Underground Distribution Construction Manual Version 25 · 2021. 1. 18. · Old contract - RMU &...

© Energex Limited 2020 ABN 40 078 849 055

MANUAL 00305

Underground Distribution Construction Manual

Section E2 – Padmount Transformers

Approved by: A. Bletchly

This drawing must not be

C COPYRIGHT 2019 ENERGEX

whole without writtenpermission from ENERGEX

reproduced in part or

UNDERGROUND DISTRIBUTION CONSTRUCTION MANUAL

ORIGIN

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DATE

APP’D

SECTION SUB-SECT.

CAD

RECD

CKD

DWN

SHT OF

FILE

ELECTRICAL

PADMOUNT TRANSFORMERS

SECTION INDEX

6229-A4 E

E2 01 1

UDC-E2-0-1E.DWG

R. ENGLISH

10/10/08

P.BARNEY

F.AMANPOORA

SECTION E2 - PADMOUNT TRANSFORMERS

ELECTRICAL

DA

TE

APP

D

CK

D

DR

NE03.0

4.19

A. BLET

CHL

Y

B. B

RU

NS

MA

NN

T. B

OR

G

2.13 & 4.6 A

DDE

D

SUB-SECT DESCRIPTION SHEETS

TECHNICAL DATA

1.1 Padmount, ground & dry type - stock code information 3

1.2 3Line diagram - rectangle & square

1.3 6

1.4 1

1.5 1

1.6 Old contract - repairs components 1

Old contract transformer stock code & line diagrams

Old contract rectangular - ancillary materials

Rectangular - build-up requirements - C & I

1.7 1

1.8 1

1.9 1

Rectangular - HV phase connections

Old contract - 11kV & LV separate earthing & GPO

Old contract - RMU & switchgear outlines - ABB / Andelect

1.10 1

1.11 1

RMU switchgear - ABB Safelink & Areva FBX

Square - fuse selection

SUB-SECT DESCRIPTION SHEETS

2.1 3

2.2 3

2.3 1

2.4 1

2.5 1

2.6 1

2.7 1

2.8 1

2.9 1

2.10 1

2.11 1

LV SWITCHBOARDS

2.12 1

2.13 1

Wilson PMT’s - contract C08008

Old contract 100kVA - ABB PMT

Old contract 200kVA - ABB PMT (C1/94)



Old contract 200kVA - ABB PMT (QESI 30/98)





Paralleling cable up to 240mm† - ABB

Summary of switch sizes for loads

Miscellaneous items - LV monitoring & CFI

EARTHING

4.1 1

4.2 1

4.3 1

4.4 1

4.5 1

4.6 1

Square type - common earth arrangement

Square type - separate earth arrangement

Rectangular type - common earth arrangement

Rectangular type - separate earth arrangement

Dual square type - common earthing arrangement

Dual square type - separate earth arrangement

Uncontrolled Document When Printed






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ELECTRICAL


TECHNICAL DATAOLD CONTRACT TRANSFORMER STOCK CODES & LINE DIAGRAMS

6229-A4 B

E2 1.31 6

UDC-E2-1.3-1B.DWG

R.ENGLISH

10/10/08

P.BARNEY

D.GOSDENA

The following table lists 11000/433-250V three phase Padmounted, Ground type and Dry type Distribution

Transformers previously were available from ABB and Wilson Transformers under Contract CK18. CK18 NOT CURRENT.

Dry Type *Separate Stock Codes for Top Entry and Bottom Entry Dry Types exist (i.e. for separate gland plate template arrangements)

Air Box HV, Bushing LV, Top or bottom cable entry, 7 tap, 6.25%Z150017025



Ground Type

Rectangular Type, LV isolator only, HV ABB Safelink CFC (SF6) RMU, 7 tap 5.0%Z100019470

Rectangular Type, Full LV switchboard, HV ABB Safelink CFC (SF6) RMU, 7 tap 5.0%Z75019469



Square Type, LV isolator only, HV ABB Safelink CFC (SF6) RMU, 7 tap 5.0%Z100018701

Square Type, Full switchboard, HV ABB Safelink CFC (SF6) RMU, 7 tap 5.0%Z75019312



Padmounted

Rating(kVA) DescriptionStock Code

Epoxy encapsulated with IP21 enclosure, Top cable entry, 7 tap, 6.0%Z150020685

Epoxy encapsulated with IP21 enclosure, Bottom cable entry, 7 tap, 6.0%Z100020689









DA

TE

APP

D

CK

D

DR

NB2/8/11

R. E

NGLIS

H

D. T

AY

LO

R

A. S

YM

ON

DS

NE

W C

ONT

RA

CT ITE

MS &

ST

OC

K C

ODES.

