Current Transformer Drawing and GTP for MSETCL

CLIENT:- CONTRACTOR: -
O2 POWER PRIVATE LIMITED VAIBHAVI ELECTRICALS
“132KV Sub-Station” for 100MW Buldhana Motala
Maharashtra State Project
1) Document Name: 132kV CT – DRAWINGS AND GTP
2) O2 Power Document No: O2PPL-MOTALA-MH-SY-100MW-E-DWG-CT-1201
O2 Power Document No: O2PPL-MOTALA-MH-SY-100MW-E-GTP-CT-1202
For Information For Proposal/Purchase For Design
For Approval √ For Construction As
Built
Sr. No. Rev No. Date Detail of Revision Remark
1 R1 20/08/2019 For Approval These drawings
reviewed & confirmed
by PG Associates.
2 R4 30/01/2024 For Approval
3
AVJ TT KGK
Prepared By Checked By Approved By
Copyright
All rights reserved. No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other
electronic or mechanical methods, without the prior written permission of the publisher, except in the case of brief quotations embodied in critical reviews and certain
other non-commercial uses permitted by copyright law. For permission requests, write to the publisher, addressed “Attention: Permissions Coordinator,” at the address
below
O2 Power PVT LTD

General Arrangement Drg.
Rating Plate & Connection Diagram Drg.
Secondary Box Drg.
Porcelain Insulator Drg.
Primary & Secondary Terminal Drg.
Bill of Material
Sr.
1
2
3
4
5
6
7
8
Cross Sectional View Drg.
HOD
Prepared by :
Document No. : Date of Issue
Appd By :
Rev. :
Page 1 of 1
14-05-2017
LIST OF DRAWINGS
TITLE DRG. NO.
no
ITEM :- 132kV CURRENT TRANSFORMER
PR-5444
Revision
Oil Level Ind., Oil Drain Plug & Nitrogen Valve,PRD
9 Packing Drg. P.F.No- 038
PRO-6023
PRO-6580
PRO-2108
PRO-1701
PRO-2136
PRO-2137
RP-8419
RATIO : 600/1-1-1-1 A

SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
PRAGATI ELECTRICALS PVT. LTD.
MINOR MOIFICATIOS WITHOUT NOTICE.
ALL DIMENSIONS IN MM
THE COPYRIGHT OF THESE DRAWINGS AND OF ALL
ANNEXES WHICH ARE ENTRUSTED TO A PERSON'S CARE
ALWAYS REMAIN THE PROPERTY OF OUR FIRM. THEY
MUST NOT BE COPIED OR DUPLICATED .NOT SHOWN TO
OR PLACED AT THE DISPOSAL OF OF THIRD PERSONS
WITHOUT OUR WRITTEN CONSENT.
REV. MODIFICATION APPD
DATE
Plot No. A-2/16,MIDC, Indl.Area, Murbad 421 401 Dist-Thane Maharashtra India 20-08-19 PR-5444
NTS
SR.NO DESCRIPTION MATERIAL QTY.
1 Primary Terminal 2
2 Oil Level Indicator Al. & Glass 1
3 Oil Expansion Chamber (Top Tank) M.S. 1
4 Bushing with Flange Porcelain 1
5 Nitrogen Valve Brass 1
6 Base (Bottom side) M.S. 1
7 Earthing Terminal M.S. 2
8 Secondary Terminal Box M.S. 1
9 Oil Filling Plug. M.S. 1
10 Pressure Release Device Al. & Bakelite 1
11 Rating Plate Al. Anodized 1
12 Dome cover M.S. 1
13 Oil Drain Plug M.S. 1
14 Lifting Lug. M.S. 2
P1
P2
General Arrangement of 132kV Live
Tank Outdoor Oil Cooled Current
Transformer(Trafo CT)
4
14
7
8
13
6
1
2
3
5
30
80
HSS
DRG PR-3321
9
12
10
GENERAL DIMENSIONAL TOLERANCE : 5%
FRONT VIEW
TOP VIEW
SIDE VIEW
Copper
P2
11
Mounting Details
4,Mounting
Total Creepage Distance : 3625 mm Min.
Notes:-
(CJI or Equivalent Make)
Blatsting and finally painted with enameled paint as
All ferrous parts exposed to atmosphere shall be Sand
per Shade RAL 7035.
15 2
Terminal Marking Plate Al. Anodized
15
(Tinned Plated)
CLIENT DETAILS :- CYCLIC ENERGY POWER PRIVATE LTD.
PROJECT NAME :- 100 MW SOLAR PROJECT ,132 KV PSS,MOTOLA BHULDHANA (MH)
CONTRACTOR NAME :- VAIBHAVI ELECTRICALS.
RATIO : 600/1-1-1-1 A

SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
Plot No. A-2/16,MIDC, Indl.Area, Murbad 421 401 Dist-Thane Maharashtra India 20-08-19 PRO-6023
NTS
Cross Sectional Drg. For 132kV Live
Tank Outdoor Oil Cooled Current
Transformer(Trafo CT) HSS
DRG PR-5444
P1
P2
4
7
8
6
3
30
80
13
14
12
1
11
9
10
5
2
Sectional Front View
15
16
Mounting Details
4,Mounting
2 Oil Level Indicator Al. + Glass 1
3 Oil Expansion Chamber M.S. 1
4 Bushing Porcelain 1
7 Earthing Pad M.S. (M16 Bolt) 2
10 Pressure Release Device Al. + Bakelite 1
12 Copper (SSPE)
Copper
Secondary Winding
Copper
Primary Winding
Oil Impregnated Paper
CRGO/Nano crystalline -
13
14
15
Insulation
CT Core
-
-
-
1
Al. Anodized
16 Name And Rating Plate
Bushing Flange
(CJI or Equivalent Make)
17
18
19
20
G.I / C.I. -
Gasket For Bushing Nitrile Rubber 2
Al. Anodized
Label For Pri.Terminal 2
21
M.S.
Oil Drain Plug. 1
Lifting Lug M.S. 2
20
19
21
18
17
Minor modifications without notice.
Notes:-
(Tinned Plated)
RATIO : 600/1-1-1-1 A

Rating Plate & Connection
Diagram
MURBAD 421 401
PRAGATI
ELECTRICALS PVT. LTD.
DRN
CHD
IN MM
DIMENSIONS
SCALE
RP-8419
APPD
MATERIAL: Aluminium Anodized Sheet.
CORE NO:
RATIO
PRIMARY TERMINAL
SECONDARY
CAUTION : 1. SHORT ALL SEC. TERMINALS WHEN NOT IN USE OR BEFORE DISCONNECTING BURDENS.
2. CONNECT 'C' TERMINAL TO EARTH WHEN CT IS IN OPERATION.
IS : 16227-1&2
TERMINAL
132 kV CURRENT TRANSFORMER
P1 / P2
Tan.d
C E
Ref.Std.
N.S. Voltage
H.S. Voltage
Insulation Level Rated Cont. Thermal Current
Rated Pry.Current
S.T. Current & Duration
Rated Dynamic Current
FEATURE : SUITABLE FOR HOT LINE WASHING.
CONNECTION DIAGRAM
132 kV
145
145 / 275 / 650
kV
kVp 720 Amp.
40 kA / 1 Sec.
100 kA(peak)
:
:
:
:
:
:
:
:
MADE IN INDIA BY
PRAGATI ELECTRICALS PVT.LTD.
(Amp.)
Frequency
Insulation Class
50
A
Hz.
:
:
Type Live Tank
Drawing No. PR-5444
: Year of Mfg. 2023
Min.Creepage Dist.
Qty.of Oil
Total Wt.
115 Liters ± 10%
425 Kg ± 10%
:
:
:
:
:
PRIMARY
SECONDARY
C Ohms
TURNS RATIO
S.R. No. :
Rating Plate
600 Amp. 3625 mm
2S2 3S1 3S2
CORE 3
2S1
P2
P1
BURDEN (VA)
ACCURACY
ISF / ALF
KNEE POINT VOLTAGE Ek (V)
Rct@75°
Iexe(max.) AT Ek/2 (mA)
18-11-2023
CORE 2
PMU
VVP
4
-
600 / 1
P1-P2
1 / 600
-
PX
<= 5 ohm
>= 600 V
<= 30 mA
1
4S1-4S2
P1-P2
ALL
CORE 1
1S1-1S2
15
0.2S
<= 5
-
-
-
-
1S2
1S1
18-11-2023
600 / 1
2
P1-P2
2S1-2S2
600 / 1
3
P1-P2
15
0.2S
<= 5
-
-
-
-
600 / 1
4S1 4S2
CORE 4
3S1-3S2
-
1 / 600
-
PX
<= 5 ohm
>= 600 V
<= 30 mA

