TRANSMISSION MATERIALS STANDARD SPECIFICATION 11-TMSS-02...

PAGE NO. 2 OF 3411TMSS02R0/AAG

Date of Approval: May 30, 2006

11-TMSS-02, Rev. 0TRANSMISSION MATERIALS STANDARD SPECIFICATION

TABLE OF CONTENTS 1.0 SCOPE 2.0 CROSS REFERENCES 3.0 APPLICABLE CODES AND STANDARDS 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.1 General 4.2 Design Criteria 4.3 Materials 4.4 Fabrication 4.5 Marking 5.0 TESTS 5.1 Routine and Type Tests 5.2 Production Sampling Tests 6.0 PACKING AND SHIPPING Figure 1 : Cross-Section of XLPE Insulated 110 kV, 115 kV, 132 kV, 230 kV or

380 kV Power Cable (Typical) Figure 2 : Reel Making Locations

7.0 DATA SCHEDULE

7.1 110 kV/115 kV XLPE POWER CABLE 7.2 132 kV XLPE POWER CABLE 7.3 230 kV XLPE POWER CABLE 7.4 380 kV XLPE POWER CABLE




1.0 SCOPE This Transmission Material Standard Specification (TMSS) specifies the minimum technical

requirements for design, engineering, manufacture, inspection, testing and performance of XLPE insulated, single core, Copper power cable, rated 110 kV, 115kV, 132kV, 230kV or 380kV intended to be used in the Transmission System of Saudi Consolidated Electric Company, Kingdom of Saudi Arabia.

2.0 CROSS REFERENCES 2.1 This Transmission Material Standard Specification shall be read in conjunction with

the Transmission General Specification No. 01-TMSS-01, titled "General Requirements for All Equipment/Materials", which shall be considered as an integral part of this TMSS.

2.2 This TMSS shall also be read in conjunction with Transmission Business Unit

(TBU) of SEC Purchase Order or Contract Schedule for project, as applicable. 3.0 APPLICABLE CODES AND STANDARDS The latest revisions of the following Codes and Standards shall be applicable for the

equipment/material covered in this TMSS. In case of conflict, the vendor/manufacturer may propose equipment/material conforming to one group of Industry Codes and Standards quoted hereunder without jeopardizing the requirements of this TMSS.

3.1 IEC 60228 Conductors of Insulated Cables 3.2 IEC 60502 Extruded Solid Dielectric Insulated Power Cables for Rated

Voltage from 1kV to 30kV 3.3 IEC 60840 Power Cables with Extruded Insulation and Their Accessories

for Rated Voltages Above 30kV (Um = 36kV) up to 150kV (Um=170kV)- Test Methods and Requirements.

3.4 IEC 60949 Calculation of Thermally Permissible Short-Circuit Currents,

Taking into Account Non-Adiabatic Heating Effects 3.5 IEC 62067 Power Cables with Extruded Insulation and Their Accessories

for Rated Voltages Above 150kV (Um = 170kV) up to 500kV (Um=550kV) - Test Methods and Requirements.

3.6 ICEA P-45-482 Short Circuit Performance of Metallic Shields and Sheaths of

Insulated Cable 3.7 ICEA S-66-524 Cross-Linked - Thermosetting Polyethylene - Insulated Wire

and Cable for the Transmission and Distribution of Electrical Energy




3.8 ICEA S-108-720 Extruded Insulation Power Cables Rated above 46kV Through 345kV.

3.9 AEIC CS7 Specifications for Cross-Linked Polyethylene Insulated

Shielded Power Cables Rated 69kV Through 138kV 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.1 General 4.1.1 The XLPE insulated power cable, rated 110 kV, 115 kV, 132 kV, 230kV or

380 kV shall meet or exceed the requirements of this Specification in all respects.

4.1.2 Manufacturer's drawings, as required by 01-TMSS-01 shall show the outline of

the power cable, together with all pertinent dimensions. Any variations in these dimensions due to manufacturing tolerances shall be indicated.