OL

D C

ONT

RA

CT D

ET

AIL

S

MO

VE

D T

O S

UB-SECT 1.3

OBSOL

ETE






ORIGIN

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APP’D

SECTION SUB-SECT.

CAD

RECD

CKD

DWN

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ELECTRICAL


TECHNICAL DATARECTANGULAR - HV PHASE CONNECTIONS

6229-A4 B

E2 1.71 1

UDC-E2-1.7-1B.DWG

R. ENGLISH

10/10/08

P.BARNEY

D.GOSDENA

11kV underground cable is to be connected to the RING MAIN UNIT, it isFUTUREWhere

prefered that the first cable shall be connected to the RIGHT HAND SIDE CABLE BOX

and the cable box on the LEFT shall be kept free for future cable.

CABLE

AREA HV FEEDER

BRISBANE METRO

PHASE CONNECTION SEQUENCE BETWEEN HV EQUIPMENT AND CABLES

11kv FUSE UNIT

HV SWITCHGEAR-TERMINAL MARKINGS

11kV UNDERGROUND CABLING

TERMINAL MARKING

TRANSFORMER

HV RMU/FU AND

W (C)x

U (A)x

V (B)x

V

11kV RING MAIN UNIT

V

U

U

W

U

V

W

V

W

U

W U V W VU W

TERMINALS

FEEDER CABLE

REGIONAL AREAS HV

B

A

C

C

B

A

W

11kV TRANSFORMER

W

V

U

W

U V W

V

U

U V

CA B

New markings supplied with equipment

as per Australia Standard

DA

TE

APP

D

CK

D

DR

NBA.

BLET

CHL

Y

B.

BR

UNS

MA

NN

T.

BO

RG

Dra

win

g no

w obsolete

OBSOLE

TE

08.10.2020






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ELECTRICAL


LV SWITCHBOARDSOLD CONTRACT 200kVA - ABB PMT (QESI 30/98)

6229-A4 C

E2 2.61 1

UDC-E2-2.6-1C.DWG

R. ENGLISH

10/10/08

P.BARNEY

D.GOSDENA

LV Isolating Switch-Disconnector

GENERAL INFORMATION

Maximum Demand Indicator

LV Circuit Fuses

Front View

Current Transformers

LV Circuit Fuse-Switch

LV Circuit Fuse-Switch

LV Isolating Link

MATERIAL ITEMS

QESI 30/98

ISOLATOR

TRANSFORMER

W

V

U

Various

4529

4527

4523

4529

STOCK CODE

5A ALSTOM3

As ReqdAs Reqd ENERGEX

QUANTITY

300/5

630A

400A

630A

630A

SIZE

2

3

1

3

1

SUPPLIER

ABB

ABB

ABB

ABB

ABB

End View

630

A

Line Diagram

**/400

A

**/400

A

**/630

A

BL

AN

K

DA

TE

APP

D

CK

D

DR

NB5/09/11

R. E

NGLIS

H

D. T

AY

LO

R

A. S

YM

ON

DS

AD

D O

LD C

ONT

RA

CT T

EX

T

TO TIT

LE.

DA

TE

APP

D

CK

D

DR

NCA. Bletchly

08/10/2020

B. Bruns

mann

T. Borg

File na

me c

orrected fro

m

6.2 t

o 2.6






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ELECTRICAL


MISCELLANEOUS ITEMSLV MONITORING & CABLE FAULT INDICATORS

6229-A4 B

E2 2.131 1

UDC-E2-2.13-1B.DWG

J.LANSLEY

20/8/15

-

-

P.RELFA

SC223644G Antenna -

SC24901EDMI meter panel -

SC24888Current sensor panel - 5.

detailed in Technical Instruction TSD0181.

Mounting locations for meter, transducer box and current sensors are 4.

auxiliary board (If auxiliary board not fitted - install new board).

On a rectangular padmount, voltage supply to come from 100A fuses off 3.

spare circuit or piggy backed off existing circuit.