Drawing No. Rev.
SCALE
DATE
APPD
REF :
SHEET :
MODIFICATION DATE APPD
REV
MINOR MODIFICATIONS WITHOUT NOTICE.
PROJECTION
CHD
DRN
MURBAD - 421 401 PRO-6580
14-02-23
NTS
PRO-2469
1 of 1
Sec. Ter. Box Details for 132kV
Out-Door oil Cooled C.T.
Detachable gland plate
with 4 no. 1",Gland.
AGJ
VVP
Tan Delta Terminal.
3mm Rubberised
Cork Gasket
FRONT VIEW
TOP VIEW
SIDE VIEW
Shorting Link (Cu.)
Flexible Copper Wire
Earthing Piller
370
115
90
200
E
Secondary Terminal
Connector (CST SN6)
1S1 1S2 2S1 2S2 3S1 3S2 4S1 4S2 C
Spare
RATIO :- 600/1-1-1-1 A
Secondary Ter. box with cover: M.S. Sheet with 3mm Thick.
Note : Secondary box shall be confirm to IP: 55.

3
2 1
5) Porcelain colour: Brown
4) Minimum Creepage distance 3625mm
3) Test & Tolerances as per IS 5621-1980
2) Surface Marked to be Unglazed & Ground.
1) Rated Voltage class 132kV
NOTE:
Cement
Flange
Insulator Shell
-
2
1
6) Cantilever Bend Test Load - 1445kg (250kg/cm )
2
DESCRIPTIONS
SR.NO. MATERIAL QTY.
Porcelain
MCI / SGI
Portland
3
2
1
8) Make (IEC / WS / CJI / Modern / Ravi kiran)
Note : Insulator Shall be of MSETCL Approved Vendors.
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
YK
SHD
Flange Type Bushing
Porcelain aseembly for 132kV CT-PT
RATIO : 600/1-1-1-1 A

M. S.
2
COPPER
MATERIAL QTY
DESCRIPTION
SR.
1
NO.
H.T.TERMINAL
1
2
1
Al. + GLASS
PORCELAIN
1
2
1
Al. (Anodised)
M. S.
M. S.
M. S. 1
3
5
4
LIFTING LUG
BUSHING
OIL LEVEL INDICATOR
7
9
8
NAME AND RATING PLATE
EARTHING PAD
BASE
6
SECONDARY TERMINAL BOX
1
1
1
M. S.
Al. + BAKELITE
BRASS
2
11
13
12
OIL FILLING PLUG
NITROGEN VALVE
15
16
LABEL FOR PRI. TERMINAL
14
PRESSURE RELEASE DEVICE
OIL DRAIN PLUG
10 M. S. 1
2
M. S.
1
17
18
19
GASKET FOR BUSHING
GASKET FOR TANK
SECONDARY WDG.
PRIMARY WINDING
SECONDARY TERMINAL BRASS -
NITRILE RUBBER
RUBBER BOUNDED SHEET
2
1
COPPER SSPE
COPPER -
-
Bill of Material for 132kV C.T.
Al.
OIL TANK (TOP SIDE)
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
Bill of Material for
132kV C.T.
YK
SHD
(Tinned Plated)
RATIO : 600/1-1-1-1 A

PRIMARY WINDING LUG
' O ' RING(ID-40.65 X C/S 5.34)
PRIMARY TERMINAL BOLT(M12 X 45mm)
BUSH
7
9
10
8
RUBBER WASHER
5
SPIGOT
6
INSULATOR
4
1 GLASS FILLED NYLON
1
1
1 M.S. GRADE 8.8
COPPER
NITRILE RUBBER
1
1
1 NITRILE RUBBER
M.S. / S.S.
PORCELAIN
DESCRIPTION
SR.NO
WASHER
3
2 NUT
1 COPPER
BRASS
QTY. MATERIAL
2
1
1 ALUMINIUM PLATE
PRIMARY TERMINAL ASSEMBLY SECONDARY TERMINAL
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
YK
KEP
Primary Terminal Assembly
Secondary Terminal Assembly for
132kV outdoor oil cooled CT-PTs
RATED SURGE VOLTAGE
STUD SIZE
OPERATED BY
MOUNTING POSSIBILITY
PRODUCT FUNCTION
WIRE ENTRY ORIENTATION
HOUSING MATERIAL
DIN 32 RAIL
NUT DRIVER
8 kV
M6
FEED THROUGH
SIDE ENRTY
MELAMINE
RATED VOLTAGE
TIGHTENING TORQUE
RATED CURRENT
1000 V
125 A
3 Nm
POLLUTION DEGREE
TECHNICAL DATA
3
Oil Air
TANK WALL
TANK WALL
80
6
8
7
8
9
10
5 4
3
2
1
(Tinned Plated)
(Tinned Plated)
RATIO : 600/1-1-1-1 A