4.2 Design Criteria 4.2.1 The power cable rated 110 kV, 115 kV, or 132 kV shall be manufactured in

accordance with AEIC CS7 and tested in accordance with IEC 60840. For 230 kV or 380 kV power cables, they shall be manufactured in

accordance with ICEA S-108-720 and tested in accordance with IEC 62067. 4.2.2 The power cable, rated 110 kV, 115 kV, 132 kV, 230 kV or 380 kV shall be

designed for ambient temperature conditions specified in 01-TMSS-01.

4.2.3 The cable conductor temperature shall not exceeds the following:

Rated Voltage (kV)

Insulation Normal Operation

Emergency Overload

Short Circuit

110, 115 or 132 XLPE 90°C 105 to 130°C 250°C 230 or 380 XLPE 90°C 105°C 250°C

4.2.4 The construction of the cable shall be essentially as shown in Figure 1. The ratings and dimensions of 110 kV, 115 kV, 132 kV, 230 kV or 380 kV

power cable shall be as indicated in Data Schedules. 4.3 Materials 4.3.1 Conductor The conductor shall be segmental or non-segmental, round, compacted,

shaped or circular stranded copper class 2 per IEC 60228. For 110 kV, 115 kV or 132 kV power cable, conductor sizes shall be 400,

630, 800, 1000, 1200, 1600 and 2000 mm².




For 230 kV or 380 kV power cable, conductor sizes shall be 630, 800, 1000,

1200, 1500, 2000 and 2500 mm² The conductor construction shall be as specified in Table-1 below: Table-1

Conductor Size (mm²) Conductor Construction 400, 630, 800, 1000 Segmental or non-segmental 1000, 1200, 1500, 1600, 2000, 2500

Segmental

4.3.2 Conductor Shield The conductor shield of cable shall consist of an extruded black

thermosetting semi-conducting material compatible with the conductor and the XLPE insulation.

A conductor moisture impervious layer (longitudinal water barrier) shall be

applied between the conductor and the specified extruded semi-conducting layer.

The outer surface of the conductor shield shall be cylindrical and shall be

firmly bonded to the overlying insulation. The extruded shield shall be easily removable from the conductor.

The average thickness and minimum thickness of the conductor shield shall

be as indicated in the Data Schedules. 4.3.3 Insulation The insulation shall be super clean cross-linked polyethylene (XLPE). The average thickness and minimum thickness of the insulation shall be as

indicated in the Data Schedules. 4.3.4 Insulation Shield The insulation shield shall consist of an extruded black thermosetting semi-

conducting material compatible with the XLPE insulation. The average thickness and minimum thickness of the insulation shield shall

be as indicated in the Data Schedules. 4.3.5 Metallic Sheath The metallic sheath shall consist of a seamless tube of corrugated aluminum

or extruded lead alloy or copper wire and copper tape.




For power cables to be installed below water table level, extruded lead alloy sheath shall be provided over the insulation shield.

For power cables to be installed above water table level, the sheath shall be

extruded lead alloy or seamless tube of corrugated aluminum or copper wire and copper tape.

IEC 60949 or ICEA Publication P-45-482 shall be used by the manufacturer

to determine the effective cross-sectional area of the metallic sheath and its short circuit current carrying capability.

4.3.6 Moisture Impervious Layers The moisture impervious layers shall consist of the following: a. First Layer (longitudinal water barrier) - a layer of semi-conductive

water blocking tape or powder between the insulation shield and the metallic sheath. The thickness of this first moisture impervious layer shall be independent of that of the extruded insulation shield.

b. Second Layer (longitudinal water barrier) - a layer of semi-conductive

water blocking tape or powder between the metallic sheath and the jacket.

4.3.7 Jacket The jacket material shall be black linear low density polyethylene (LLDPE)

or linear medium density polyethylene (LMDPE) or high density polyethylene (HDPE) tested per IEC 60502. The LLDPE or LMDPE jacket shall be ultra violet ray resistant. A suitable binder tape may be applied between the moisture impervious layer and the jacket.

The average and minimum thickness of the jacket shall be as indicated in the

Data Schedules. 4.3.8 Conductive Layer A conductive layer shall be applied over the jacket to serve as an electrode

for testing the integrity of the jacket. 4.4 Fabrication 4.4.1 The conductor shield, cross-linked polyethylene insulation and insulation

shield shall be extruded by the triple extrusion method to assure homogeneity between the insulation and the semi-conducting shields.

