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Charoenchai Transformer Co.,Ltd.

Transformer Specification

Project: TR Code No.: 123320

Transformer Technical Data

Type of Transformer - Hermetically Sealed without Gas Cushion

Standard - IEC60076/TIS384

Number of Phase - 3

Power Rating kVA. 630

High Vohage Side kV. 24

Low Vohage Side V. 416/240

: HV Winding - Copper
Material
: LV Winding - Copper

;Type - OIT-Load
Tappmg
: Percentage of Tapping % - 4 X 2.5%

Vector Group Symbol - Dynil

Frequency Hz. 50

No Load Loss W. 1200

Load Loss At 75 °C W. 6500

Total Losses At 75 °C W. 7700

Impedance Vohage At 75 °C % 4

Ambient Temperature °C 40

Temperature Rise of Winding °C 65

Temperature Rise of Top Oil 60

Cooling Method - ONAN

Colour of Tank -
RAL 7036

No Load Current % 1.6

Oil Dielectric Strength (ASTM D877) kV. >30

Engineering Division Document No.: SP 123320

Prepared By: fV' Dated 19/10/2019 Issue No.: 14 Rev. No.:

Approved By : Dated 19/10/2019 Dated 19/10/2019

Page 1/3
 DOCL;MENTNo.:SP 123320

ISSUE No.; 14 REVISION No.

DATE: 19/10/2019

Charoenchai Transformer Co.,Ltd.

Transformer Specification

Project: TR Code No.: 123320

Transformer Technical Data

: 25% of Power Rating % 98.99

Efficiency : 50% of Power Rating % 99.11

At P.F. = 1 : 75% of Power Rating % 98.98

: 100% of Power Ratiing % 98.79

Impulse Withstand : High Voltage Side kV. 125

Voltage (BID : Low Voltage Side kV. -

; High Voltage Side kV. 50

Applied Potential
: Low Voltage Side kV. 3

Insulation : Between HV - LV at 20 '^C MegOhm. > 1,000

Resistance Test : Between HV - GND at 20 °C MegOhm. > 1,000

by Megger ; Between LV - GND at 20 °C MegOhm. > 500

Routine Test: are Performed on Every Single Transformer Including .

X Measurement of Winding Resistance

^ Measurement ofVoltage Ratio and Vector Group or Phase Displacement
X] Measurement ofShort-Circuit Voltage Impedance and Load Loss
X Measurement of No-Load Loss and No-Load Current

X Separate Source AC Withstand Voltage Testor Applied Voltage Test

Induced Voltage Test

^ Insulation Resistance Test

^ Leakage Test
^ Oil Dielectric Strength Test
Type Test: can be Performed on Request at Extra Cost.
Lightning Impulse Test One Unit Only Total Unit

Temperature Rise Test One Unit Only Total Unit

Sound Level Measurement One Unit Only Total Unit

Page 2/3
 DOCUMENT No, :SP 123320

ISSUE No.: 14 REVISION No.

DATE : 19/10/2019

Charoenchai Transformer Co.,Ltd.

Transformer Specification

Project: TR Code No. : 123320

Transformer Accessories

Drawing No. Reference

123320 3 PH 24 kV. 416/240 V. 50 Hz. 630 kVA

SA-2560203 H.V. BUSHING 20 N 250 A. WITH ACCESSORY

SA-2860I02 H.V. TERMINAL 250 A.

SA-6280203 L.V. BUSHING SET IN 1000 A. (4 HOLES)

SA-2120301 L.V. TERMINAL PLATE 1000 A. 30 mm.

SA-M214001 MAGNETIC OIL LEVEL GAUGE O.D. 80 mm.

SA-22201i0 PRESSURE RELIEF DEVICE C-IO

SA-2340801 EARTHING TERMINAL

SA-2620102 OIL DRAIN VALVE 3/4"

SA-2183I02 NAMEPLATE lEC STD. (3 PH. 24 kV. 416/240 V. Dynl I 65/60)

Page 3/3
 •<I)
0-
(z> (d>
(1>

JT ® 1 lb
(D
@ (2> L- CENTER OF GRAVnY

260 280

190 190 190

22. BOND BETWEEN COVER AND TANK

21. MOVING FACfUriES

20. OIL LEVEL GAUGE

19. JACKING AND MOVING FACILITIES
16. SLUDGE DR/UN PLUG
17. H.V. TERMINAL

16. H.V. BUSHINGS

15. TAP CHANGER
14. LV. BUSHINGS

13. THERMOMETER POCKET

PREUMINARY DRAWING 12. ARCING HORNS
NOTE : This drawing is for estimate only, 11. OIL DRAIN VALVE
showing approximately dimensions
10. EARTHING TERMINAL
and should not be referred to os
BASE
the final drawing
TANK