On square padmounts, voltage supply to meter to come from either a 2.

Instruction TSD0181.

padmount transformers. Refer to Engineering Standards Technical

monitoring can be retrofitted to both rectangular and square LV1.

LV MONITORING

SC22614Leelen DJ-3100

UGMAT42SC20109Horstmann OPTO-E 3.04.

cancel the effects of induced current in screen wires.

For the earth fault CT the screen wires shall be fed back through the CT to 3.

NoAuto-reset

4 hrsReset time

200msTime delay

40AEarth fault current rating:

800APhase fault current rating:

Unless otherwise advised, the following settings shall be applied to all CFIs:

TSD0140.

Standards Technical Instruction Triplex cable - refer to Engineering

2. For further information on cable fault indicators including installation to

padmount transformers.

Cable fault indicators to be fitted to RHS isolator on each RMU in new 1.

CABLE FAULT INDICATORS

PHASE & EARTH FAULT CT POSITION EARTH FAULT CT POSITION

sensorPhase fault CT

sensorEarth fault CT

B

indicator notes

to cable fault

Triple

x cable added

A.

BLET

CHL

Y

B.

BR

UNS

MA

NN

T.

BO

RG

APP’D

CK

D

AT

HR

DA

TE

23.01.19


ORIGIN

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APP’D

SECTION SUB-SECT.

CAD

RECD

CKD

DWN

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ELECTRICAL


EARTHINGSQUARE TYPE - SEPARATE EARTH ARRANGEMENT

6229-A4 E

E2 4.21 1

UDC-E2-4.2-1E.DWG

R. ENGLISH

10/10/08

P.BARNEY

D.GOSDENA





NOTES:

PLAN

Footp

ath

rods if requiredAdditional earth

HV

LV

(4 of)

Earth Rods

HV Earth Grid

6

"C" CLAMP CONNECTION

rod

Bend cable tosuit the earth

11

1

2

Detail

1

Earth Rod

1

2

7

5

3

6

2

10 ohm

DISCONNECTED

MAX.

LV EARTH

LV NEUTRAL

LV Earth

N

Grid

Earth

10 ohmMAX.

DISCONNECTED

EARTH GRID

Neutral Bar

LV Earth

Earth Bar

Transformer

Bar

11. Modify LV EARTH BAR, Remove GPO & attach

5. Fence as required for residential areas and sloping

padmount footprint.

1. Attempt to locate separately earthed padmounts in

3. The clearance zone shall be road reserve or an

6. HV earth electrodes are to be contained within the

4. The clearance zone shall be turfed or landscaped

clearance zone from the edge of the plinth. Clearance2. For SEPARATE LV & HV earthing provide a 5m

20001300

9

8

ARBentonite/Gypsum (20kg)11

QTY

16

12

1

2

Cu Clad Earth Rod1440 x 13mm

Earth Rod Coupling Pin

DESCRIPTIONITEM

40m

4

32m

8

4

20m

1

1

DSPMSEGS

3

5

4

6

7

Cable to Rod

Cable to Cable

cover strip

Cu Crimp "C" Connector


Crimp Lug 70mm M12 Hole

19/2.14mm Bare Cu Cable

8

9

10

Installations

Separate LV Earth Bar

19/2.14mm PVC Cu Cable

Modification Kit (DSTFRSEN)

COMPATIBLE UNIT:-

Signs for Separate Earth

Polymeric cable protection

zone to be maintained free from metallic objects,

buildings and structures - including foundations.

with mulched beds and shrubs.

areas remote from residential dwellings.

easement to prevent encroachment.

sites.

"CAUTION LABEL"

of 100mm above all earthing not beneath the

9. Polymeric cover strip shall be installed a minimum

8. Earth grid to be 500mm below ground level.

Clearance Zone

LV Earth

ELEVATION

HV(MEN)

- Earth ConnectionELEVATION

minimum of 200mm clear separation.

10. When LV and HV earth systems cross maintain a

R.P. STREET ALIGNMENT

Grid

CODE

STOCK

-

15983

08351

12953

12952

15345

06260

07053

06144

22946

17322

17954

12 "STATION EARTH" TAG 2 06425

7. Two earthwires from the earth grid to be connected to the transformer earth bar.

to be connected toHV earth grid

2076

300 1000

5600

8900

962

962

12600

1

Min5m

HV Earth Grid

outside of clearance zone, are to be insulated.