The insulation shield shall be bonded firmly and continuously to the

insulation. 4.4.2 The cross-linking process shall be by the dry cure dry cooling method.




4.4.3 The power cable shall be free of material and manufacturing defects which would prevent it from meeting the requirements of this Specification.

4.5 Marking 4.5.1 The jacket for all the cables shall be marked by embossing in Arabic and

English at intervals not exceeding one meter with the following minimum information:

a. Electric Cable b. Voltage designation, 110 kV, 115 kV, 132 kV, 230 kV or 380 kV c. Type of insulation, XLPE d. Insulation thickness, mm e. Conductor cross-sectional area, mm² and material f. The manufacturer's name or trademark g. Year of manufacture h. Cumulative length at every one meter with the highest length mark on

the outer end of the cable. 4.5.2 All cables shall be marked with “ Property of Saudi Electricity Company” in

both Arabic and English. 4.5.3 Marking by matrix print is not acceptable. 5.0 TESTS All tests results shall be provided for review and acceptance by TBU. 5.1 Routine and Type Tests 5.1.1 For 110kV, 115 kV or 132 kV power cable, routine and type tests per AEIC

CS7 or IEC 60840 are acceptable.

For 230 kV or 380 kV power cable, routine and type tests shall be as per IEC 62067.

5.1.2 Water penetration test shall be conducted on the cable in accordance with the

requirements of IEC 6840 or IEC 62067. 5.1.3 The completed reeled cable partial discharge test data shall be submitted on a

printout shut of an X-Y recorder showing the partial discharge curve of each cable.

5.2 Production Sampling Tests 5.2.1 Production sampling tests shall be conducted on the cable in accordance with

the requirements of AEIC CS7 or ICEA S-108-720. 5.2.2 Production quality requirements for the insulation and semi-conducting

shields shape as per AEIC CS7.




6.0 PACKING AND SHIPPING In addition to the applicable items per 01-TMSS-01, packing and shipping of the cable shall

conform to the following : 6.1 The cable ends shall be sealed with a waterproof, heat shrinkable plastic or

elastomeric end cap with adhesive type sealing compound. Cable ends shall be properly secured to the reel.

6.2 The cable shall be delivered without splices, on standard sized non-returnable steel

drums of sturdy construction properly packed and lagged externally to prevent the cable from possible damage to the cable during transportation. Wood lagging shall be used and have a minimum thickness of 50mm. The wood lagging shall also be secured with steel straps to provide physical protection for the cables during transit and during customary storage and handling operations.

6.3 The arbor hole for wooden reel shall be reinforced with galvanized steel plates. The minimum diameter of the drum of the shipping reel shall not be less than the

minimum bending diameter of the power cable. 6.4 Reel Markings 6.4.1 Cable reels/drums shall be marked in legible and indelible letters giving the

following particulars: a. Cable voltage and conductor size b. Type of cable c. Length and weight of cable on reel d. Gross weight e. Dimensions of reel f. Direction of Pulling g. Manufacturer's name and country of origin h. Purchase Order number i. J.O. number/Contract number (if applicable) j. Serial number of reel k. stock number in 10 cm high bold numerals. l. Direction of rolling of reel m. 11-TMSS-02 Reel marking locations shall be as shown in Figure 2. 6.4.2 All markings shall appear on both sides of the reel. 6.4.3 Cable reel identification shall include any additional information as required

by the Company shipping instructions.




7.0 DATA SCHEDULE

110kV/115kV, XLPE POWER CABLE

SEC Enquiry No. Date: SEC Purchase Order No.

