SPECIFICATION NPS - 210/6 FOR SF6 INSULATED SWITCHGEAR …

Israel Electric Corporation Ltd.

Marketing Division

National Network Unit Edition No.: 6 Specification NPS-210/6

For SF6 Insulated Switchgear for System rated voltage up to 24 kV Issued date: 30/07/2018

Page No. 1 of 154

SPECIFICATION NPS - 210/6

FOR

SF6 INSULATED SWITCHGEAR FOR

SYSTEM RATED VOLTAGE UP TO 24 kV

Written by: D. Toledano

Checked by: Dr. N. Grinberg

Approved by: E. Sharabi


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Version Date Modifications

NPS-210/2 01/02/2007 Initial release

NPS-210/3 25/06/2012

1.1, 3.1, 3.1 (j), 3.1 (hh), 3.2, 4 (k), 4 (l), 5.1, 6.1, 6.4,

6.9, 6.12.3, 6.15.1, 6.15.2, 6.20, 6.21, 6.23.2, 6.24,

6.24.1, 6.24.2, 6.27, 6.29, 7.1.1, 7.1.2.2, 7.2.4, 8.2,

8.4.2, 12, 13.4.1, Appendix "A", Appendix "C",

Appendix "E", Appendix "G", Appendix "K"

NPS-210/4 15/11/2016

1.1, 4, 5, 6.3, 6.11, 6.15, 6.23.2.12, 6.24, 6.30, 7.2.5,

8.1, 8.4.1, 8.4.2, 9.3, 9.4, 9.5, Appendix "A", Appendix

"C", Appendix "G"

NPS-210/5 30/04/2017 1.1, 6.23.2.13

NPS-210/6 30/07/2018 6.17, Appendix "E", Appendix "I"


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CONTENTS:

No. Clause

1. General

2. Threshold conditions

3. Documents to be Supplied with the Proposal

4. Criteria for Technical Evaluation

5. Standards

6. Technical Requirements

7. Tests

8. Technical Services

9. Inscription

10. Packaging

11. Spare Parts

12. Quality Assurance and Quality Control

13. Delivery Approval Conditions

Appendix "A" - Summary of Data (to be filled in by the Bidder)

Appendix "B" - Know how agreement

Appendix "C" - Specification NTS-113/1 for Sockets in SF6 Insulated Switchgear for Plug-In

Control Cables Connection

Appendix "D"- Specification NPS-208/1 for High Voltage Fuses for system Rated Voltage up

to 36 KV.

Appendix "E" - Specification NPS-44/4 for Cable Clamps

Appendix "F" - List of reparations that can be performed on site (to be filled in by the Bidder)

Appendix "G" - Spare parts list (to be filled in by the Bidder)

Appendix "H" - List of sub-contractors (to be filled in by the Bidder)

Appendix "I" - Required Schedule up to Prototype Approval

Appendix "J" - Specification EPD-3 for Control Cubicles Wiring Standard Requirements

Appendix "K" - Specification Q-APP-02 (Rev. 4, 03/2011) - Procurement Quality

Requirements


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1. General

1.1 Scope of supply

Design, manufacture, testing, training, preserve and furnish (with export packing if it

is applicable) SF6 insulated switchgear for up to 24 kV distribution system installed in

indoor transformer distribution stations or in kiosk (hereinafter referred as: SF6

switchgear).

There are two categories of SF6 switchgear:

- Category A: SF6 switchgear with manual operation only;

- Category B: SF6 switchgear with Preparation for Electrical operation (preparation

for local electrical operation and remote control operation-see clause

6.23)

Available configurations – see table no. 1.

Remark: The SF6 switchgear shall be of 24 kV rated voltage but shall be suitable for

installation in 13.8 kV and 24 kV network systems.

Configuration Basic scheme I.E.Corp. Cat. No.

Category A Category B

1. Three Cable Cubicles

(3C)

53603 4223558

2. Four Cable Cubicles

(4C)

5227454 1189273

3. Five Cable Cubicles

(5C)

3377777 1189240

4.

Two cable cubicles and one

transformer cubicle

(2C+1T)

3377728 1189117

5.

Two cable cubicles and two

transformer cubicle

(2C+2T)

3319613 4223632


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Configuration Basic scheme I.E.Corp. Cat. No.

Category A Category B

6.

Three cable cubicles and one

transformer cubicle

(3C+1T)

3377751 1189133

7.

Three cable cubicles and two

transformer cubicle

(3C+2T)

53587 1189174

8.

Three cable cubicles and two

transformer cubicle with maximum

length dimension Lmax=1800 mm.

(3C+2T)

5282378 5282377

9. Simulator For Checking Electrical

Operation of SF6 Switchgear

2196145

Table No. 1 - Available configurations (basic scheme)

2. Threshold Conditions

The threshold conditions are according to the attached documents of the supply and storage

division

3. Documents and Samples to be Supplied With the Proposal

3.1 Documents

For technical evaluation, the Bidder must submit to Israel Electric Corporation,

together with his offer the following documents:

a. General outline drawings with dimensions, weight, etc.

b. General outline drawings of all accessories, bushings, including operating panel.

c. Reference list including the sold quantities of the proposed equipment, dates of

supply, identity of customers (name, telephone number,..).

A manufacturer, who does not have the required experience, shall submit the

documents of the know-how supplier. (see Appendix B).

d. List of accessories.

e. Recommended cable connectors.


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f. Recommended High-Voltage, non-deterioration, high rupturing capacity (H.R.C.),

back-up current limiting fuse links.

g. Description of the equipment (including arcing chamber, earthing system,

interlocks, operating mechanism, protection against corrosion, painting, etc.).

h. Detailed specification covering construction and materials used in all parts of the

equipment.

i. Wiring diagrams.

j. The manufacturer catalogue pages of the proposed motor and trip coil with

electrical data.

k. Type test reports as required in clause 7.1 of this specification.

l. "Sealed for life time" document proof according to clause 6.4 of this Specification.

m. Routine test program as required in clause 7.2 of this specification.

n. Design of the simulator (as required in para. 6.23.2.13).

o. Completed and filled-in Appendix "F" - List of reparations that can be performed

on site (according to clause 8.3).

p. Completed and filled-in Appendix "G" - Spare parts list including Part No. of each

spare part (according to clause 11).

q. Storage, transport and mounting instructions.

r. Operating and inspection instructions, safety rules.

s. Bidder's declaration for providing service according to clause 8 by a Service

Company in Israel.

t. Drawing of the nameplates.

u. Completed and filled-in Summary of Data - Appendix "A" of this specification.

v. Completed and filled-in Summary of Data of Specification NTS-113/1 (Appendix

"C").

w. Completed and filled-in Summary of Data of Specification NPS-44/4 (Appendix

"E")

x. A list of all the components and accessories manufactured in Israel, name of the

local manufacturer and percentage of each local manufacturer content of total

price.

y. A list of all the components and accessories manufactured in countries other than

Israel.

z. Special manufacturing procedures.


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aa. Completed and filled-in Appendix "H" - list of sub-contractors for materials,

services and parts.

bb. Quality Assurance Manual including Quality Procedures.

cc. A specific Preliminary Inspection and Test Plan for this Bid including a complete

list of potential subcontractors with reference to the supplied parts.

dd. Valid ISO Standard 9001certificate given by an authorized inspection agency. In

case of know-how agreement see Appendix "B".

ee. Know-how Agreement (see appendix "B").

ff. A written statement by the Bidder (Manufacturer) in which he undertakes to

conform to all the requirements of this specification.

gg. Test reports for post insulators (see clause 6.28)

hh. Instructions for draining and refilling SF6 gas and the necessary equipment for

draining and refilling SF6 gas at site and at the workshop (see clause 6.29).

Remark: All the above mentioned documents shall be in English or in Hebrew.

3.2 Sample

a. The Bidder shall submit, to the Israel Electric Corp., at its own expense one

sample similar (*) or identical to the proposed SF6 switchgear type. The sample

shall be submitted to the Israel Electric Corp. within four (4) weeks beginning at

the technical proposal submission day. The sample shall include at least one cable

cubicle and one trafo cubicle.

(*) Similar switchgear is an identical SF6 switchgear type but without motordrive

system and which requires suitability for operation and installation as described

in this Specification.

If the proposed SF6 switchgear was supplied to I.E.Corp. in the last three (3) years

(identical switchgear of category "B", without any changes), than the Proposer

may ask for exemption from sample submission. A written request (which shall

indicate the type and the P/N of the proposed SF6 switchgear) shall be submitted

to the Israel Electric Corp. until the technical proposal submission day. The Israel

Electric Corp. will reply to the above request within one (1) week beginning at the

technical proposal submission day.

b. The samples shall contain identification mark of the manufacturer.

c. Sample delivered by Bidders who are not successfully awarded the contract/order

will be put at the disposal of the Bidder.


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d. Sample delivered by the successful Bidders will be put at the disposal of the

Bidder after the completion of the contract.

e. Sample not claimed within two months after the award, will be disposed of by the

I.E.Corp.

4. Criteria for Technical Evaluation (for Bidders which have fulfilled all

tender requirements)

For selection of the offer, which provides the maximum benefit to the Purchaser, the

following benefits will be taken into account in the techno-economic comparison of Bidders

offers:

a) Guarantee against gas leakage for more than 15 years.

b) Rated current (at the specified service conditions) greater than 400 Amps. The rated

current shall be proven by a type tests report.

c) The arc chamber of the on-load switch is a hermetically sealed chamber, filled with SF6

gas. In order to prove this benefit the Bidder shall present:

A sample of the on-load switch and arc chamber or detailed drawings, type test

report for gas tightness of the arc chamber according to IEC Publication 62271-200.

Type test report for over-pressure withstand of the arc-chamber (according to IEC

Publication 62271-200, clause 6.103).

d) Breaking capacity at the rated current for more than 100 operating cycles. In order to

prove this benefit the Bidder shall present a type test report which shall state:

The breaking current at the specified service conditions (see clause 6.1 of this

specification).

The test voltage.

The circuit power factor.

The test circuit.

The transient recovery voltage parameters.

The number of close-open operating cycles.

e) Mechanical endurance of the switch disconnector:

For switchgear of Category A

Mechanical endurance of the switch disconnector (greater than 1000 open-close

operation cycles).


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For switchgear of Category B

Mechanical endurance of the switch disconnector (greater than 2000 open-close

operation cycles with motor drive).

The Bidder shall present a type test report, which shall state the number of operation

cycles and the conditions of the test.

f) Mechanical endurance of the earthing switch greater than 1000 open-close operation

cycles.

The Bidder shall present a type test report, which shall state the number of operation

cycles and the conditions of the test and the type of motor drive.

g) Installation conditions

Installation on site, cables access and installation of surge arrester shall be taken into

consideration.

h) Operating

The evaluation will consider:

The operation method of each switch.

Fuse replacement.

i) Type Tests

All test duties (including test duty 5 of the switch disconnector and earthing switch)

performed on the same switch (see clause 7.1 of this specification).

j) Short time withstand current

Short time withstand current greater than 16 kA/1 sec. The short time withstand current

shall be proven by a type tests report.

Short time withstand duration greater than 1 second. The duration of the short time

withstand current shall be proven by a type tests report.

k) The equipment can be refilled/drained with SF6 gas on site and/or at the workshop by

I.E.Corp.'s workshop trained staff.

5. Standards

5.1 Unless otherwise stated, the SF6 switchgear shall be designed, manufactured and

tested in accordance with the requirements of the latest published recommendation of

the following standards:

IEC Publication 60376 Specification and Acceptance of New Sulfur Hexafluoride

IEC Publication 60660

Insulators - Tests on Indoor Post Insulators Organic

Material for Systems With Nominal Voltages Greater Than

1 kV up to but not Including 300 kV


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IEC Publication 61243-5 Live Working - Voltage Detectors - Part 5: Voltage

Detecting Systems (VDS)

IEC Publication 62271-1 Common Specifications for High-Voltage Switchgear and

Controlgear Standards

IEC Publication 62271-102 Alternating Current Disconnectors and Earthing Switches

IEC Publication 62271-103 High-Voltage Switches - Part 103: Switches for rated

voltages above 1 kV up to and including 52 kV

IEC Publication 62271-105 Alternating Current Switch-Fuse Combinations

IEC Publication 62271-200

High-voltage switchgear and controlgear – Part 200:

AC metal-enclosed switchgear and controlgear for rated

voltages above 1 kV and up to and including 52 kV

IEC Publication 62271-

304

Additional Requirements for Enclosed Switchgear and

Controlgear from 1 kV to 72.5 kV to be Used in Severe

Climatic Conditions

DIN 17162 Flat Steel Products; Hot-Dip Zinc Coated Strip

DIN 43625 High-Voltage Fuses; Rated Voltages 3,6 up to 36 kV; Fuse-

Links

EN 50181

Plug-in type bushings above 1 kV up to 52 kV and from

250 A to 2,50 kA for equipment other than liquid filled

transformers

5.2 Standards referred to this Specification and in Supplements to this Specification are an

integral part of this specification unless otherwise provided. All such Standards

referred to the most current issue, including all amendments, supplements etc., as of

the date of the Contract, unless otherwise indicated.