NITRILE RUBBER
6
5
1
3
2
4
1
-
1
BRASS
M.S.
VALVE
-
5
STOPPER
1
4
WASHER
1
3
A
B
1
1
FOR NITROGEN VALVE ASSEMBLY USE SR.NO. 1, 2, 3 & 5 - VAR B
FOR OIL FILLING DRAIN PLUG USE SR.NO. 1, 2, 3 & 4 - VAR A
SEAT
1
2
CAP
1
1
MATERIAL
DESCRIPTION
QTY.
SR.NO.
-
REMARKS
M.S.
M.S.
-
-
-
-
STD.
6
4 M.S.
2
SR.NO. REMARK
DESCRIPTION
BOTTOM FLANGE
1
1
QTY.
1
3 1
DIAPHRGM
TOP FLANGE
M.S.
MATL. SIZE
BAKELITE +
ALUMINIUM
M.S.
PLAIN WASHER
SPRING WASHER
5 6
6
7
6
6
NUT
STUD
8 1 'O' RING
MILD STEEL
S.S.
M.S.
STD.
M8 X 31
M8
RUBBER D
I
82.5 O
X 89.5 X 3.5
D
DIAPHRGM
1
9 ALUMINIUM
BAKELITE +
C
L
135
70
Indicator Glass
Indicator Cover
'O' Ring Type SRP 175
Base Plate
Aluminium.(Die Casting)
M.S. Plate 10mm Thk
Toughfned Glass
Nitrile Rubber
MATERIAL
ITEM
Sr. No
1
2
3
4
1
2
3
4
5
OIL DRAIN PLUG / NITROGEN VALVE OIL LEVEL INDICATOR
2
4
5
6
7
1
3
8
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
YK
SHD
Oil Drain plug / Nitrogen valve
PRD & Oil Level Indicator Assembly for
RATIO : 600/1-1-1-1 A

39"
108"
39"
4"
Base Pallet
Front Side End Side
39"
Top Pallet
3" x 1 1/2" Thk.
Qty. - 06 Nos.
4" x 1" Thk.
Qty. - 14 Nos.
108"
32"
4"
4" x 1" Thk.
Qty. - 06 Nos.
4" x 1" Thk.
Qty. - 12 Nos.
3" x 1 1/2" Thk.
Qty. - 02 Nos.
Additional Plate
1) 3" x 1 1/2" x 41.5" Lg.
Qty. - 02 Nos.
PLANKS 1 1/2" Thk.
32" x 3" x 1" Thk.
Qty. - 02 Nos.
39" x 5" x 1" Thk.
Qty. - 03 Nos.
39" x 28" x 1 1/2" Thk.
Qty. - 01 Nos.
30" x 03" x 4" Thk.
Qty. - 03 Nos.
4"
3"
30"
5"
32"
1) 3" x 1 1/2" x 28" Lg.
Qty. - 02 Nos.
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
Plot No. A-2/16,MIDC, Indl.Area, Murbad 421 401 Dist-Thane Maharashtra India 15-09-10 P.F. NO- 038
NTS
General Arrangement of Packing
Case for 132kV Live Tank C.T.
KEP
YRD
RATIO : 600/1-1-1-1 A