Date:

or Contract No. SEC PTS No./Project Title with J.O. No. REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 3.0 APPLICABLE CODES AND STANDARDS Reference Manufacturing Standard AEIC 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.2 Design Criteria/Rating a. Cable Nominal Voltage, kV 110/115 b. System Short Circuit Current, kA 40 c. Maximum conductor short circuit current

temperature, °C 250

4.2 d. Maximum permissible continuous conductor temperature, °C 90

e. Emergency Loading • Maximum emergency conductor

loading temp.,°C 105

• Permissible Load in Amps, A * • Allowable loading duration; hrs

i) During any 12 months 72 ii) During the life of the cable 1500 4.3 Material Details : 4.3.1 Conductor : Material Copper

'A' - TBU SPECIFIED DATA/PARAMETERS 'B' - BIDDER/SUPPLIER/VENDOR/CONTRACTOR PROPOSED DATA/ PARAMETERS 'C' - REMARKS SUPPORTING THE PROPOSED DEVIATION IN COLUMN 'B' (*) - DATA/PARAMETER TO BE PROVIDED/PROPOSED BY THE

BIDDER/SUPPLIER/ VENDOR/CONTRACTOR IN COLUMN 'B'




7.0 DATA SCHEDULE

110kV/115kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' Conductor for stranding

(Non-segmental/segmental) *

No. of strands * Dia. of strand prior to compaction, mm * Cross-sectional area, mm² (400, 630, 800,1000, 1200, 1600 or 2000) Diameter, mm * Resistance at 25°C, Ω/km * Conductor AC resistance at 20°C * Conductor DC resistance at 20°C * Temp. coefficient at 20°C/°C * Skin effect loss factor (ks) * Proximity effect loss factor (kρ) * DC resistance at 90°C, Ω/km * Short circuit capability of conductor in kA

for 1 second starting with 90°C conductor temperature up to max. short circuit current temperature

40

4.3.2 Conductor shield: Material SEMICON Average thickness, mm 400mm² 0.64 800 to 2000mm² 0.76 Minimum thickness, mm 400mm² 0.512 800 to 2000mm² 0.608




7.0 DATA SCHEDULE

110kV/115kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' Dia. over conductor shield, mm * Thermal resistivity, K.m/W * Conductor Moisture Impervious layer

Material Semi-Conducting

Tape

4.3.3 Insulation: Material SUPER

CLEAN XLPE Average thickness, mm 20.32 Minimum thickness, mm 18.288 Diameter over insulation, mm * Thermal resistivity, K.m/W * Relative permittivity or

dielectric constant (ε) *

Loss factor (δ ) * Specific Resistance, MΩ-km

(Actual Test Value) *

4.3.4 Insulation shield: Material SEMICON Average thickness, mm 1.75 Minimumn thickness, mm 1.40 Diameter over insulation shield, mm * Thermal resistivity, K.m/W * 4.3.5 Metallic shield: Material Total effective cross-sectional area mm² * Diameter over metallic shield, mm * Temp. coefficient at 20°C,/°C * DC resistance at 20°C, Ω/km * AC resistance at 20°C Ω/km * Self inductance, mH/km * AC resistance at 90°C DC resistance at 90°C Resistivity at 20°C Short circuit capability in kA for 1 second

of the metallic shield starting with 90°C conductor temperature :

40




7.0 DATA SCHEDULE


REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 4.3.6 Moisture impervious layer (first layer): Material SEMI-CONDUCTIVE

SWELLING TAPE OR POWDER

Thickness, mm 0.12 Diameter over the layer, mm * Moisture impervious layer (second layer): Material SEMI-CONDUCTIVE


Thickness, mm 0.12 Diameter over the layer, mm * 4.3.7 Jacket: Material (LLDPE , LMDPE or HDPE) Average thickness, mm 3.95 Minimum thickness, mm 3.55 Overall cable diameter, mm * 4.3.8 Conductive layer : Material * Thickness, mm * 6.0 PACKING a. Total quantity required, m b. Are matched sets of cable reel length

required?

c. If "YES", how many reels are required per set?

d. Tolerance in cable length of matched reel sets

e. Conductor weight, kg/km * f. Cable weight, kg/km * g. Reel and cable weight, kg * h. Cable length per reel, m * i. Cable reel diameter, mm * j. Cable reel width, mm *




7.0 DATA SCHEDULE

110kV/115kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' OTHER REQUIRED INFORMATION a. Life expectancy of cable, years Over 30 b. 3-phase inductance in trefoil

formation, mH/km *

c. 3phase capacitance in trefoil

formation µF/km *

d. Maximum permissible overload in %

of 3 cables in underground cable duct trefoil formation, at 40°C soil temperature, for 1/2/3(I1-hour/ I2-hours/I3-

hours) hours starting with a prior loading of

I1-hour/ I2-hours/

I3-hours

I1-hour/ I2-hours/

I3-hours

50% * / / / / 75% 100%

e. Maximum pulling Tension (kN) * f. Maximum sidewall pressure, kN/m * g. Minimum bending radius, mm *




7.0 DATA SCHEDULE


ADDITIONAL TECHNICAL INFORMATION OR FEATURES TO BE FURNISHED BY SEC:

A.