5.3 The switchgear, including all appurtenances and accessories, shall be fabricated,

inspected, tested and preserved in compliance with the Standards as, specified herein,

unless otherwise indicated.

In the event that no reference to Standard is made herein, all components and parts

shall be fabricated, inspected, tested and preserved, so as to insure their fitness for use

and for purpose they are designed.

5.4 Bidder may propose Standards as alternative for or additions to those specified herein.

A copy of each proposed Standard, if any, shall be included with the proposal. The

Israel Electric Corp. reserves the right to accept or to reject the proposed alternative

Standards.

5.5 If the present Specification contains requirements which differ from those of the a.m.

Standards, the requirements of this Specification shall take precedence.


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6. Technical Requirements

6.1 Service Conditions

The SF6 insulated switchgear shall be suitable for indoor mounting conditions with

natural ventilation.

The service conditions shall be in general according to clause 2 of IEC Publication

62271-1 with the following additions and changes:

Severe atmospheric and industrial air pollution, coal dust, sea salt.

High atmospheric humidity as experienced in coastal areas.

Dust laden atmospheric as experienced in desert areas.

Annual variation in air temperature : -10C to +55C

Annual mean air temperature : +25C

Maximum relative humidity : 90%

Average relative humidity : 70%

Average ambient temperature measured over a period of 24 hours does not exceed:

+35C

Maximum difference of ambient temperature from day to night: +25C

Altitude: -400m to +1000m.

Remark: A small number of the SF6 switchgear will be installed at altitudes

greater than 1000 m above sea level and at altitudes under sea level. The

Bidder shall specify the required operations to be performed in order to

install the SF6 switchgear in the above altitudes.

6.2 Medium Voltage System Data

The SF6 switchgear will be installed on I.E.Corp. Medium Voltage systems with the

following system data:


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Rated system voltage [kV] 12.6 22

The maximum operating voltage [kV] 13.8 24

Rated frequency [Hz] 50 50

Network type 3 phase; 3 wire 3 phase; 3 wire

System of neutral grounding Solidly grounded

or via resistance

Grounded via Peterson coil

(being occasionally solidly

grounded for short periods

of time) or Solidly grounded

or Grounded via a

Grounding Transformer

Earth fault factor 06.13 3

maximum three-phase symmetrical short-

circuit current [kA r.m.s] 16 12.5

The maximum three-phase symmetrical short-

circuit [MVA] 350 500

Maximum duration of the earth fault [sec.] 10 7200

Insulation level of equipment:

- Basic Insulation Level - BIL [1.2/50sec]

[kV peak]

95 125

- One-minute withstand voltage (50 Hz) [kV r.m.s] 38 50

6.3 Electrical Requirements for the SF6 switchgear :

Rated voltage: (kV) 24

Rated frequency (Hz) 50

Minimum rated normal current (Ir): (A) 400

Minimum rated short-time withstand current Ik, not less than (kA r.m.s) 16

Rated short-time peak withstand current (Ip=2.5x Ik), not less than (kA peak) kI5.2

Rated short-circuit making current (Ima=Ip), not less than (kA peak) 40

Rated mainly active load breaking current (Iload), not less than (A r.m.s) 400

Rated closed-loop breaking current (Iloop), not less than (A r.m.s) 400

Rated no-load transformer breaking current, not less than (A r.m.s) 4*

Rated cable-charging breaking current (Icc), not less than (A r.m.s) 16

Rated line-charging breaking current (Ilc), not less than (A r.m.s) 1.5

Rated earth fault breaking current (Ief1=3x Icc), not less than (A r.m.s) 48

Rated cable and line charging breaking current under earth fault conditions

(Ief2=1.73x Icc), not less than (A r.m.s) 27.7

Rated insulation level:

a. Rated Impulse Withstand Voltage (BIL):

- to earth, between phases and across the open switching device, not less

than (kV) 125

- across the isolating distance, not less than (kV) 145


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b. Rated one-minute, 50 Hz power-frequency withstand voltage:

- to earth, between poles, and across the open switching device, not less

than (kV) 50

- across the isolating distance, not less than (kV) 60

No. of Breaking and Making Operations:

- No. of operations in mainly active load (switch class E3), not less than

(CO cycles) 100

- No. of making operations at short-circuit making current (Ima) of the

switch-disconnector, not less than (C cycles) 5

- No. of making operations at short-circuit making current (Ima) of the

earthing switch (switch class E2) , not less than (C cycles) 5

Mechanical Endurance: (CO cycles)

- Switch-disconnector manual operated (class M1), not less than 1000

- Switch-disconnector operated with motor drive, not less than 2000

- Earthing switch (M0) 1000

Degree of protection of the control panel IP 3X

Internal fault withstand ,inside the tank and inside cable compartment, for 1

sec., not less than (kA) 16

* - test not required

6.4 The SF6 switchgear shall be a "sealed pressure system" as per. IEC Publication

62271-1, para. 5.15.3. The gas tightness tests shall be performed as per IEC 62271-1,

para. 6.8.3.

The Bidder shall submit together with his offer a document to prove that offered SF6

switchgear is sealed for lifetime: 20 years or 30 years.

6.5 All the electrical parts, including the arcing chamber and the main contacts of the

switchgear, as well as the connection busbars, earthing switches, shall be mounted in a

metal enclosure, hermetically sealed and filled with SF6 gas.

The equipment shall be guaranteed against gas leakage for at least 15 years.

6.6 The SF6 insulated switchgear shall be maintenance-free.

6.7 Due to the severe service conditions (as per. clause 6.1) to which the equipment may

be subjected during its service life, the following requirements for its protection form

an integral part of this specification:

6.7.1 Environmental conditions shall not cause corrosion or deterioration of the

gasket and/or mating material of gasket joints.


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6.7.2 All flat steel components shall be thoroughly galvanized, cleaned, primed and

painted. The flat steel components shall be according to DIN 17162 Standard

and the minimum thickness of the zinc coating shall be not less than 19

microns.

6.7.3 Components such as springs, and other for which a tight dimensional tolerance

is required shall be made of stainless steel. Prior to being placed into service,

all stainless steel components shall be cleaned and passivated.

6.7.4 All aluminum components shall be fabricated from grades of aluminum, which

show resistance to service conditions: e.g. Al-Mg base alloys. After fabrication,

all aluminum components shall be anodized.

6.7.5 All copper or copper alloy components installed outside the SF6 tank shall be

electrolytically tinned.

6.7.6 All SF6 switchgear components shall successfully withstand in operation the

service conditions as defined under clause 6.1.

6.8 The switchgear shall be of a self-supporting construction type.

6.9 Switch disconnectors and fuse-switch combination

6.9.1 Each cable cubicle shall be provided with switch-disconnector, class E3,

according to IEC Publication 62271-103.

6.9.2 Each trafo cubicle shall be provided with a fuse switch combination according

to IEC Publication 62271-105 while the fuses will be installed in fuse canisters

(see also clause 6.21 in this Specification).

6.10 Earthing Switches

6.10.1 Each cable cubicle shall be provided with earthing switch, class E2, according

to IEC Publication 62271-102 (see paragraphs 3.4.105.3 and 6.101).

6.10.2 Each trafo cubicle shall have two earthing possibilities - one below the fuses

and one above the fuses.

6.11 Earthing Busbar

The earthing of the enclosure shall be performed according to IEC publication

62271-200, Paragraph 5.3.2.

A properly sized earthing busbar made of copper shall run along the whole length of

the switchgear.


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On each end of the earthing busbar, terminals suitable for cable connections to the

general earthing system shall be provided.

Four M8×35 mm screws, nuts and washers suitable for cables screen and surge

arresters earthing, shall be provided on the earthing busbar for each cubicle. The screw

shall be mounted to the busbar by appropriate threads so they do not fall during

installation.

6.12 Interlocks:

6.12.1 The interlocks shall be according to IEC 62271-200 para. 5.11.

6.12.2 Additional interlock between earthing switch and cable connection cover is

required and as follows:

a) The operation of the earthing switch shall be blocked if the cable

connection cover or fuse canister is open.

b) It shall be impossible to open the cable connection cover or fuse chamber

cover unless the earthing switch is in earth position (closed).

c) For cable testing by authorized staff, it shall be possible to neutralize the

above "a" interlock after opening the cable connection cover.

6.12.3 A mechanical interlock between the switch disconnector and earthing switch

shall be implemented in switchgear from Category B. This interlock shall

prevent the pass of the switch disconnector to the earthing position when the

switch-disconnector operated by the motor drive (even in case of failure in the

motor drive, auxiliary switches, control unit etc.).

The switch disconnector shall not pass to the "earthing" position from the

"open" or from the "close" positions as long as the operating voltage is applied

directly to the motor.

6.13 Locking Device

Each switch-disconnector and earthing switch operating mechanism shall be

provided with a locking device via padlock with a 11 mm diameter hook (see sub

clause 6.23.2.5).

6.14 Operating Position of the Switch-Disconnector and Earthing Switch

The operating position of the switch-disconnector and earthing switch shall be

indicated according to IEC 62271-200 Paragraph 5.104 and IEC 62271-102 Paragraph

5.104.


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Remark: If the positions of the switch-disconnector and earthing switch are

indicated by a position indicating device (mechanical indications with

graphical symbols as per IEC 60073), the following background colors

shall be used:

a) Switch disconnector in open position - white background.

b) Switch disconnector in closed position - red background.

c) Earthing switch in open position - white background.

d) Earthing switch in closed position - yellow

background.

The position indicating kinematic chain shall be designed according to IEC

Publication IEC 62271-102.

6.15 Cable Connections:

6.15.1 Cable cubicle connections :

Cable connections shall be M16 threaded bushing 630 Amp according to EN

50181 Type "C" suitable for T-connector.

The I.E.Corp. intended to use the following types of T-connectors

equipped with surge arresters:

Manufacturer Part No. Type

NKT CB 24-630 + CSA 24-5 Screened

SUEDKABLE SEHDT 23.1 + MUT 23 Screened

TYCO RSTI-58xx+RSTI-CC-

58SAxx05 Screened

EUROMOLD M430TB + 300SA Screened

The above-mentioned T-connectors equipped with surge arresters shall be

suitable for installation in the cable cubicles of the proposed SF6 insulated

switchgear. To approve the suitability of the above-mentioned T-connectors

equipped with surge arresters to the cable compartment, detailed drawings

with dimensions of the cable compartment and/or type tests reports shall be

attached to the offer.

The Proposer shall suggest the use of other T-connectors equipped with

surge arresters in addition to those mentioned above.

6.15.2 Trafo cubicle connections

Trafo cubicle connection shall be 250 Amp bushing according to EN 50181

Type "A" suitable for straight connector (e.g.: K152 SRH Elastimold, RSSS

5225 Tyco).


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The Bidder shall submit to I.E.Corp. detailed drawings of the bushings and

its recommendation for cable connections which are suitable for installation.

a. The straight connectors shall shall be suitable for the following cables:

12/20 kV, Al conductor, XLPE insulated cable 1 x 50mm2

18/30 kV, Cu conductor, XLPE insulated cable 1 x 50mm2

6.15.3 For Each type of the recommended cable connectors, the Bidder shall

present to the I.E.Corp., documents approved by the manufacturer of the

cable connectors which confirms that the subject connectors are suitable for

installation in the proposed SF6 switchgear.