Rev 4
1
2
3
4
5
6
7
9
10
11
12
13
132
600
Normal System Voltage (kV)
Highest System Voltage (kV)
120 % of Rated primary current
4
No. Of Cores
Name Of Manufacturer M/s. Pragati Electricals Pvt Ltd.
145
Country Of Origin India
Type of Product
Outdoor Oil Cooled & Hermatically sealed Type Current
Transformer
8
Rated Thermal Primary Current (Amp)
CONTRACTOR NAME :- VAIBHAVI ELECTRICALS
Pragati Electricals Private Limited
Plot No :- A-2/16, MIDC, MURBAD, DIST :- THANE
(MAHARASHTRA, INDIA). Pincode :- 421401
Phone :- +91 22-3092-3520 (100 Lines)
100 kA (Peak)
Rated Secondary Current (Amp) 1
Short Time Current & Duration 40 kA for 1 sec
Frequency (Hz) 50
SCHEDULE OF GUARANTEED PERFORMANCE TECHNICAL AND OTHER PARTICULARS
Dynamic Current (I dyn)
Type Of Designation Live Tank
IS : 16227 1 & 2
Rated Primary Current (Amp)
Reference Standard
132 kV CURRENT TRANSFORMER (Trafo CT)
13
14
Core 4
600
1
Metering
15
0.2S
<= 5
--
--
--
--
--
600
1
Core 3
Metering
15
0.2S
<= 5
--
Accuracy Class
-- --
PX
PX
1
600
≥ 600 V
15
at Oil
at Exposed Current Carrying Parts
≤ 30 mA
--
≤ 5 Ω
≤ 5 Ω
ISF / ALF --
Secondary Winding
Resistane at 75° C (Ω)
Knee Point Voltage (Volts) ≥ 600 V
Excitation Current (mA) @
Ek/2
≤ 30 mA
at winding
Temperature Rise
Rated insulation Level
Dry Power Frequency withstand voltage for 1 min (KV rms) 275
As per Limits specified by IS : 16227 1 & 2
Burden (VA)
4
Core Details
Core 1 Core 2
600
Secondary Current (A)
No. Of Cores
Primary Current (A)
Special Protection
Special Protection
1
Type

Phone :- +91 22-3092-3520 (100 Lines)
17
<= 1.65 A/mm²
Dry Lightning Impulse voltage (kVp)
Altitude
18
Current Density Of Primary winding
Current Density Of Secondary winding
650
DCC Copper Rope
Material Of Secondary Winding Super Enameled, Copper Wire As per IS-13730-3 TYPE II
21
Insulating Oil as per IS : 335
Upto 1000 meter above mean sea level
16
20
Material Of Primary Winding
Protected Creepage Distance (mm)
3625
Name Of Manufacturer CJI or Equivalent make
Creepage Distance Provided by Supplier (mm)
<= 1.65 A/mm²
Mounting Dimensions
19
Length, Width, Height
Support Insulator as per IS : 5621
Overall Dimensions
Porcelain
Name Of Manufacturer
1812.5
Savita / Raj
Type
Wet Power Frequency withstand voltage for 1 min (KV rms) 275
22
23
Date:- Sign :-
Place :-
As Per our General Drawing No :- PR-5444
21
For M/s. Pragati Electricals Pvt . Ltd.
Murbad
Mounting Dimensions
Oil Qty (in Litres)
Degree of Protection IP 55
Paint Shade / Method Epoxy Painting shade no. RAL 7035.
30-01-2024
Weight of CT (in KGs)

General Arrangement Drg.
Rating Plate & Connection Diagram Drg.
Secondary Box Drg.
Porcelain Insulator Drg.
Primary & Secondary Terminal Drg.
Bill of Material
Sr.
1
2
3
4
5
6
7
8
Cross Sectional View Drg.
HOD
Prepared by :
Document No. : Date of Issue
Appd By :
Rev. :
Page 1 of 1
14-05-2017
LIST OF DRAWINGS
TITLE DRG. NO.
no
ITEM :- 132kV CURRENT TRANSFORMER
PR-5454
Revision
Oil Level Ind., Oil Drain Plug & Nitrogen Valve,PRD
9 Packing Drg. P.F.No- 038
PRO-6036
RP-8296
PRO-6580
PRO-2108
PRO-1701
PRO-2136
PRO-2137
Ratio :- 600/1-1-1-1 A
B

SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
Plot No. A-2/16,MIDC, Indl.Area, Murbad 421 401 Dist-Thane Maharashtra India 07-09-19 PR-5454
NTS
2 Oil Level Indicator Al. & Glass 1
3 Oil Expansion Chamber (Top Tank) M.S. 1
4 Bushing with Flange Porcelain 1
7 Earthing Terminal M.S. 2
10 Pressure Release Device Al. & Bakelite 1
11 Rating Plate Al. Anodized 1
13 Oil Drain Plug M.S. 1
14 Lifting Lug. M.S. 2
P1
P2
General Arrangement of 132kV
Live Tank Outdoor Oil Cooled
Current Transformer(Line CT)
4
14
7
8
13
6
1
2
3
5
30
80
HSS
DRG PR-5444
9 12
10
FRONT VIEW
TOP VIEW
SIDE VIEW
Copper
P2
11
Mounting Details
4,Mounting
Notes:-
All ferrous parts exposed to atmosphere shall be painted
with two coats of zinc rich epoxy paint shade RAL 7035
Ratio :- 600/1-1-1-1 A

SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
Cross Sectional Drg. For 132kV
Live Tank Outdoor Oil Cooled
Current Transformer(Line CT) HSS
DRG PR-5454
P1
P2
4
7
8
6
3
30
80
13
14
12
1
11
9
10
5
2
Sectional Front View
15
16
Mounting Details
4,Mounting
2 Oil Level Indicator Al. + Glass 1
3 Oil Expansion Chamber M.S. 1
4 Bushing Porcelain 1
7 Earthing Pad M.S. (M16 Bolt) 2
10 Pressure Release Device Al. + Bakelite 1
12 Copper (SSPE)
Copper
Secondary Winding
Copper
Primary Winding
Oil Impregnated Paper
CRGO/Nano crystalline -
13
14
15
Insulation
CT Core
-
-
-
1
Al. Anodized
16 Name And Rating Plate
Bushing Flange
(CJI or Equivalent make)
17
18
19
20
G.I / C.I. -
Gasket For Bushing Nitrile Rubber 2
Al. Anodized
Label For Pri.Terminal 2
21
M.S.
Oil Drain Plug. 1
Lifting Hook M.S. 2
20
19
21
18
17
Ratio :- 600/1-1-1-1 A
Notes:-

Rating Plate & Connection
Diagram
MURBAD 421 401
PRAGATI
ELECTRICALS PVT. LTD.
DRN
CHD
IN MM
DIMENSIONS
SCALE
RP-8296
APPD
MATERIAL: Aluminium Anodized Sheet.
CORE NO:
RATIO
PRIMARY TERMINAL
SECONDARY
CAUTION : 1. SHORT ALL SEC. TERMINALS WHEN NOT IN USE OR BEFORE DISCONNECTING BURDENS.
2. CONNECT 'C' TERMINAL TO EARTH WHEN CT IS IN OPERATION.
IS : 16227-1&2
TERMINAL
132 kV CURRENT TRANSFORMER
P1 / P2
Tan.d
C E
Ref.Std.
N.S. Voltage
H.S. Voltage
Insulation Level Rated Cont. Thermal Current
Rated Pry.Current
S.T. Current & Duration
Rated Dynamic Current
FEATURE : SUITABLE FOR HOT LINE WASHING.
CONNECTION DIAGRAM
132 kV
145
145 / 275 / 650
kV
kVp 720 Amp.
40 kA / 1 Sec.
100 kA(peak)
:
:
:
:
:
:
:
:
MADE IN INDIA BY
PRAGATI ELECTRICALS PVT.LTD.
(Amp.)
Frequency
Insulation Class
50
A
Hz.
:
:
Type Live Tank
Drawing No. PR-5454
: Year of Mfg. 2023
Min.Creepage Dist.
Qty.of Oil
Total Wt.
80 Liters ± 10%
360 Kg ± 10%
:
:
:
:
:
PRIMARY
SECONDARY
C Ohms
TURNS RATIO
S.R. No. :
Rating Plate
600 Amp. 3625 mm
2S2 3S1 3S2
CORE 3
2S1
P2
P1
BURDEN (VA)
ACCURACY
ISF / ALF
KNEE POINT VOLTAGE Ek (V)
Rct@75°
Iexe(max.) AT Ek/2 (mA)
30-11-2022
CORE 2
PMU
VVP
4
-
600 / 1
P1-P2
1 / 600
-
PX
<= 5 ohm
>= 600 V
<= 30 mA
1
4S1-4S2
P1-P2
ALL
CORE 1
1S1-1S2
15
0.2S
<= 5
-
-
-
-
1S2
1S1
30-11-2022
600 / 1
B
A)
Core
Sequence
Changed
by
AGJ
_
Date
_
31-10-2023
2
30
5P
10
-
-
-
-
P1-P2
2S1-2S2
600 / 1
3
P1-P2
15
0.2S
<= 5
-
-
-
-
600 / 1
4S1 4S2
CORE 4
3S1-3S2
B)
RP
Changed
by
PMU_
Date
_
18-11-2023

3
2 1
5) Porcelain colour: Brown
4) Minimum Creepage distance 3625mm
3) Test & Tolerances as per IS 5621-1980
2) Surface Marked to be Unglazed & Ground.
1) Rated Voltage class 132kV
NOTE:
Cement
Flange
Insulator Shell
-
2
1
6) Cantilever Bend Test Load - 1445kg (250kg/cm )
2
DESCRIPTIONS
SR.NO. MATERIAL QTY.
Porcelain
MCI / SGI
Portland
3
2
1
8) Make (CJI or Equivalent)
Note : Insulator Shall be of MSETCL Approved Vendors.
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
YK
SHD
Flange Type Bushing
Porcelain aseembly for 132kV CT-PT
Ratio :- 600/1-1-1-1 A