12. Both HV and LV Earth cables, running to and

site.

8

8

8

DA

TE

APP

D

CK

D

DR

NE06.0

1.20

A. BLET

CHL

Y

B. B

RU

NS

MA

NN

T. B

OR

G

EA

RT

H C

ON

NECTIO

N

DIA

GR

AM A

LTERE

D

4

2

1

5mMin

5mMin

5mMin


ORIGIN

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APP’D

SECTION SUB-SECT.

CAD

RECD

CKD

DWN

SHT OF

FILE

ELECTRICAL


EARTHINGDUAL SQUARE TYPE - SEPARATE EARTH ARRANGEMENT

6229-A4 B

E2 4.61 1

UDC-E2-4.6-1B.DWG

J.LANSLEY

10/5/17

L.LIM

P.RELFA

6

"C" CLAMP CONNECTION

rod

Bend cable tosuit the earth





rods if required

Additional earth

1

Clearance Zone

to be connected to

HV earth grid

5m

Min

Min

5mFootpath

HV

LV Earth Bar

Neutral BarLV

8

5

16600

7

Alignment

R.P. Street

130020001300

8900

300

HV

Earth Grid

Earth Bar

Transformer

PLAN

HV

LV Earth Bar

Neutral BarLV

8

3 64

1

4300

4300

962

2076

962

962

2076

962

4300

NOTES:

11

1

2

Detail

1

Earth Rod

1

2

10 ohm

DISCONNECTED

MAX.

LV EARTH

LV NEUTRAL

LV Earth

N

Grid

Earth

10 ohmMAX.

DISCONNECTED

EARTH GRID

Neutral Bar

LV Earth

Earth Bar

Transformer

Bar

11. Modify LV EARTH BAR, Remove GPO & attach

5. Fence as required for residential areas and sloping

footprint.

1. Attempt to locate separately earthed padmounts in

3. The clearance zone shall be road reserve or an

6. HV earth electrodes are to be contained within the

4. The clearance zone shall be turfed or landscaped with

clearance zone from the edge of the plinth. Clearance

2. For SEPARATE LV & HV earthing provide a five metre

ARBentonite/Gypsum (20kg)11

QTY

16

12

1

2

Cu Clad Earth Rod1440 x 13mm

Earth Rod Coupling Pin

DESCRIPTIONITEM

40m

4

32m

8

4

20m

1

1

DSPMSEGS2

3

5

4

6

7

Cable to Rod

Cable to Cable

cover strip



Crimp Lug 70mm M12 Hole

19/2.14mm Bare Cu Cable

8

9

10

Installations

Separate LV Earth Bar

19/2.14mm PVC Cu Cable

Modification Kit (DSTFRSEN)

COMPATIBLE UNIT:-

Signs for Separate Earth

Polymeric cable protection

zone to be maintained free from metallic objects,

buildings and structures - including foundations.

mulched beds and shrubs.

areas remote from residential dwellings.

easement to prevent encroachment.

sites.

"CAUTION LABEL"

100mm above all earthing not beneath the padmount

9. Polymeric cover strip shall be installed a minimum of

8. Earth grid to be 500mm below ground level.

ELEVATION

HV(MEN)

- Earth ConnectionELEVATION

minimum of 200mm clear separation.

10. When LV and HV earth systems cross maintain a

STOCK CODE

-

15983

08351

12953

12952

15345

06260

07053

06144

22946

17322

17954

12 "STATION EARTH" TAG 2 06425

7. Two earthwires from the earth grid to be connected to

the transformer earth bar.

of clearance zone, are to be insulated.

12. Both HV and LV Earth cables, running to and outside

site.

2

1

B

& Earth grid added

RP Street

Align

ment

A.

BLET

CHL

Y

B.

BR

UNS

MA

NN

T.

BO

RG

APP’D

CK

D

AT

HR

DA

TE

23.01.19

8

LV

Earth Grid

Min

5m

Min

5m

Alignment

R.P. Street

8

Underground Distribution Construction Manual Version 25 · 2021. 1. 18. · Old contract - RMU &...

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Transcript of Underground Distribution Construction Manual Version 25 · 2021. 1. 18. · Old contract - RMU &...