6.16 Installation of Surge Arresters

Each cable cubicle shall permit the installation of the surge arrester via a T-connector

(see clause 6.15.1).

A support for the surge arrester shall be provided for each cable cubicle. Each

support shall be connected to the earting busbar by a conductor. The cross section of

the conductor shall be at least 16mm2.

The Bidder shall submit detailed drawings for the surge arrester installation.

6.17 Cable Clamps

To fix the incoming cables, each cable cubicle and trafo cubical shall be provided

with 3 cable clamps made of an insulating material.

The cable clamps shall be supplied together with fastening screws of 100 mm long.

The cable clamps shall be according to specification NPS-44/4 attached in Appendix

"E" and as follows:

- For cable cubicle: 36-56 (mm) cable clamps (refer to I.E.Corp. catalogue No. 63081)

- For Trafo cubicle: 24-38 (mm) cable clamps (refer to I.E.Corp. catalogue No.

5282518)

6.18 Over-Pressure Relief Device

The switchgear shall be provided with an over-pressure relief device to release gas

under pressure during an internal short circuit. The over-pressure relief device shall

be installed in such location so that the gas will not be emitted in the proximity of the

operator.


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6.19 Voltage Detecting System

6.19.1 Each cubicle of the SF6 switchgear shall be provided with a separable

detecting system according to IEC 61243-5 type HR system.

6.19.2 Voltage indicators

Each cubicle (cable cubicle and trafo cubicle) shall be provided with

capacitive voltage indicators for each phase in accordance with IEC 61243-5.

The Bidder shall propose an adequate testing device for whole V.D.S - see

clause 4.9.14 in IEC 61243-5. The I.E.Corp. reserves the right to purchase the

testing device.

6.19.3 Since the switchgear shall be used in both 12.6 kV and 22kV network

systems, the excitation of the indication "voltage present" shall appear when

the actual line to earth voltage is in the range of 2.2-5.7kV (between 10%-

45% of the nominal voltage) and shall not appear when the actual line to

earth voltage is less than 2.2kV (less than 10% of the nominal voltage).

6.20 Pressure Gas (Insulation Level) Indicator

6.20.1 The switchgear shall be provided with a pressure gas gauge or gas insulation

level meter (for visual indication).

6.20.2 The visual indication shall be as follows:

Red for low pressure/low insulation level.

Green for normal pressure/normal insulation level.

6.20.3 Equipment from category B shall be equipped (in addition to the above

mentioned visual indication) with pressure gas gauge (or a pressure switch)

with one (1) change-over potential free contacts for SF6 low/normal

pressure (for low/normal insulation level) alarm indication.

The above mentioned contact shall be suitable for use with 24V DC Input

Card of Programmable Logic Controller (PLC).

The potential free contact shall be wired to S-GEN socket according

to Specification NTS-113/1 (see Appendix “C”).

6.21 Fuse Compartment

a. The trafo units (cubicle) shall be provided with fuse tripping devices via striker

pin.

b. The fuse compartment shall be suitable for HRC fuses conforming to DIN

regulation No. 43625 and IEC 60282-1 for 12.6 kV and 22 kV. The technical


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requirements for the M.V. fuses shall be according to I.E.Corp. Specification

NPS-208/1 attached in appendix "D".

6.22 SF6 switchgear configuration

If it is necessary to couple two or more switchgear units in order to receive the

required configurations (see clause 1.1 in this Specification), the coupling system

shall be made by T-connectors.

The T-connectors shall be a 630 Amp type and closed by end caps. The whole

coupling system (cables, T-connectors, covers, etc) shall be supplied together with

the units.

The three connectors of the cable cubicles shall be mounted horizontally to permit

easy phase rotation of the cables.

Alternatives: Other coupling systems may be taken into consideration. With respect

to these alternatives, the Israel Electric Corp. reserves the prerogative

to decide which offer is most suitable for its needs.

6.23 Operation

The SF6 switchgear shall enable manual operation, local electrical operation and

remote control operation.

6.23.1 Manual Operation

The operating handle for the switch-disconnector shall be different from the

operating handle for earthing-switch. The operating handle of the switch-

disconnector shall be signed with black color and the operating handle of the

earthing switch shall be signed with a red color.

Remark:

In case of same operation handle, different operating methods shall be

provided. The above operating methods will be checked from the aspect of

I.E.Corp. safety rules.

The I.E.Corp. reserves the right, at its sole discretion, to reject offers which

don't comply with the safety rules of I.E.Corp.

6.23.2 Preparation for Electrical Operation (Applicable for equipment of

Category B only)


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Each cable cubicle shall include a motor-drive system (MDS) for open and

close operations of the switch-disconnector performed by local electrical

control and/or by remote control operation.

Each transformer cubicle shall include a trip coil for trip operation of the

switch-disconnector of the transformer cubicle by remote control.

Requirements for Electrical Operation:

6.23.2.1 The supply voltage for the motor drives and trip coils shall be

24 VDC.

6.23.2.2 The Motor Drive System shall be with Bi Directional Motor only.

The Motor Drive System with Unidirectional Motor will be

rejected.

6.23.2.3 In the front of each cable cubicle the following items shall be

installed:

a. OPEN and CLOSE push buttons of the switch-disconnector

protected against accidental contact.

b. Selector switch with two positions:

- "LOCAL-ELECTRICAL OPERATION"

- "REMOTE CONTROL OPERATION"

c. Motor Miniature Circuit Breaker with an auxiliary contact.

d. Indicating lamp "MDS Disabled".

Additionally:

A lamp test push button (for checking all the indicating lamps of

the SF6 switchgear) shall be installed in the front of the left

cubicle.

Remark: The color of the indicating lamps shall be according to

illustration No. 1.

6.23.2.4 In the front of each transformer cubicle, the following items shall

be installed:

a. Blown fuse indicating lamp.

b. Miniature circuit breaker for Trip Coil protection

c. Overheated transformer indicating lamp.


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Remark: The color of the indicating lamps shall be according to

illustration No. 1.

6.23.2.5 The MDS shall enable emergency manual operation even when

cable cubicle is "under voltage". The emergency manual

operation is needed in case of MDS malfunction. When the

emergency manual operation handle is used, the insertion of

handle shall disable the operation of MDS in cable cubicle.

Remark: The emergency manual operation, in case of using

rotary mechanism, shall be completed within 30

rotations maximum (max. 30 sec.).

6.23.2.6 In each position of the switch-disconnector (CLOSE or OPEN)

the insertion of Israel Electric Corp. padlock shall prevent the

MDS operation in cable cubicle.

6.23.2.7 Each cubicle shall include potential free contacts for the following

indications to be connected to Integrated Control Unit:

A. For each cable cubicle:

A.1 Selector switch in "Local-Electrical Operation" position.

A.2 Selector switch in "Remote Control Operation" position.

A.3 Switch-disconnector CLOSED.

A.4 Switch-disconnector OPEN.

A.5 Earthing switch/disconnector EARTHED.

A.6 Earthing switch/disconnector OPEN.

A.7 Earthing disconnector in Neutral position (in case of

three position earthing disconnector).

A.8 MDS disabled by emergency manual operation handle

insertion or by I.E.Corp. padlock.

A.9 Motor circuit-breaker in "off" position.

B. For each trafo cubicle:

B.1 Switch-disconnector CLOSED.

B.2 Switch-disconnector OPEN.

B.3 Earthing switch EARTHED.

B.4 Earthing switch OPEN.

B.5 Transformer switched-off by fuse striker pin (blown

fuse).

B.6 Trip coil circuit breaker in “off” position.


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(*) Remarks:

The indications A.3A.7 and B.1B.4 shall be received

from auxiliary switches, which shall be located on the

main shaft of the Switch-disconnector and earthing switch.

When the Switch-Disconnector (Earthing Switch) is in

"open" position, it means that the "open" indication is

received from activated (pressed) separate auxiliary

switch. When the Switch-Disconnector (Earthing Switch)

is in "close" ("earthed") position, it means that the "close"

indication is received from activated (pressed) separate

auxiliary switch.

Each position indication of the switch-disconnector and

earthing switch shall be received from a separate auxiliary

switch with Normally Open contact in actuated position.

The auxiliary contacts of the motor circuit breakers (CB)

and trip coils, of each switchgear, shall be connected in

parallel and only one indication shall be transmitted

remotely.

6.23.2.8 Requirements for Motor Drive:

Rated voltage: 24V DC

Maximum continuous current: 8Amp

Maximum inrush current: 17.5 Amp for maximum 2 sec.

The duration of a Close or Open operation by the motor

shall not exceed 20 Seconds.

6.23.2.9 Requirement for Trip Coil:

Rated voltage: 24V DC

Maximum operating current 9 Amp for maximum 60 msec.

6.23.2.10 Sockets For Plug-In Control Cables Connection

The interface sockets connection shall be in accordance with the

attached Specification NTS-113/1 (Appendix "C" of this

Specification).

The wiring of the auxiliary contacts, motors, push-buttons, diodes

for lamp test push-button, etc., shall be also in accordance with

Specification NTS-113/1.


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6.23.2.11 Operating Panel:

The operating panel for each cubicle shall be in accordance with

the attached illustration No. 1.

The lamps type shall be: MULTILED 24/28V DC

The push button shall be of flush type and shall prevent

accidental operation.

The nameplate of the operation panel shall be written in Hebrew

according to illustration No. 1a. Translation of the names into

English is given in illustration No. 1.

6.23.2.12 The insulation of copper conductors shall be of halogen free

type.

The internal wiring for controlling the switchgear shall be

according to the requirements of I.E.Corp. Specification No.

EPD-3 - "Control Cubicles Wiring Standard Requirements"

(Appendix "J" of this Specification), with the following changes:

a. The one minute withstand voltage (clause 7a of EPD-3

Specification) shall be as follows:

- For type test: test voltage shall be 2 kV with duration of 1

min.

- For routine test: test voltage shall be 1 kV with duration of 1

sec.

b. The Bidder may propose other types of terminal blocks from

those specified in clause 3.1g of EPD-3 Specification

(except the sockets of the plug-in control cables which shall

be as described in Specification NTS-113/1 - Appendix

"C"). I.E.Corp. shall approve the type of the proposed

terminal blocks.


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Illustration No. 1: Nameplates of the operating panel (with translation into English)


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Illustration No. 1a: Nameplates of the operating panel


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6.23.2.13 Simulator

The Contractor shall provide a simulator in order to check the

correct electrical operation and indications of each cable and

trafo cubicle during routine tests of the equipment in the

Manufacturer's facilities.

The simulator and the test procedure shall be approved by the

I.E.Corp. during the prototype approval.

The I.E.Corp. reserves the right, at its sole discretion, to order

such simulators for checking of the equipment, before putting

into service.

The simulators shall be according to the following requirements:

a. The simulator shall be suitable for external power supply of

230 VAC.

b. In order to ensure proper operation of the simulator during

test procedure and in case of lack of 230 VAC power

supply, the simulator shall include 7 A/h backup batteries.

c. The life expectancy of the backup batteries shall be at least

4 years (at ambient temperature of 25C).

d. The control cables to be connected during the test procedure

between the switchgear and the simulator shall be at least

5m long.

e. In order to ensure safe use and storage, the control cables

shall be supplied separately within a carry case (bag).

f. The operation panel layout shall be as detailed in illustration

No. 2 of this specification. The textual labels shall be of

"silkscreen" type.

g. Each supplied simulator shall include a nameplate with the

following information: manufacturer's name, phone and fax

number of service company in Israel, part (P/N), serial No.

and date of manufacture.


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Illustration No. 2: layout of simulator's operation panel


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h. The maximum outside dimensions and weight of the

simulator shall be:

length - 550 mm

width - 350 mm

height - 250 mm

weight - 20 kg

i. The mechanical interlocks between the on-load switch and

earthing switch and between earthing switch and cables

compartment cover shall be electrically implemented in the

simulator.

j. The connectors between the simulator and the control cables

shall withstand numerous (during its lifetime) operations

(connection and disconnection).

k. If the Bidder intends to use military standard connectors

then the connectors shall be of metal type (a reinforced type)

and shall be approved by I.E.Corp.

l. The lamps mounted on the panel shall be of LED or

MULTILED type.

6.24 Installation Requirements

6.24.1 The SF6 switchgear (both categories A and B) shall be suitable for

installation in the various types of I.E.Corp. standard transformer stations.