ADDITIONAL SUPPLEMENTARY DATA OR FEATURES PROPOSED BY BIDDER/VENDOR/SUPPLIER/CONTRACTOR:

B.

OTHER PARTICULARS TO BE FILLED UP BY BIDDER/VENDOR/SUPPLIER/ CONTRACTOR:

B.

Actual Manufacturer

of Equipment/Material Vendor/Supplier/

Contractor Name of the Company Location and address Name and Signature of authorized epresentative

and date Official Seal/Stamp of the Company & Date




7.0 DATA SCHEDULE

132kV, XLPE POWER CABLE


Date:

or Contract No. SEC PTS No./Project Title with J.O. No. REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 3.0 APPLICABLE CODES AND STANDARDS Reference Manufacturing Standard AEIC 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.2 Design Criteria/Rating a. Cable Nominal Voltage, kV 132 b. System Short Circuit Current, kA 40 c. Maximum conductor short circuit current












7.0 DATA SCHEDULE

132kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' Conductor for stranding


No. of strands * Dia. of strand prior to compaction, mm * Cross-sectional area, mm² (400, 630, 800,1000, 1200, 1600 or 2000) Diameter, mm * Resistance at 25°C, Ω/km * Conductor AC resistance at 20°C * Conductor DC resistance at 20°C * Temp. coefficient at 20°C/°C * Skin effect loss factor (ks) * Proximity effect loss factor (kρ) * DC resistance at 90°C, Ω/km * Short circuit capability of conductor in kA


40

4.3.2 Conductor shield: Material SEMICON Average thickness, mm 400mm² 0.64 800 to 2000mm² 0.76 Minimum thickness, mm 400mm² 0.512 800 to 2000mm² 0.608




7.0 DATA SCHEDULE

132kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' Dia. over conductor shield, mm * Thermal resistivity, K.m/W * Conductor Moisture Impervious layer


Tape

4.3.3 Insulation: Material SUPER





4.3.4 Insulation shield: Material SEMICON Average thickness, mm 1.75 Minimum thickness, mm 1.40 Diameter over insulation shield, mm * Thermal resistivity, K.m/W * 4.3.5 Metallic shield: Material Total effective cross-sectional area mm² * Diameter over metallic shield, mm * Temp. coefficient at 20°C,/°C * DC resistance at 20°C, Ω/km * AC resistance at 20°C Ω/km * Self inductance, mH/km * AC resistance at 90°C DC resistance at 90°C Resistivity at 20°C Short circuit capability in kA for 1 second


40




7.0 DATA SCHEDULE

132kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 4.3.6 Moisture impervious layer (first layer): Material SEMI-CONDUCTIVE





required?







7.0 DATA SCHEDULE

132kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' OTHER REQUIRED INFORMATION a. Life expectancy of cable, years Over 30 b. 3-phase inductance in trefoil

formation, mH/km *


formation µF/km *




I1-hour/ I2-hours/

I3-hours

I1-hour/ I2-hours/

I3-hours

50% * / / / / 75% 100%





7.0 DATA SCHEDULE



A.


B.


B.

Actual Manufacturer







7.0 DATA SCHEDULE



Date:

or Contract No. SEC PTS No./Project Title with J.O. No. REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 3.0 APPLICABLE CODES AND STANDARDS Reference Manufacturing Standard ICEA 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.2 Design Criteria/Rating a. Cable Nominal Voltage, kV 230 b. System Short Circuit Current, kA 63 c. Maximum conductor short circuit current