M. S.
2
COPPER
MATERIAL QTY
DESCRIPTION
SR.
1
NO.
H.T.TERMINAL
1
6
1
Al. + GLASS
PORCELAIN
1
2
1
Al. (Anodised)
M. S.
M. S.
M. S. 1
3
5
4
LIFTING LUG
BUSHING
OIL LEVEL INDICATOR
7
9
8
NAME AND RATING PLATE
EARTHING PAD
BASE
6
SECONDARY TERMINAL BOX
1
1
1
M. S.
Al. + BAKELITE
BRASS
2
11
13
12
OIL FILLING PLUG
NITROGEN VALVE
15
16
LABEL FOR PRI. TERMINAL
14
OIL DRAIN PLUG
10 M. S. 1
2
M. S.
1
17
18
19
GASKET FOR BUSHING
GASKET FOR TANK
SECONDARY WDG.
PRIMARY WINDING
SECONDARY TERMINAL BRASS -
NITRILE RUBBER
RUBBER BOUNDED SHEET
2
1
COPPER SSPE
COPPER -
-
Bill of Material for 132kV C.T.
Al.
OIL TANK (TOP SIDE)
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
Bill of Material for
132kV C.T.
YK
SHD
Ratio :- 600/1-1-1-1 A

NITRILE RUBBER
6
5
1
3
2
4
1
-
1
BRASS
M.S.
VALVE
-
5
STOPPER
1
4
WASHER
1
3
A
B
1
1
FOR NITROGEN VALVE ASSEMBLY USE SR.NO. 1, 2, 3 & 5 - VAR B
FOR OIL FILLING DRAIN PLUG USE SR.NO. 1, 2, 3 & 4 - VAR A
SEAT
1
2
CAP
1
1
MATERIAL
DESCRIPTION
QTY.
SR.NO.
-
REMARKS
M.S.
M.S.
-
-
-
-
STD.
6
4 M.S.
2
SR.NO. REMARK
DESCRIPTION
BOTTOM FLANGE
1
1
QTY.
1
3 1
DIAPHRGM
TOP FLANGE
M.S.
MATL. SIZE
BAKELITE +
ALUMINIUM
M.S.
PLAIN WASHER
SPRING WASHER
5 6
6
7
6
6
NUT
STUD
8 1 'O' RING
MILD STEEL
S.S.
M.S.
STD.
M8 X 31
M8
RUBBER D
I
82.5 O
X 89.5 X 3.5
D
DIAPHRGM
1
9 ALUMINIUM
BAKELITE +
C
L
135
70
Indicator Glass
Indicator Cover
'O' Ring Type SRP 175
Base Plate
Aluminium.(Die Casting)
M.S. Plate 10mm Thk
Toughfned Glass
Nitrile Rubber
MATERIAL
ITEM
Sr. No
1
2
3
4
1
2
3
4
5
OIL DRAIN PLUG / NITROGEN VALVE OIL LEVEL INDICATOR
2
4
5
6
7
1
3
8
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
NTS
YK
SHD
Oil Drain plug / Nitrogen valve
PRD & Oil Level Indicator Assembly for
Ratio :- 600/1-1-1-1 A

39"
108"
39"
4"
Base Pallet
Front Side End Side
39"
Top Pallet
3" x 1 1/2" Thk.
Qty. - 06 Nos.
4" x 1" Thk.
Qty. - 14 Nos.
108"
32"
4"
4" x 1" Thk.
Qty. - 06 Nos.
4" x 1" Thk.
Qty. - 12 Nos.
3" x 1 1/2" Thk.
Qty. - 02 Nos.
Additional Plate
1) 3" x 1 1/2" x 41.5" Lg.
Qty. - 02 Nos.
PLANKS 1 1/2" Thk.
32" x 3" x 1" Thk.
Qty. - 02 Nos.
39" x 5" x 1" Thk.
Qty. - 03 Nos.
39" x 28" x 1 1/2" Thk.
Qty. - 01 Nos.
30" x 03" x 4" Thk.
Qty. - 03 Nos.
4" 3"
30"
5"
32"
1) 3" x 1 1/2" x 28" Lg.
Qty. - 02 Nos.
SCALE
SHEET: 1 Of 1
DRN
CHD
APPD
DATE
PROJECTION:
REF :
Drawing No. Rev.
DATE
Plot No. A-2/16,MIDC, Indl.Area, Murbad 421 401 Dist-Thane Maharashtra India 15-09-10 P.F. NO- 038
NTS
General Arrangement of Packing
Case for 132kV Live Tank C.T.
KEP
YRD
Ratio :- 600/1-1-1-1 A