During the technical stage of the tender, the suitability of the proposed

equipment to the installation sites will be checked. The inspection will

include the suitability of equipment dimensions, placing the equipment on the

standard floor openings, equipment transportation in the installation site etc.

The I.E.Corp. reserve the right to determine if the proposed switchgear

suitable for installation in its standard transformer stations.

6.24.2 Mounting Frame Base

The base of each SF6 switchgear shall permit moving of the equipment in the

transformer station to the installation place using steel pipes.

The switchgear will be installed on a frame base (which is not in the scope of

supply) as shown in illustration no. 3.

The diameter of the fixing points holes shall be 14 mm (see Illustration no. 3).


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Illustration no. 3: Mounting Sketch


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6.24.3 Installation in Kiosk

The SF6 switchgear types 2C+1T, 3C, 3C+1T and 4C (both categories A and

B) shall be suitable for installation in I.E.Corp. standard transformer stations

kiosks. For information see Illustrations No. 4 and 5.

The I.E.Corp. reserve the right to determine if the proposed switchgear

suitable for installation in its standard Kiosks.

Illustration no. 4: Installation of SF6 switchgear inside a polyester Kiosk


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Illustration no. 5: Installation of SF6 switchgear inside a concrete prefabricated Kiosk


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6.25 The operating handles and other operating accessories (if they are necessary) shall be

hanged on the switchgear by appropriate clip.

6.26 Flammability

Materials and the parts shall be chosen and designed to retard the propagation of any

flame resulting from accidental overheating in the switchgear.

6.27 Mechanical impact withstand

The enclosure of the SF6 switchgear shall be of sufficient mechanical strength: at

least 2J applied to the weakest point of the enclosure (see IEC Publication 62271-1,

clauses 5.13.3 and 6.7.2).

6.28 Post Insulators

If the SF6 switchgear contains post insulators, than they shall comply with IEC

60660 Standard.

The manufacturer shall submit test reports according to IEC 60660 Standard or

declaration that the installed post insulators complies with IEC 60660 Standard.

6.29 Draining and Refilling SF6 gas

The SF6 switchgear shall be drained and/or refilled from/with SF6 gas during

maintenance activities (if the equipment permits it) or in case of "end of life" of the

equipment before putting it at the disposal.

It is to be noted that releasing SF6 gas to the atmosphere is not permitted.

The Bidder shall state the activities and equipment required for draining and refilling

the SF6 gas from the switchgear (including instructions and description of the

required equipment such as: vacuum pumps, accessories, special tools, SF6

containers, etc.) at site or at the workshop.

6.30 Lifting eyes

The diameter of lifting opening (of the lifting eyes) shall be minimum 40 mm.

7. Tests

7.1 Type Tests

The type tests shall be performed in accordance with the latest Publications of IEC

62271-200 (clause 6), IEC 62271-105 (clause 6), IEC 62271-102 and all relevant

amendments.


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A set of type tests reports, for evaluation during the technical stage of the tender,

shall be attached to Bidder's technical proposal. These type tests reports shall be of

the proposed equipment (identical equipment or "similar" as defined in clause 3.2)

but may be performed in a different procedure than described in this Specification. It

is to be noted that the type tests, which will be performed during prototype approval,

shall be performed as described in the following clauses.

7.1.1 The type tests of the switchgear shall be grouped in the following 5 (five)

groups and shall be carried out on 5 (five) switchgear (one per group) or on 6

(six) switchgear (#). Additional switches/switchgear may be in use according

to the remarks in the following table.

The types of the switchgear (see available configurations in clause 1.1 of this

Specification), which will be tested during prototype approval, shall be from

the types, which specified in the contract and will be defined by I.E.Corp.

Each test shall be performed with the values declared by the manufacturer in

the technical stage of the tender.

Group Tests Standard Minimum

requirements

Group 1

(1)

a. Making and breaking tests on one switch-disconnector of the

SF6 switchgear (1)

IEC 62271-103

Class E3

1. 100 % Mainly active load - (TDload2) 400A, 100 C-O

2. 5% Mainly active load - (TD load1) 20A, 20 C-O

3. Closed-loop breaking, current - (TDloop) 400A, 20 C-O

4. Cable charging breaking current [Icc] - (TDcc2) 16A, 10 C-O

5. (1040)% cable charging breaking current - (TD cc1) (1.66.4)A, 10 C-O

6. Line charging breaking current [Ilc] - (TD lc) 1.5A, 10 C-O

7. Earth fault breaking current [3Icc2] - (TDef1) 48A, 10 C-O

8. Cable charging breaking current under earth fault conditions

[1.73Icc2] - (TD ef2) 27.7A, 10 C-O

9. Short circuit making current [Ima] - (TDma) (#) 16 kA r.m.s

5C (Making)

b. Making and breaking tests on one fuse-switch combination of

the SF6 switchgear (5)

IEC 62271-105

1. Making and breaking tests at the rated short circuit current -

(TDIsc)

IEC 62271-105

I1=16 kA

(prospective current)

2. Making and breaking tests at the maximum breaking I2t -

(TDIWmax)

Test with fuses

12kV/80A (2)

3. Breaking tests at the rated transfer current - (TDItransfer) 765 A

c. Tests to prove the short-circuit making performance of

earthing switches (5)

IEC 62271-102

Class E2

16 kA r.m.s

5C (Making)

Rated short time withstand current and peak withstand current IEC 62271-103 16 kA r.m.s, 1 sec

40 kA peak


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requirements

Group 2

Dielectric withstand tests

Power frequency withstand voltage test:

IEC 62271-1

Open

Close

60 kV

50 kV

Impulse withstand voltage test:

Open

Close

145 kV

125 kV

Partial discharge level test IEC 62271-200 maximum 50 pC

Test to prove clear indication of the VDS.

IEC 61243-5

Excitation of the

indication between

2.2-5.7V

Dielectric withstand tests of auxiliary and control circuits IEC 62271-200

Power frequency withstand voltage test: 2 kV/1 min

Impulse withstand voltage test 5 kV

Group 3

Mechanical Endurance of the switch disconnector (class M1) (4)

IEC 62271-103 1000 C-O

Mechanical Endurance of the earthing switch (switch class M0)(4)

IEC 62271-102 1000 C-O

Tightness (Gas leakage) test IEC 62271-200

Verification of the protection:

IEC 62271-200

Verification of the IP coding IP3X for control

panels

Mechanical impact test 2J

Pressure withstand test for gas filled compartments

Tests to prove the satisfactory mechanical operation of the

included switching devices and removable parts.

IEC 62271-200

IEC 62271-102

IEC 62271-105

Artificial pollution tests (3)

IEC 62271-304

Group 4

Temperature rise test IEC 62271-200

Measurement of resistance of the main circuit

Verify the proper function of the position indicators devices (4)

IEC 62271-102

Group 5

(4)

Test for arcing due to internal fault inside cable compartment (4)

- Test duration and current

- Criterion # 1, 2, 3, 4, 5 (accessibility type A) as in

- IEC 62271-200 Std shall be fulfilled.

IEC 62271-200 16 kA r.m.s/1 Sec.

IAC FL

Test for arcing due to internal fault inside the tank (4)

Test duration and current

Criterion # 1, 2, 3, 4, 5 (accessibility type A) as in

IEC 62271-200 Std shall be fulfilled.

IEC 62271-200 16 kA r.m.s/1 Sec.

IAC FL

High-speed video camera cassette must be submitted together with type test reports evaluation. Type tests

reports without high speed video camera cassette will be rejected.

(#) This test duty may be performed on another switch which has been subjected to at least 10 make-break

operating cycles at 100% mainly active load as required for TDload. In this case, the condition (1)

of checking

after breaking tests as well as after the short circuit making test is required


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requirements (1)

Condition of switch after breaking tests and short-circuit making tests shall be verified by the following tests

(see IEC 62271-103, subclause 6.101.9):

- Visual inspection

- 5 (five) no-load operations

- Two close-open operations at 100% mainly active load

- Power frequency withstand voltage test

- Resistance measurement of the main circuit (according to IEC 62271-1, subclause 6.4.1).

(2)

The Israel Electric Corp. reserves the right to change the values during the prototype approval stage (but

before performing the type tests) according to the data of the H.V. fuses that will be used by I.E.Corp.

(3)

The Bidder shall attach to his offer evidence that the switchgear withstand in the artificial pollution, when the

attitude shall be concerned to the corrosion of the wrap, mechanisms, interlocks, etc.

(4)

Those tests may be performed on another Switchgear other then those specified in the above 4 groups. The

Bidder may ask to change the grouping of the tests marked with (4)

during the technical stage of the tender. (5)

Those tests may be performed on other Switches but in the same switchgear. The Bidder may ask to change

the grouping of the tests marked with (5)

during the technical stage of the tender.

A prior written I.E.Corp. approval during the technical stage of the tender is required.

In any case, The Mechanical endurance test, tightness test and verification of the protection must be

performed on the same switchgear

7.1.2 In addition to the above mentioned type tests, the following type tests shall be

performed:

7.1.2.1 SF6 gas, filled into the switchgear, complies with the requirements

of IEC Publication 60376 Standard.

7.1.2.2 Mechanical endurance test - (Applicable for equipment of

Category B only)

Mechanical endurance test for at least 2000 open-close operation

cycles of the switch-disconnector with motor drive.

Remark: I.E.Corp. has the right to operate the switch-disconnector

during the test with the Control Unit (CU) intended to

operate the switchgear during its service time in the MV

network.

All or part of the operations of the switch-disconnector will

be performed by the power supply/charger installed in the

CU and some of the operations will be performed by back-

up batteries (which are also installed in the CU).


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The CU for the test will be supplied by the I.E.Corp. The

test shall be performed in Israel at the location of the

production line or at the location of the Service Company in

Israel. The transportation of the CU will be born by

I.E.Corp.

One of the conditions of the test success is that no damage

to the motor circuits, power supply/charger circuits and

back-up batteries will occur during the test as a result of the

operation of the test object.

In addition, during the test the following abnormal

operations shall be prevented by the SF6 switchgear:

Motor operated Earthed position of the tested SF6

switchgear in case of "open" or "close" auxiliary contacts

malfunction;

Mechanical damage SF6 switchgear Motor drive in case

of "open" or "close" auxiliary contacts malfunction.

7.1.2.3 If the Contract contains more than one type of switchgear than the

following type tests shall be performed on two types of Prototypes

(from the types of switchgear specified in the Contract):

a. Dielectric tests

b. Temperature rise tests.

c. Measurement of the resistance of the main circuit.

7.1.2.4 The pressure withstand test shall be performed on a Prototype with

the maximum number of cubicles and on a Prototype with the

minimum number of cubicles (from the types of switchgear specified

in the Contract):

7.1.3 Type Test Report

The type test reports shall pertain to the equipment identical to the

proposed equipment.

The type test reports shall state according to which standard the test

was performed and shall specify the conditions of the test and the

actual values received during the type test. It shall state the names

and have the signatures of those responsible for test results. It will

enable to identify the name of the individual who is responsible for

each test.

The type test reports shall contain a detailed drawing of the tested

equipment, photos of the equipment before and after the test.


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7.2 Routine Tests

7.2.1 Duly certified routine tests are obligatory. Such tests shall be performed at the

manufacturer's laboratory.

7.2.2 Each supplied SF6 switchgear shall be tested in accordance with IEC

Publication 62271-200 and all relevant amendments.

7.2.3 The Routine tests shall be performed on each SF6 switchgear including each

MDS, trip coils and striker pin mechanisms.

For the Routine tests of the Electrical Operation including all the accessories

of the SF6 switchgear, the manufacturer shall use a simulator, which shall be

presented to Israel Electric Corp. approval as required in clause 6.23.2.12.

7.2.4 Routine Test Report

A Routine Test Report shall be prepared by the Contractor for each

switchgear

The routine test report shall state according to which standard and clause

the test was performed.

The Routine Test Report shall contain the serial no. of the switchgear, the

results of the tests, the required values and the values obtained during the

test.

The Routine Test Report shall contain the serial no of the SF6 container,

whereof fill the SF6 gas into the switchgear.

To assure that the quality of gas met the requirements of IEC 60376

Standard, a certificate (COC) of the above mentioned SF6 container,

issued by the gas supplier shall be attached to each routine test report.