7.0 DATA SCHEDULE



No. of strands * Dia. of strand prior to compaction, mm * Cross-sectional area, mm² (630, 800,1000, 1200, 1500, 2000 or 2500) Diameter, mm * Resistance at 25°C, Ω/km * Conductor AC resistance at 20°C * Conductor DC resistance at 20°C * Temp. coefficient at 20°C/°C * Skin effect loss factor (ks) * Proximity effect loss factor (kρ) * DC resistance at 90°C, Ω/km * Short circuit capability of conductor in kA


63

4.3.2 Conductor shield: Material SEMICON Average thickness, mm 1.0 Minimum thickness, mm 0.8 Dia. over conductor shield, mm * Thermal resistivity, K.m/W * Conductor Moisture Impervious layer


Tape




7.0 DATA SCHEDULE

230kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 4.3.3 Insulation: Material SUPER





4.3.4 Insulation shield: Material SEMICON Average thickness, mm 2.0 Minimum/Maximum thickness, mm 1.6 Diameter over insulation shield, mm * Thermal resistivity, K.m/W * 4.3.5 Metallic shield: Material Total effective cross-sectional area mm² * Diameter over metallic shield, mm * Temp. coefficient at 20°C,/°C * DC resistance at 20°C, Ω/km * AC resistance at 20°C Ω/km * Self inductance, mH/km * AC resistance at 90°C * DC resistance at 90°C * Resistivity at 20°C * Short circuit capability in kA for 1 second


63




7.0 DATA SCHEDULE






required?


e. Tolerance in cable length of matched reel sets





7.0 DATA SCHEDULE


formation, mH/km *


formation µF/km *




I1-hour/ I2-hours/

I3-hours

I1-hour/ I2-hours/

I3-hours

50% * / / / / 75% 100%





7.0 DATA SCHEDULE



A.


B.


B.

Actual Manufacturer







7.0 DATA SCHEDULE



Date:

or Contract No. SEC PTS No./Project Title with J.O. No. REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 3.0 APPLICABLE CODES AND STANDARDS Reference Manufacturing Standard ICEA 4.0 DESIGN AND CONSTRUCTION REQUIREMENTS 4.2 Design Criteria/Rating a. Cable Nominal Voltage, kV 380 b. System Short Circuit Current, kA 63 c. Maximum conductor short circuit current


d. Maximum permissible continuous conductor temperature, °C 90










7.0 DATA SCHEDULE



No. of strands * Dia. of strand prior to compaction, mm * Cross-sectional area, mm² (630, 800,1000, 1200, 1500, 2000 or 2500) Diameter, mm * Resistance at 25°C, Ω/km * Conductor AC resistance at 20°C * Conductor DC resistance at 20°C * Temp. coefficient at 20°C/°C * Skin effect loss factor (ks) * Proximity effect loss factor (kρ) * DC resistance at 90°C, Ω/km * Short circuit capability of conductor in kA


63

4.3.2 Conductor shield: Material SEMICON Average thickness, mm 1.0 Minimum thickness, mm 0.8 Dia. over conductor shield, mm * Thermal resistivity, K.m/W * Conductor Moisture Impervious layer


Tape




7.0 DATA SCHEDULE

380kV, XLPE POWER CABLE REFERENCE SECTION NO. DESCRIPTION 'A' 'B' 'C' 4.3.3 Insulation: Material SUPER





4.3.4 Insulation shield: Material SEMICON Average thickness, mm 2.0 Minimum thickness, mm 1.6 Diameter over insulation shield, mm * Thermal resistivity, K.m/W * 4.3.5 Metallic shield: Material Total effective cross-sectional area mm² * Diameter over metallic shield, mm * Temp. coefficient at 20°C,/°C * DC resistance at 20°C, Ω/km * AC resistance at 20°C Ω/km * Self inductance, mH/km * AC resistance at 90°C * DC resistance at 90°C * Resistivity at 20°C * Short circuit capability in kA for 1 second


63




7.0 DATA SCHEDULE






required?







7.0 DATA SCHEDULE


formation, mH/km *


formation µF/km *




I1-hour/ I2-hours/

I3-hours

I1-hour/ I2-hours/

I3-hours

50% * / / / / 75% 100%





7.0 DATA SCHEDULE



A.


B.


B.

Actual Manufacturer




TRANSMISSION MATERIALS STANDARD SPECIFICATION 11-TMSS-02...

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