1
2
3
4
5
6
7
9
10
11
12
13
132 kV CURRENT TRANSFORMER (Line CT)
120 % of Rated primary current
Rated Thermal Primary Current (Amp)
Rated Primary Current (Amp)
Name Of Manufacturer M/s. Pragati Electricals Pvt Ltd.
145
Country Of Origin India
Type of Product
Outdoor Oil Cooled & Hermatically sealed Type Current
Transformer
8
600
Highest System Voltage (kV)
132
4
No. Of Cores
CONTRACTOR NAME :- VAIBHAVI ELECTRICALS
Phone :- +91 22-3092-3520 (100 Lines)
100 kA (Peak)
Rated Secondary Current (Amp) 1
Short Time Current & Duration 40 kA for 1 sec
Frequency (Hz) 50
REV 4
SCHEDULE OF GUARANTEED PERFORMANCE TECHNICAL AND OTHER PARTICULARS
Dynamic Current (I dyn)
Type Of Designation Live Tank
IS : 16227- 1 & 2
Reference Standard
Normal System Voltage (kV)
13
14
Accuracy Class
-- 30
5P
PX
1 1
Metering
15
0.2S
600
--
15
at Oil
at Exposed Current Carrying Parts
≤ 30 mA
10
--
≤ 5 Ω
ISF / ALF --
Secondary Winding
Resistane at 75° C (Ω)
Knee Point Voltage (Volts) ≥ 600 V
Excitation Current (mA) @
Ek/2
--
Burden (VA)
Secondary Current (A)
Temperature Rise
Rated insulation Level
at winding
As per Limits specified by IS : 16227 -1 & 2
Primary Current (A)
4
Core Details
Core 1 Core 2
600
No. Of Cores
Core 3
600
Protection
Special Protection
1
Type
--
--
Core 4
600
1
Metering
15
0.2S
<= 5
--
--
--
<= 5
--

Phone :- +91 22-3092-3520 (100 Lines)
Insulating Oil as per IS : 335
Support Insulator as per IS : 5621
<= 1.65 A/mm²
Dry Lightning Impulse voltage (kVp)
Altitude
18
Current Density Of Primary winding
Current Density Of Secondary winding
650
DCC Copper Rope
Material Of Secondary Winding Super Enameled, Copper Wire As per IS-13730-3 TYPE II
3625
Name Of Manufacturer CJI or Equivalent make
Creepage Distance Provided by Supplier (mm)
<= 1.65 A/mm²
19
Overall Dimensions
16
20
Material Of Primary Winding
Porcelain
Protected Creepage Distance (mm)
Dry Power Frequency withstand voltage for 1 min (KV rms) 275
Name Of Manufacturer
1812.5
Savita / Raj
Type
Wet Power Frequency withstand voltage for 1 min (KV rms) 275
Upto 1000 meter above mean sea level
17
22
23
Date:- Sign :-
Place :-
21
For M/s. Pragati Electricals Pvt . Ltd.
Murbad
Mounting Dimensions
Oil Qty (in Litres)
Degree of Protection IP 55
Length, Width, Height
Paint Shade / Method Epoxy Painting shade no. RAL 7035.
Overall Dimensions
Weight of CT (in KGs)
30-01-2024
As Per our General Drawing No :- PR-5454
O2 POWER PRIVATE LIMITED
A
Document approved as submitted; proceed with
fabrication/construction.
B
Document approved subject to comments noted; proceed
with fabrication/construction considering our comments.
C
Our comments are noted on the enclosed marked-up
print.
D
Our comments are noted in the memo attached to this
transmittal.
F
Correct original of the document to reflect our comments
and resubmit for records.
G
Documents of this category are for information only and
not for approval. Information furnished on the document is
noted.
H
Document reviewed only against our previous comments
and other revisions highlighted and identified by the
vendor.
I Document returned without review.
J Print not enclosed.
E
Correct original of the document to reflect our comments
and resubmit for approval.
The approval or comments conveyed herein neither
relieve the manufacturer of his contractual obligations and
his responsibilities to correctness of design, manufacture,
satisfactory performance and conformity of
equipments/installations as per standards and statutory
guideline as applicable.

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