It is to be noted that the filled SF6 gas shall be of a technical grade SF6 gas

(according to IEC 60376 Standard).

7.2.5 The Contractor shall submit to the Purchaser the routine test reports for

approval prior to the delivery of the equipment. The equipment shall de

delivered only after approval of the routine test report of each unit. The

approval of the routine test reports by I.E.Corp's quality control department

(including their acceptance of delivery) will be within 7 working days of

receipt of the routine test reports.

7.3 Special tests:

In addition, each SF6 switchgear shall be tested for Partial discharge.

The results of the above special test shall be noted in the routine test report.


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8. Technical Services

8.1 Start-up supervision

Requirements for supply of an unfamiliar equipment.

Definition:

An unfamiliar equipment is a type of equipment which has never been purchased by

the Israel Electric Corp. or is being produced in a new production line.

Requirements (incase of an offer of unfamiliar equipment):

8.1.1 After prototype approval of an unfamiliar equipment Contractor shall supply an

initial quantity of 20 units for gaining experience. These 20 units are part of the

scope of the contract.

8.1.2 Contractor shall supervise the site installation of at least 5 units (one working

day per unit) of the 20 initially shipped. The a.m. supervision shall be free of

charge.

8.1.3 Contractor shall train the Israel Electric staff prior to installation work

according to clause 8.4.1.

8.2 Repairing Faulty Equipment During the Warranty Period (Without Extra Costs)

The Supplier shall provide services for repairing faulty equipment during the warranty

period via a Service Company in Israel.

The Service Company shall perform all services rendered during the warranty period

within 24 hours of a written notification.

In special cases in the absence of an alternative of electric supply to Israel Electric

Corp. customers, this service shall be assured within 4 hours + travel time after the

Israel Electric Corp.'s notification.

All services shall be performed on site (for ex.: substations), as notified by I.E.Corp.

If the equipment can not be repaired on site, it will be repaired at the Service Company

facilities, at no extra charge.

Remark: During the reparation it is forbidden to release SF6 gas to the atmosphere.

Therefore, the Service Team shall be equipped with all the necessary

accessories required for SF6 gas collection.


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8.3 Repairing Faulty Equipment After the Warranty Period

The Supplier shall provide technical services for equipment after the warranty period

for a period of 15 years from last Purchaser's order.

The Service Company shall perform all services rendered after the warranty period

within 24 hours of a written notification.

In special cases in the absence of an alternative of electric supply to Israel Electric

Corp. customers, this service shall be assured within 4 hours + travel time after the

Israel Electric Corp.'s notification.

All services shall be performed on site (for ex.: substations), as notified by I.E.Corp.

I.E.Corp. will decide if the equipment will be repaired at the Service Company

facilities in case that the equipment can not be repaired on site.

The Bidder shall submit to the I.E.Corp. together with his proposal a list of reparation

operations that can be performed on site (please fill-in the table attached in Appendix

"F").

8.4 Training

8.4.1 Training of operating, mounting and maintenance staff

The Supplier shall train I.E.Corp. operating, mounting and maintenance staff

(training of 5 teams).

The training shall be performed in Israel, at the location of the production line

or at the location of the Service Company facilities in Israel.

The Supplier shall take care for switchgear and all necessary measures and

tools required for the training.

The training shall include the following:

All the required operations for proper mounting of the equipment and its

accessories on site.

Equipment handling.

Equipment operating.

Maintenance operations to be perform on site during SF6 switchgear

lifetime (preventive maintenance and corrective maintenance).

Assembly and disassembly of components

Special tools (if it is necessary).


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The costs of the accommodation and travel of I.E.Corp. staff will be borne by

I.E.Corp.

8.4.2 Training course for workshop staff

In addition to the above mentioned training, a training course for two teams of

5 participants each, of I.E.Corp.'s workshop staff is required, in order to qualify

them for repairing the units (the same qualification as the manufacturer service

staff). The training course shall include:

a. Theoretical guidance about the construction and testing of the equipment,

safeguard to be taken when handling and operating the equipment (when

the repair is performed in the workshop and in the installation site).

b. Practical guidance on the following subjects:

Troubleshooting

Repairing of the equipment

Leakage detection, gas filling/draining, using of accessories for SF6

gas collection.

Usage of special tools, accessories and spare parts.

All the operations to be performed when the repair is executed in the

workshop and in the installation site.

Disassembling and assembling components such as pressure indicator

gauge, tripping device, interlocks, motordrives, microswitches, VDS etc.

Testing of the equipment.

c. The training course shall be performed in Israel, at the location of the

production line or at the location of the Service Company in Israel.

If the training will performed at the location of the Service Company in

Israel, then the Contractor shall be responsible for the entire facilities

required for the training.

At the end of the course and after successfully passing an examination, an

authorization certificate shall be given to each participant.

d. The costs of the accommodation and travel of I.E.Corp. staff will be

borne by I.E.Corp.

9. Inscriptions

All the inscriptions shall be in Hebrew, durable and clearly legible. The inscriptions

shall successfully withstand in the service conditions as defined under clause 6.1.


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9.1 Nameplate

The nameplate shall be in accordance with IEC Publication 62271-200. In addition,

the following information shall be added to the nameplate:

- Date (month and year of manufacture).

- Weight of the SF6 switchgear.

- Tel. and Fax numbers of the Service Company in Israel.

The nameplate itself shall be made of anodized sheet aluminum.

9.2 Warning Labels

Each SF6 switchgear shall be supplied with the following warning labels:

a. A warning label for gas leakage checking shall be according to illustration No. 6.

The warning label shall be of self-adhesive type, which can be sticks on metal.

The background of the label shall be white and the color of printing shall be as

follows:

Items 1 in black color.

Items 2 in red color.

b. A warning signboard according to illustration No. 7 shall be attached to each

cable compartment. The warning signboard shall be of engraved type. The

background of the signboard shall be blue and the color of printing shall be

white. The height of the fonts shall be 8 mm and the font type shall be SL512.

c. A warning signboard according to illustration No. 8 shall be attached to each

SF6 switchgear in a conspicuous place. The warning signboard shall be of

engraved type. The background of the signboard shall be blue and the color of

printing shall be white. The height of the fonts shall be 9 mm and the font type

shall be SL512.

Illustration No. 6: warning label for leakage gas checking


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Illustration No. 7: warning signboard attached to each cable compartment

Illustration No. 8: warning signboard attached to each SF6 switchgear

d. A warning label according to illustration No. 9 shall be attached beside each

motor circuit breaker. The warning label shall be of self-adhesive type, which

can be sticks on metal. The background of the label shall be blue and the color of

printing shall be white.

Illustration No. 9: warning label attached to each motor circuit breaker

9.3 Each cable compartment cover shall be marked with a marking of its location on the

switchgear. The marking shall be as follows:

Cable cubicles: C1, C2….C5

Transformer cubicles: T1, T2

The order of numbering shall be from the left cubicle to the right cubicle

The same marking shall be attached to the front panel of each cubicle.

9.4 The phase order markings (L1, L2, L3) shall be attached behind each bushing, each

fuse canister and behind each voltage indicator.

9.5 A warning label with the sign of "no drilling" shall be attached to the right, left and

back sides of the SF6 vessel.

יש להפסיק מא"ז מנוע לפני ביצוע הפעלה ידנית


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9.6 Operating Instructions signboard

9.6.1 Each switchgear shall be supplied with an Operating Instructions signboard

and with suitable base. It is to be noted that the switchgear shall be supplied

with signboard intended for installation in Indoor Transformer Station (ITS) -

see clause 9.3.3.

9.6.2 The signboard shall be made of foamed P.V.C and the printing shall be in

silkscreen. The signboard shall be coated with a transparent polyester coating

against scratch type No. 639 of 3M manufacture.

9.6.3 The dimensions and the installation method of the signboard shall be as

follows:

PVC dimension

(mm)

Signboard

dimensions

(mm)

Method of installation

700 x 500 x 5

(See illustration No. 10) 690 x 445

On base according to illustration

No. 10

9.6.4 The content and the colors of the signboard shall be according to the example

described in Illustration No. 11.

Remark: During the Prototype Approval the Contractor shall prepare such

signboard according to I.E.Corp. instructions. I.E.Corp. will

provide a translation into English (if it will be necessary) of the

above signboard.


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Illustration No. 10: Operating Instructions signboard for ITS

45

Illustration No. 11: Example of Operating Instructions signboard


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For SF6 Insulated Switchgear for

System rated voltage up to 24 kV

Issued date: 30/07/2018

Page No. 46 of 154

10. Packaging

10.1 The packaging of the SF6 switchgear shall be suitable for transportation and for

prolonged storage period.

10.2 Each bushing shall be protected up to cable installation against dust by an appropriate

cover.

10.3 Each supplied SF6 switchgear shall be packed together with all its accessories, in a

wood case according to illustration No. 12. Inside the wood case the SF6 switchgear

shall be covered by hard plastic sheet.

Accessories such as voltage indicators, bolts, fuse guides etc. shall be packed in a

cardboard box.

The construction of the wood case shall permit the storage in two layers.

One Operating Instruction Signboard shall be attached to each case.

10.4 Each packaging shall be clearly marked in print (large letters) with the following:

Trade mark.

Israel Electric Corp. Catalogue Number.

Contract and/or Order Number.

Serial Number.

Configuration (for example: 3C+1T, 24 kV)

Weight

Tel. No. of the Service Company in Israel.

Instructions for unloading with a mobile crane and with a fork-lift truck,

checking of the correctly balanced during the transportation.

Indoor storage.

Lifting and tying points.

10.5 One copy of the packing list shall be attached to each case.

10.6 One copy of the Installation Instructions in Hebrew shall be attached to each case.


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Illustration No. 12: wood case

11. Spare Parts

11.1 The Bidder shall submit to the Israel Electric Corp. together with his proposal a spare

parts list (please fill-in the table attached in Appendix "G"). The spare parts list shall

include the following information: Manufacturer names of spare parts, Manufacturer

part number (P/N) of spare parts, order number of spare parts (if any), reference

number in drawing.

11.2 The Contractor shall supply to the Purchaser, if required, and by a particular order at

any time during a period of 15 years from last Purchaser's order, spare parts for the

previously ordered Switchgear, in the quantities that are needed by the Purchaser for

repair of damaged Switchgear of Contractor's manufacture, or if any of those went

out of stock, its functional equivalent.


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12. Quality Assurance and Quality Control

The Quality Assurance and Quality Control of the Manufacturer shall conform to The

Threshold Conditions of the Bid documents.

The Q.C system of the manufacturer shall comply with the requirements of specification

Q-APP-02/4, 03/2011 (Procurement Quality Requirements) attached in Appendix "K".

If the present Specification or the Threshold Conditions of the Bid contain requirements

which are differ from those of specification Q-APP-02/4, 03/2011 attached in Appendix "K",

the requirements of this specification and of the Threshold Conditions of the Bid shall take

precedence.

13. DELIVERY APPROVAL CONDITIONS

13.1 After final approval of the prototype, as soon as possible after tests, but before

delivery of the rest of SF6 switchgear, the Contractor shall submit to Israel Electrical

Corporation 3 (three) copies of each Routine Test Report as required in clause 7.2.

The Routine Test Report shall bear Manufacturer's name, the serial number and the

type of the SF6 switchgear tested as well as the name and signature of the individuals

responsible for the results of the Routine tests.

Contractor must also specify according to which standards the Routine Test was

performed.

13.2 A Quality Control Label shall be attached to each SF6 switchgear. The label shall

indicate:

Contract/order no.

Approved stamp.

Serial no.

Date

Name and Signature

13.3 A label shall be attached to each SF6 switchgear including the name, the facsimile

and the telephone number of the Service Company.


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13.4 Prototype Approval

13.4.1 After notification of award, and before production of all ordered SF6

switchgear, the Contractor shall manufacture one SF6 switchgear as

prototype for Israel Electric Corp. preliminary approval.

13.4.2 Together with the prototype, the Manufacturer shall present for the Israel

Electric Corp. approval a simulator which shall enable to check the

Electrical Operation (as per sub-clause 6.23.2.12 of this Spec.) of all ordered

SF6 switchgears during Routine Tests.

13.4.3 Before manufacturing of the prototype, the Contractor shall submit for

Purchaser approval, the following:

a) Detailed drawings.

b) Cleaning and painting procedures.

c) A list of all components and accessories manufactured in Israel.

d) A list of all components manufactured in countries other than Israel, and

the manufacturer's country of origin (for details of outsourcing

requirements refer to the Outsourcing Outside of Israel, paragraph of the

Cover Letter accompanying this Proposal Document).

e) A complete list of "For Information" documentation for approval.

f) Inspection and Test plan included in the Quality Plan and which shall be

applied during Equipment's manufacture erection and commissioning.

g) As applicable special manufacturing Procedures:

Welding procedures and Welder's qualifications.

Non Destructive Evaluation Procedures and N.D.E. Inspector's

qualifications.

Special Processes Procedures.

Heat Treatment Procedures.

Electrical Testing Procedures as per applicable Standards.

Non Conformance's and Deviation Control Procedures.

Certificates of Chemical, Physical, Mechanical and Electrical Tests,

according to this Specification.

Inspection and Test Reports.

h) List of qualified suppliers of the most important parts and components

(as is applicable).

i) Type Test Reports, according to the relevant Standards, of the main

components (for example: bushings, insulators, V.D.S etc.) which will

be produced by the Contractor or his subcontractors for this Contract.

13.4.4 Together with the prototype the Contractor shall present for Israel Electric

Corp. approval an Operating Instructions Signboard.


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13.4.5 For purposes of the Prototype approval, the manufacturer shall perform the

complete routine tests, type tests and special tests as required in clause 7 of

this specification.

13.4.6 The Contractor shall be responsible to conduct successfully all the necessary

tests, and to deliver to the Israel Electric Corp. all the necessary reports, in a

manner, which will not interfere with or delay any of the time schedules,

pertaining to any action or undertaking, required of the winning Bidder,

including, but not limited to delivery schedule. Such responsibility shall

include proper and reasonable advance notifications to the Israel Electric

Corp., prior to any action, required of it.

The test program and the test laboratories shall be agreed between I.E.Corp.

and the Manufacturer.

13.4.7 The Israel Electric Corp. shall have a right (but not a duty) to waive all or

part of the required tests if the following requirements fulfilled:

a. Type and Special Tests have already been conducted with

reference to an identical equipment which is offered by the

Bidder and

b. The equipment is manufactured in identical manufacturing line,

identical technology procedure and according to the same

standards.

c. The proposed equipment has been supplied to the Israel Electric

Corp. in the last 3 years.

d. The Israel Electric Corp. approves the reports, pertaining to such

tests.

The Bidder will be notified by the Israel Electric Corp. about the type test

waived prior to the commercial stage of the tender.

13.4.8 The Contractor shall submit to Israel Electric Corp. 3 (three) sets of

drawings of the prototype, Routine Test Report (including special tests) as

required in clause 7.2 of this Specification. The drawings shall show the

overall outside dimensions, mounting dimensions, wiring diagram, main

sections and gross weight. All data and descriptive material in the above

drawings shall be in English. All dimensions shall be stated in the metric

system.

13.4.9 The Israel Electric Corp. reserves the right to cancel the order for the supply

of SF6 Switchgear if the prototype is not approved by the Israel Electric

Corp.


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13.4.10 After prototype approval (including final approval of the drawings) the

Contractor shall submit within thirty (30) days from the date of prototype

Approval, but not later then thirty (30) days before delivery of the

equipment the following:

- Three (3) sets of complete instructions, site tests, tools, accessories,

books for erecting, installing operating and maintaining the equipment.

After Purchaser's approval of the above instruction book, the Contractor

shall submit six (6) sets of complete instruction books and a CD of the

instruction book.

- Final Inspection and Test Plan

- Final special manufacture procedures.

13.4.11 In any case, the Contractor shall not resume the manufacture of the rest of

the ordered equipment before receiving the Israel Electric Corporation's final

approval of the prototype.

13.4.12 The required schedule up to the prototype approval (after the notification of

award) is attached in Appendix "I".


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Appendix "A" Issued date: 30/07/2018

Page No. 52 of 154

Appendix “A“

Summary of Data for SF6 Insulated Switchgear

for 24 kV System Voltage

Bid No.: ___________________

Name of the Bidder: ___________ Signature of Bidder: _______________

(Insert all data in this column)

1.1 Bidder’s Name and Address

1.2 Bidder’s tel. number/fax number

1.3 Manufacturer’s Name and Address

1.4 Manufacturer’s tel. number/fax number

2. Type of SF6 Insulated Switchgear (Denomination): Switchgear

Category A

Switchgear

Category B

3C ..................................................................... (P/N)

4C ..................................................................... (P/N)

5C .................................................................... (P/N)

2C+1T .............................................................. (P/N)

2C+2T .............................................................. (P/N)

3C+2T .............................................................. (P/N)

3C+1T ............................................................... (P/N)

Simulator For Checking Electrical Operation of SF6

Switchgear .......................................................... (P/N)

3. Documents

3.1 Are the following documents attached to the

proposal?

(a) General outline drawings with dimensions,

weight, etc. ................ (attached/not attached)


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(b) General outline drawings of all accessories,

bushings, including operating panel. ................

................................. (attached/not attached)

(c) List of accessories ........ (attached/not attached)

(d) Recommended cable connectors

..................................... (attached/not attached)

(e) Recommended High-Voltage back-up current

limiting fuse links ......... (attached/not attached)

(f) Description of the equipment (including arcing

chamber, earthing system, interlocks, operating

mechanism, protection against corrosion,

painting, etc.). ............. (attached/not attached)

(g) Detailed specification covering construction and

materials used in all parts of the equipment.

.................................... (attached/not attached)

(h) Wiring diagrams............ (attached/not attached)

(i) The manufacturer catalogue pages of the

proposed motor and trip coil with electrical

data ........................... (attached/not attached)

(j) Type test reports as required in clause 7.1 of this

specification ............... (attached/not attached)

(k) "Sealed for life time" document proof

................................... (attached/not attached)

(l) Routine test program as required in clause 7.2 of

this specification ..... (attached/not attached)

(m) Design of the simulator (as required in para.

6.23.2.12) .................... (attached/not attached)

(n) Spare parts list including part No. of each spare

part (according to clause 11)



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(o) Storage, transport and mounting instructions


(p) Operating and inspection instructions, safety

rules............................. (attached/not attached)

(q) Declaration of Bidder for providing service

according to clause 8 by a Service Company in

Israel .......................... (attached/not attached)

(r) Drawing of the nameplates


(s) Reference list ................ (attached/not attached)

(t) Completed and filled-in Summary of Data of

Specification NTS-113/1 (Appendix "C")


(u) Completed and filled-in Summary of Data of

Specification NPS-44/4 (Appendix "E")


(v) A list of components and accessories

manufactured in Israel, name of local

Manufacturer and percentage of each local

manufacturer content of total price


(w) A list of components and accessories

manufactured in countries other than Israel


(x) Special manufacturing Procedures


(y) Completed and filled-in Appendix "H" – list of

sub-contractors ............ (attached/not attached)

(z) Quality Assurance Manual including Quality

Procedures ................. (attached/not attached)


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(aa) Preliminary Inspection and Test Plan


(bb) Valid ISO Standard 9001certificate given by

an authorized inspection agency


(cc) Know-how Agreement..(attached/not attached)

(dd) A written statement by the Bidder

(Manufacturer) in which he undertakes to

conform to all the requirements of this

specification ............... (attached/not attached)

(ee) Test reports of the post insulators according to

IEC 60660 or a declaration that the post

insulators complies with IEC 60660 Standard


(ff) Instructions and necessary equipment required

for draining and refilling SF6 gas (as required

in para. 6.29) .................. (attached/not attached)

4. Service conditions:

4.1 Permissible ambient air temperature:

Maximum ..................................................... (C)

Minimum ...................................................... (C)

Daily average ................................................ (C)

4.2 Permissible relative humidity:

Daily average ................................................ (%)

Monthly average ............................................ (%)

4.3 Maximum permissible altitude above sea level ... (m)

5.4 Maximum permissible altitude under sea level ...... (m)

(see also clause 6.1 of this specification).


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4.4 Environmental Protection:

4.4.1 Are all the elements of the switchgear

withstand the specified environmental

conditions? ........................................ (yes/no)

4.4.2 Are the non-corrosion resistant materials being

thoroughly galvanized, cleaned, primed and

painted? .............................................. (yes/no)

4.4.3 Are tight dimensional tolerance components be

made of stainless steel and be coated according

to the requirements of clause 6.7.3? .... (yes/no)

4.4.4 Is the grade of aluminum components resistant

to service conditions and be coated according

to the requirements of clause 6.7.4 ..... (yes/no)

4.4.5 Are copper components installed outside the

SF6 tank be electrolytically tinned? .... (yes/no)

The thickness will be at least ................... (m)

5. Design Data:

5.1 Is the SF6 switchgear preventive maintenance free in

the specified operating conditions? ........... (Yes/No)

Are detailed instructions attached .............. (Yes/No)

5.2 Is the proposed SF6 switchgear a "sealed pressure

system" according to IEC 62271-1 Standard ..

(Yes/No)

5.3 Are all the electrical parts, including arcing chamber,

main contacts, connection busbars and earthing

switches mounted in a metal enclosure, hermetically

sealed and filled with SF6 gas? .................. (Yes/No)

5.4 Is the equipment guaranteed against gas leakage for at

least 15 years? ............................................ (Yes/No)


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5.5 Is the enclosure made from stainless steel .. (Yes/No)

- What is the thickness of the enclosure? ..................

5.6 Rated filling pressure ........................................ (Bar)

5.7 Design pressure ............................................... (Bar)

5.8 Minimum functional pressure ............................ (Bar)

At a temperature of ............................................ (C)

5.9 Volume of gas used in the SF6 switchgear for each

type:

3C ................................................................. (Liter)

4C ................................................................. (Liter)

5C ................................................................. (Liter)

2C+1T .......................................................... (Liter)

2C+2T .......................................................... (Liter)

3C+1T .......................................................... (Liter)

3C+2T .......................................................... (Liter)

5.10 Switchgear overall dimensions and weight: Length Width Height Weight

3C ................................................................. (mm)

4C ................................................................. (mm)

5C ................................................................. (mm)

2C+1T .......................................................... (mm)

2C+2T .......................................................... (mm)

3C+1T .......................................................... (mm)

3C+2T .......................................................... (mm)

5.11 State the treating and painting cycle of the metal

elements.


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5.12 Are the main contacts of the switches enclosed

separately in hermetically sealed SF6 gas filled

chamber? ................................................. (Yes/No)

5.13 The maximum number of cubicles in one SF6

switchgear unit is ..................................................

6. SF6 Insulated Switchgear Rating:

6.1 Rated voltage ............................................... (kV)

6.2 Rated current ................................................ (A)

6.3 Rated insulation level:

6.3.1 Impulse withstand voltage:

To earth, between phases and across

the open switching device ............... (kV)

Across the isolating distance ........... (kV)

6.3.2 One-minute power frequency withstand

voltage:

To earth, between phases and across

the open switching device ................ (kV)

Across the isolating distance ........... (kV)

6.4 Rated frequency ............................................ (Hz)

6.5 Rated current of the cable unit ...................... (A)

6.6 Rated current of the trafo unit ...................... (A)

6.7 Rated short time withstand current (Ik). (kA r.m.s.)

6.8 Rated peak withstand current (Ip)........... (kA peak)

6.9 Rated short-circuit making capacity of the switch-

disconector (Ima) .................................. (kA peak)

6.10 Rated short-circuit making capacity of the

earthing switch .................................. (kA peak)


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6.11 Rated breaking capacities of switch disconnectors:

6.11.1 Rated mainly active load breaking current

(Iload1 and Iload2) ...................................... (A)

6.11.2 Rated Closed loop current (Iloop) ....... (A)

6.11.3 No-load transformer breaking current .. (A)

6.11.4 Rated cable charging breaking current (Icc1

and Icc2) ............................................ (A)

6.11.5 Rated line charging breaking current (Ilc)

............................................................ (A)

6.11.6 Rated earth fault breaking current (Ief1 and

Ief2) .................................................... (A)

6.12 No. of braking and Making Operations:

6.12.1 No. of operations in mainly active load of

the switch-disconnectors ........ (CO cycles)

6.12.2 No. of making operations at short circuit

making current (Ima) of the switch

disconnectors ........................... (C cycles)

6.12.3 No. of making operations at short circuit

making current (Ima) of the earthing

switches ................................... (C cycles)

6.13 Rated making and breaking capacities of fuse

switch combination:

6.13.1 Rated transfer current (Itransfer) .............. (A)

6.13.2 Prospective current at the maximum

breaking energy I2t (Iwmax).................... (A)

6.13.3 Making and breaking current at the Rated

short circuit current (Isc) ...................... (A)

6.14 Internal fault withstand for 1 sec)

Inside the tank ........................................ (kA)

Inside the cable compartment................. (kA)


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Classification IAC ......................................

6.15 Maximum permissible partial discharge at

1.1xUn =

P.D. (pC) =

7. Cable connections of Cable cubicle:

7.1 Name of the bushings manufacturer and it's type ......

7.2 Rated voltage of the bushings ......................... (kV)

7.3 Rated current .................................................... (A)


- BIL (1.2/50sec) .................................... (kV peak)

- 50 Hz (one minute) ...................................... (kV)

7.5 Maximum permissible P.D. at 1.1xUn (Please state

the voltage and the quantity of P.D.)

7.6 Cable connectors and surge arresters types which

may be installed:

7.7 Cable connectors which may be installed:

8. Cable connections of Trafo cubicle:

8.1 Name of the bushings manufacturer and it's type

8.2 Rated voltage of the bushings ........................ (kV)

8.3 Rated current .................................................. (A)


- BIL (1.2/50sec) ..................................... (kV peak)

- 50 Hz (one minute) ....................................... (kV)


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8.5 Maximum permissible P.D. at 1.1x Un (Please state

the voltage and the quantity of P.D.)

8.6 Cable connectors which may be installed: (see

clause 6.15.2 of this specification):

P/N of the three phase kit for 50 mm2, 12/20 kV,

Al cable.

P/N of the three phase kit for 50 mm2, 18/30kV,

Cu cable.

Manufacturer

9. Will each cable cubicle and trafo cubicle be equipped

with three cable clamps as required in sub clause 6.17?

......................................................................... (Yes/No)

10. Is the operating mechanism of a spring loading type?

......................................................................... (Yes/No)

11. Is it possible to provide the cable units with quick

making and breaking mechanism? ................ (Yes/No)

12. Motor Drive System (MDS):

12.1 Is each cable cubicle provided with Motor Drive

System as per subclause 6.23.2 of this

specification?

.............................................................. (Yes/No)

12.2 Technical characteristics for Motor Drive:

The proposed motor manufacturer's name .......

The proposed motor manufacturer's model .......

Rated voltage .............................................. (V)

Maximum continuous current ..................... (A)

Maximum inrush current .......................... (A)

For a maximum duration of ..................... (sec)


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Maximum no. of operations .. (CLOSE-OPEN)

Diagrams and catalogues .(attached/Not attached)

12.3 Are the instructions for Motor Drive System

adjustment before putting in service (if necessary)

attached? ............................................... (Yes/No)

13. Fuse-Tripping Device via the striker pin:

13.1 Is the trafo unit provided with a fuse-tripping

device via the striker pin? ..................... (Yes/No)

13.2 Is it necessary to check the tripping device:

Before putting into service ……….....(Yes/No)

Periodically ......................................(Yes/No)

13.3 Is a special tester tool necessary for tripping

device checking? .................................. (Yes/No)

If yes, will the Supplier supply to the Israel

Electric Corp. 1 (one) test tool for each 50 trafo

cubicles supplied (including operation and

calibration instructions)? ........................ (Yes/No)

13.4 Is the trafo unit provided with trip coil?.. (Yes/No)

13.5 Technical characteristics of the trip coil:

The proposed trip coil manufacturer's name...

The proposed trip coil manufacturer's model .

maximum operating current ..................... (A)

for a maximum period of ................... (msec)

14. Electrical Operation:

14.1 Is the operating panel for cable cubicle (including

overall dimensions, markings etc.) presented in

the attached manufacturer drawing? ...... (Yes/No)

Please specify the No. of the drawing.


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14.2 Is the operating panel for trafo cubicle (including

overall dimensions, markings etc.) presented in

the attached manufacturer drawing? ...... (Yes/No)

Please specify the No. of the drawing.

14.3 Does the MDS enable emergency manual

operation as per sub-clause 6.23.2.5 in this

specification? ........................................ (Yes/No)

14.4 Does the insertion of the padlock disable the MDS

operation? .............................................. (Yes/No)

14.5 Type of push-buttons will be ..............................

14.6 Type of lamps will be .........................................

14.7 Will each cable cubicle be provided with the

following potential free contacts?

a. Selector switch in "Local-Electrical Operation"

position ............................................. (Yes/No)

b. Selector switch in "Remote Control Operation"

position ............................................. (Yes/No)

c. Switch-Disconnector "CLOSED" ..... (Yes/No)

d. Switch-Disconnector "OPEN" .......... (Yes/No)

e. Earthing switch "EARTHED" .......... (Yes/No)

f. Earthing switch "OPEN" .................. (Yes/No)

g. Earthing switch in "NUTRAL" position (in

case of 3 positions earthing disconnector) .

(Yes/No)

h. MDS disabled by emergency manual operation

handle insertion or by insertion of padlock

......................................................... (Yes/No)

i. Motor circuit-breaker in "OFF" position

......................................................... (Yes/No)


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Are the four above indications "c", "d", "e" and

"f" received from auxiliary switches located on

the shaft of the Switch-Disconnector and earthing

switch? ................................................. (Yes/No)

14.8 Will each trafo cubicle be provided with the

following potential free contacts?

a. Switch-Disconnector "CLOSED" ..... (Yes/No)

b. Switch-Disconnector "OPEN" .......... (Yes/No)

c. Earthing switches "EARTHED" ....... (Yes/No)

d. Earthing switches "OPEN" .............. (Yes/No)

e. Transformer switched-off by fuse striker pin

(blown fuse) ...................................... (Yes/No)

f. Trip-Coil circuit-breaker in "OFF" position

......................................................... (Yes/No)

Are the four above indications "a", b", "c" and "d"

received from auxiliary switches located on the

shaft of the on-load switch .................... (Yes/No)

14.9 Are the documents described in paragraph 2.1 of

Specification NTS-113/1 (Appendix "C") attached

to the offer? ........................................... (Yes/No)

14.10 Is the insulation of copper conductors halogen

free type? ............................................ (Yes/No)

15. Will the Contractor design and manufacture a simulator

to check the correct electrical operation and indications

of each cable and trafo cubicle during the mass

production? .................................................... (Yes/No)

16. Interlocks:

16.1 Are the interlocks according to IEC 62271-200

para. 5.106 implemented? ..................... (Yes/No)


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16.2 Is the interlock between earthing switch and cable

connection cover implemented according to

clause 6.12.2 of this specification? ....... (Yes/No)

16.3 Is the interlock between switch disconnector and

earthing switch (for switchgear of category B)

implemented according to clause 6.12.3 of this


17. Is the SF6 switchgear provided with gas inspection

device? ............................................................ (Yes/No)

State what kind of gas inspection device is provided .....

Is the SF6 switchgear provided with a change over

potential free contacts for SF6 gas low pressure alarm

indication? .................................................... (Yes/No)

18. Is the indicating device of the switch-disconnector and

earthing switch position installed directly on the

operation system of the switch-disconnector and of the

earthing switch contacts? ................................. (Yes/No)

Please attach drawing and explanations.

19. Coating material (if any) of the main contacts ..............

20. HV fuses:

20.1 Are the HV fuses air insulated? ............. (Yes/No)

20.2 Maximum permissible rated current of the HV fuse

......................................................................... (A)

20.3 Maximum permissible outer diameter of the HV

fuse ............................................................... (mm)

20.4 Maximum permissible power dissipation of the

HV fuse at the rated current of the fuse? ........ (W)

20.5 Maximum permissible power dissipation of the

HV fuse at the rated current of the fuse? ........ (W)


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20.6 May the M.V. fuses specified in NPS-208/1

specification (Appendix "D") be installed in the

proposed switchgear. .............................. (Yes/No)

21. Will the nameplate be in accordance with subclause 9.1

of this Specification ......................................... (Yes/No)

22. Will each cubicle be provided with three capacitive

voltage testers (for each phase) ....................... (Yes/No)

Please state the type of the voltage testers and no. of

the attached type test report ...................................

Please note the recommended testing device for

V.D.S (see clause 6.19.2 of this Specification) .........

The excitation of the indication "voltage present"

(see clause 6.19.3 of this Specification) ........... (kV)

23. Base frame:

Will the base of the SF6 switchgear be in accordance

with subclause 6.24.2 .......................................... (Yes/No)

24. Refilling/Draining SF6 gas:

24.1Can the Switchgear be refilled with SF6 gas on site

or/and at the workshop? ....................... (Yes/No)

24.2Can the SF6 gas be Drained from the Switchgear on

site or/and at the workshop? ................ (Yes/No)

25. Tests:

25.1 Type Tests

25.1.1 Are the following Type Test Reports

attached (state the number of the test report

and according to which subclause of the

standard the test was performed):


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(a) Lightning and switching impulse

voltage tests .......................... (Yes/No)

- Test Report No..............................

- No. of relevant standard and

subclause .........................................

(b) Power frequency voltage tests on the

main circuit ............................ (Yes/No)

- Test Report No...................................


subclause ..........................................

(c) Partial discharge tests ........... (Yes/No)

- Test Report No .................................


subclause .........................................

(d) Dielectric tests on auxiliary and control

circuits .................................. (Yes/No)

- Test Report No. .................................


subclause .........................................

(e) Temperature rise tests ........... (Yes/No)

- Test Report No .................................


subclause ........................................

(f) Measurement of the resistance of the

maincircuit ............................ (Yes/No)

- Test Report No.................................


subclause ........................................


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(g) Short-time and peak withstand current

tests:

On main circuits ............... (Yes/No)

- Test Report No..............................


subclause .....................................

On earthing circuits .......... (Yes/No)

- Test Report No..............................


subclause

(h) Verification of making and breaking

capacities ............................... (Yes/No)

- Test Report No..............................


subclause .....................................

(i) Mechanical operation tests of switching

devices and removable parts:

Interlocks ......................... (Yes/No)

- Test Report No..............................


subclause ......................................

Mechanical endurance test (Yes/No)

- Test Report No...............................


subclause ......................................

Test of the trip linkage ...... (Yes/No)

- Test Report No...............................


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subclause .....................................

Mechanical shock tests on fuses

........................................ (Yes/No)

- Test Report No............................


subclause .....................................

(j) Pressure withstand tests .......... (Yes/No)

- Test Report No. .................................

- No. of relevant standard and subclause

(k) Gas tightness tests ................... (Yes/No)

- Test Report No. ..................................


(l) Arcing due to internal fault ........ (Yes/No)

- Test Report No. ..................................


(m) Voltage indication system test .. (Yes/No)

- Test Report No. ..................................


(n) Artificial pollution test .............. (Yes/No)

- Test Report No. .................................


(o) Position Indicating Kinematic Chain test

............................................... (Yes/No)

- Test Report No. .................................



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25.1.2 Are the attached Type Test Report strictly

valid for the ordered SF6 switchgear

………………….............………. (Yes/No)

Will a complete Type Test be performed on

the Prototype (as per clause 12.4 of this

Specification)? ............................. (Yes/No)

In this case, Will the type tests be performed

according to the required schedule

(Appendix "I")? ............................ (Yes/No)

25.2 Routine tests:

24.2.1 Is the Routine test program attached?

....................................................... (Yes/No)

24.2.2 SF6 gas test according to IEC Publication

60376 ............................................. (Yes/No)

25.3 Special tests:

Are the following test reports attached?

(a) Partial discharge test .......................... (Yes/No)

- Test Report No. ..........................................

(b) Mechanical endurance test with motor drives (at

least 2000 open-close operations) ...... (Yes/No)

- Test Report No ............................................

26. Training

26.1 Will a training course for I.E.Corp. operating,

mounting and maintenance staff performed

according to clause 8.4.1 of this specification?

................................................................ (Yes/No)

26.2 Will a training course for I.E.Corp. workshop staff

performed according to clause 8.4.2 of this



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26.3 Will services for equipment provided during the

warranty period by a Service Company in Israel

according to clause 8.2 of this specification?

.............................................................. (Yes/No)

26.4 Will technical services for equipment provided

after the warranty period? ....................... (Yes/No)

27. Inscription

27.1 Will the inscriptions be in Hebrew? ...... (Yes/No)

27.2 Will the inscriptions withstand successfully the

service conditions specified in clause 6.1.(Yes/No)

27.3 Please specify the type, method of printing and

materials of the inscriptions ..................................

27.4 Will each switchgear be supplied with an

Operating Instruction signboard as per clause 9.6?

............................................................. (Yes/No)

27.5 Will each switchgear be supplied with the

warning labels and markings as per clauses 9.2-

9.5 of this specification .............................. (Yes/No)

27. Packaging

Will Each SF6 switchgear be packed in accordance with

clause 10 of this Specification? ....................... (Yes/No)

28. Prototype approval

Does the Bidder guarantee after notification of award

and before production of all ordered SF6 switchgear to

present SF6 switchgear prototypes, one simulator and

the Operating Instructions signboard for Israel Electric

Corporation approval as required in clause 13.4 of this

Specification? ............................................... (Yes/No)


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29. Conformity With Proposal Documents

Bidder hereby certifies that he agrees to all the provisions of the Enquiry Documents.

Bidder hereby certifies that he agrees to all conditions of the cover letter of the Israel

Electric Corporation Limited, which accompanied the Proposal Documents.

Date of Proposal ___________________ Signature of Bidder _________________


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Appendix "B" Issued date: 30/07/2018

Page No. 73 of 154

APPENDIX "B"

Requirements for Know-How Agreement


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Appendix "B" Issued date: 30/07/2018

Page No. 74 of 154

APPENDIX “B”

A. Where a "Know-how" agreement is required under the tender/inquiry documents, or under the

specification, such "Know-how" agreement must include the following commitments, or

substantially similar commitments, on part of the provider of the know-how:

1. To transfer to the know-how recipient, all the technical documents and drawings, necessary for

the manufacturing, fabrication, testing, proper packing, operating and maintaining of the

proposed equipment;

2. To adequately instruct and provide technical support to the know recipient in the field of

manufacture/fabrication, design, quality control, testing and repair of the proposed equipment;

3. To conduct an inspection of the manufacturing line of the know-how recipient and to approve

its adequacy to manufacture the proposed equipment up to the standards of the know-how

provider;

4. To participate in type tests of the proposed equipment (of the know how recipients

manufacture) and to instruct/support the know-how recipient in undertaking corrective

act/procedure, if required or approved by the I.E.Corp.;

5. To provide technical support/instructions to the know-how recipient during the first two years

following the start of manufacturing by the know-how recipient;

B. The I.E.Corp. waives any and all claims it may have against the know-how provider, for any

conduct, act or omission, on part of the know-how provider, or any of its employees, agents, or

representatives, directly or indirectly related to the transfer of know-how, the know-how

agreement, or any action, or omission thereunder.

This waiver of claims shall insure to the benefit of the know-how provider and to the benefit of

any of its employees, agents or representatives.

Nothing said herein shall release the know-how recipient from any duties or commitments,

undertaken by it, as part of its proposal to the I.E.Corp., or in connection with any failures or

omissions to carry out such duties, or commitments.


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Appendix "C" Issued date: 30/07/2018

Page No. 75 of 154

APPENDIX "C"

Specification NTS-113/1 for Sockets in SF6 Insulated

Switchgear for Plug-In Control Cables Connection

Applicable for equipment of Category B only

76 Appendix "C" of spec. NPS-210/6


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Appendix "D" Issued date: 30/07/2018

Page No. 98 of 154

APPENDIX "D"

- For Information only -

Specification NPS-208/1 for High Voltage Fuses for

System Rated Voltage up to 36 KV

99 Appendix "D" of spec. NPS-210/6


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Appendix "E" Issued date: 30/07/2018

Page No. 114 of 154

APPENDIX "E"

Specification NPS-44/4 for Cable Clamps

115 Appendix "E" of spec. NPS-210/6


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Appendix "F"


Page No. 123 of 154

APPENDIX "F"

List of reparations that can be performed on site


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Appendix "F"


Page No. 124 of 154

Reparation operation

(Please complete the following list with

operations that can be performed on site)

unit

Please indicate if the

reparation operation can

be performed in the

proposed equipment

1. Leakage detection and gas filling/draining

2. Replacement of pressure indicator (gauge)

3. Replacement of pressure switch

4. Replacement of Voltage detecting system

(VDS)

5. Replacement of trip coil

6. Replacement of trip device

7. Replacement of interlock:

7.1

7.2

7.3

7.4

7.5

7.6

8. Replacement of motor drive

9. Replacement of microswitch

9.1

9.2

9.3

9.4

9.5

9.6

10. Replacement of operating mechanism in cable

cubicle

11. Replacement of operating mechanism in

transformer cubicle

12. Replacement of fuse canister

13. Replacement of bushing in cable cubicle

14. Replacement of bushing in transformer cubicle

15.

16.

17.

18.

19.

20.

Date: _______________ Bidder's Signature: _____________

Know-How Supplier Signature: __________________

(*) Remark:

The Bidder shall fill-in supplementary reparation operations that can be

performed on site for the proposed switchgear.


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Appendix "G"


Page No. 125 of 154

APPENDIX "G"

Spare parts list


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Appendix "G" Issued date: 30/07/2018

Page No. 126 of 154

Spare parts for 24 kV switchgear

Manufacturer Catalogue

No. Unit Part Description (*)

Each Fuse compartment cover 1. Each Cable compartment cover for T (F) cubicle 2. Each Cable compartment cover for C cubicle (internal arc

proof type)

3.

Each Fuse tube covers

(Please specify each item in the set): 4.

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

Set (of

one

phase)

Fuse tube (including gasket, springs, grease and all

accessories required for installation)

(Please specify each item in the set):

5.

5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8

5.9

Set Fuse guide ring (three pieces for each set) - if

available

6.

Set Fixing bracket for the fuse cover (including all

accessories required for installation). - if available


7.

7.1

7.2

7.3

7.4

7.5


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Set (of

one

phase)

Bushing for transformer cubicle (including gasket,

grease, silver contact, and all accessories required

for installation)


8.

8.1

8.2

8.3

8.4

8.5

8.6

8.7

8.8

8.9

Set (of

one

phase)

Bushing for cable cubicle (including gasket, grease,

and all accessories required for installation)


9.

9.1

9.2

9.3

9.4

9.5

9.6

9.7

9.8

9.9

Silver contact of bushing for transformer cubicle 10. Each Operating mechanism for cable cubicle


11.

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

Each Operating mechanism for transformer cubicle 12. 12.1

12.2


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12.3

12.5

12.6

12.7

12.8

12.9

Each Manometer (including all accessories required for

installation)

13.

Each Pressure switch 14. Each Coupling system for HR, separable VDS (for cable

cubicle)

15.

Each Coupling system for HR, separable VDS (for trafo

cubicle)

16.

Each Voltage Detecting system - Indicating lamp 17. Each Support for coupling system (for cable cubicle) 18. Each Support for coupling system (for trafo cubicle) 19. Each Operating handle for switch disconnector 20. Each Operating handle for earthing switch 21. Each Cable clamp 22. Each Motor M.C.B 23. Each Trip-coil M.C.B 24. Each Aux. contact for M.C.B. 25. Each Push-button (black) including contact block 26. Each Push-button (red) including contact block 27. Each Push-button (green) including contact block 28. Each Selector switch including contacts blocks 29. Set Limit switches


30.

29.1

29.2

29.3

29.4

29.5

29.6

29.7

Each 24 VDC motordrive 31. Each Motordrive chain 32. Each 24 VDC trip coil 33.


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Each Indicating lamp (yellow cover) 34. Each Indicating lamp (red cover) 35. Each 24 VDC MULTI-LED bulb 36. Each Panel mounting base with dust cover and single

locking latch (phoenix HC-B6-AMLD)

37.

Each Panel mounting base with dust cover and single

locking latch (phoenix HC-B24-AFQD)

38.

Each Socket for plug-in control cables connection

(phoenix HC-B 24-A-UT-PER-M, with male insert)

39.

Each Socket for plug-in control cables connection

(phoenix HC-B 6-A-UT-PER-M, with male insert)

40.

Set Fixing accessories for mounting and operation (e.g.:

bail restraints, screws, dowels, etc.)


41.

41.1

41.2

41.3

41.4

41.5

41.6

41.7

41.8

41.9

Each Front panel for 3C switchgear 42. Each Front panel for 4C switchgear 43. Each Front panel for 5C switchgear 44. Each Front panel for 2C+1T switchgear 45. Each Front panel for 2C+2T switchgear 46. Each Front panel for 3C+1T switchgear 47. Each Front panel for 3C+2T switchgear 48. Each Front panel for Cable cubicle C1, C2, ….C5

(In case of individual front panel for each cable

cubicle)

49.

Each Front panel for Transformer cubicle T1, T2

(In case of individual front panel for each

Transformer cubicle)

50.

Each Gasket for gas refill opening 51.


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Set Inspection window (including gaskets, glue, screws

etc.) - if exists


52.

50.1

50.2

50.3

50.4

50.5

Set Interlocking system for cable cubicle


51.1

51.2

51.3

51.4

51.5

Set Interlocking system for trafo cubicle


52.1

52.2

52.3

52.4

52.5

Grease for gaskets 55. Grease for contacts and mechanical parts 56.

Date: ___________________ Bidder's Signature: ________________


(*) Remark:

The Bidder shall fill-in supplementary spare parts which are exclusive for the proposed

switchgear.


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Appendix "H"


Page No. 131 of 154

APPENDIX "H"

List of Subcontractors for Materials, Services and Parts


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Appendix "H" Issued date: 30/07/2018

Page No. 132 of 154

List of Subcontractors for Materials, Services and Parts (to be filled-in by the Bidder)

Bid No.: ___________________

No. Materials, services, parts

subcontracting

Name of

subcontractor

(*)

Manufacturer's

country of

origin

Local Israeli

content

(%)

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

Remark:

(*) Preliminary Report of the Audit performed by the Contractor at the Subcontractor facilities (see

also clause 12.2 in this Specification).

Date: ___________________ Bidder's Signature: ________________



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Appendix "I"


Page No. 133 of 154

APPENDIX "I"

Required Schedule up to Prototype Approval


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Appendix "I"


Page No. 134 of 154

Required Schedule up to Prototype Approval (after notification of award)

Bid No.: ______________

Week

No. STAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

1.

Submitting of the drawings and all the documents as required in clause

12.4.3 of this specification and Q.A.and Q.C. procedure of the required

equipment

2. Israel Electric Corp. approval for the above documents.

3. Completion or modification of the above documents (if necessary),

submitting of mounting and operating instruction in Hebrew.

4.

In case of a know-how agreement confirmation by know-how supplier

that the local manufacturer is able to manufacture and test the equipment

according to our specification.

5. Israel Electric Corp. approval of the above documents after clarifications.

6.

a. Preliminary prototype approval of the equipment together with the

simulator, Operating Label and frame base.

b. Performance of the required type tests and Special tests (as per

clauses 7.1 and 7.3 of this specification.) and submitting of the Type

Test reports


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for SF6 Insulated Switchgear for


Appendix "I" Issued date: 30/07/2018

Page No. 135 of 154

Week

No. STAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

7. Final Prototype approval.

8.

Submitting to the Israel Electric Corp. 4 (four) copies of each Routine

Tests Report as required in clause 7.2 per our Spec. after final approval

of the Prototype but prior to delivery of the rest of equipment.

Proposer Signature _________________________ Please note reservation (if any) _________________________________


Marketing Division




Appendix "J"


Page No. 136 of 154

APPENDIX "J"

Specification EPD-3 for Control Cubicles Wiring

Standard Requirements

137 Appendix "J" of spec. NPS-210/6


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Appendix "K"


Page No. 148 of 154

APPENDIX "K"

Procurement Quality Requirements

149 Appendix "K" of spec. NPS-210/5

SPECIFICATION NPS - 210/6 FOR SF6 INSULATED SWITCHGEAR …

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