CORRUGATED FIN
TRADE MARK

NAMEPLATE

CAPACITr PLATE
CAPACfTY DIMENSION IN MILUMETERS OIL TOTAL WT 3. MANUFACTURER PLATE
(kVA.) H (LTTRES) (kgs.) 2. PRESSURE-REUEF DEVICE
630 1505 1430 985 465 2130 UFTING EYES

NO NAME OF PARTS QTY.

NAME DATE TITLE SYMBOL ISO

3 PH. 24 kV.
DIMENSION IN mm.
DWG. BY C Wts 07/12/2016 416/240 V. 50 Hz.
FILE : No. 123320R16
630 kVA.
CHK. BY 08/12/2016 SCALE : N.T.S. PAGE : 1/1
SIZE
CHAROENCHAI
APP. BY 09/12/2016 TRANSFORMER CO..LTD.
A4 DWG. No. 123320 REV. 16
 @

NO. Oty. DESIGNATION STANDARD MATERIAL DRAWING NO.

INSUUTOR 20N 250A DIN 42531 CERAMIC INSULATION DIN 40685 2560201
CONNECTINQ BOLT D DIN 42531 BRONZE or Ms 60 DIN 1776 6260102
CAP E DIN 42531 BRONZE or GD-Ms 60 OIN 1709 2470201
PACKING RING J DIN 42531 OIL-RESISTING SYNTHETIC RUBBER 2600204
PACKING RING WASHER 6 mm. 0 DIN 42531 CORK GASKET (AMORIM ID 1120) 6221401
GASKET 9 mm. P DIN 42531 CORK GASKET (AMORIM TP 1120) 6220101
HEXAGON NUT M12(1.75) DIN 934-Ms BRASS WITH TIN PUTE 3240401
PLAIN WASHER 12 mm. DIN 125-Ms BRASS WITH TIN PUTE 1250204
SPRING WASHER 12 mm. DIN 43699 STAINLESS SPRING STEEL 1250307
10 (OANGE RING DIN 42536 COLD ROLLED STEEL or USt 1203 DIN 1623 2680103
11 HEXAGON NUT M10(1.5) DIN 9354-M8 STEEL (Cr6 COAT) 3240902
12 SPRING WASHER 10 mm. OIN 125 STAINLESS SPRING STEEL 1250403

NAME DATE TITLE :

jrq. SYMBOL ISO
H.V. BUSHING 20N 250A. ^ DIMENSION IN mm.
DWG. BY
a 20/01/2021
WITH ACCESSORY (DIN 42531) RLE : No. 2560203R11C
CHK. BY 20/01/2021 SCALE : 1:4 PAGE : 1/1
SIZE
APP. BY CHAROENCHAI
20/01/2021 TRANSFORMER CO.,LTD. A4. DWG. No. SA-2580203 REV. 11
 COVER

TOLERANCE : "COARSE" TOLERANCE TO DIN 40680

11 BUSBAR COPPER
13 CLOSING PIECE BRASS
NUT
BRASS
INTERNAL GASKET CORK
10_ INTERNAL GASKET CORK
_9_ FLANGE GASKET CORK
PLAIN GASKET CORK
_7_ RING GASKET RUBBER
6 TERMINAL PAD CONNECTOR BRONZE AND HOT-TIN DIPPED
WASHER BRASS
WASHER " BRASS
3 STEM
COPPER
_2_ BOTTOM BUSHING "B" PORCELAIN MATERIAL
TOP BUSHING "A" PORCELAIN MATERIAL
No. NAME MATERIAL QTY
NAME DATE TITLE
LV. BUSHING SET SYMBOL ISO
DWG. BY IN 1000 A. DIMENSION IN mm.
(4 HOLES) FILE : No. SA-6280203R4
1CHK. BY -(;3
SCALE : N.T.S. PAGE : 1/1
jAPP. BY —^ (—
charoenchat SIZE

TRANSFORMER CO..LTD. A4 DWG. No. SA-6280203 REV. 4

 SUITABLE FOR CONDUCTOR SIZE 35-120 mm!
CONNECTOR bronze with tin plate
SPRING WASHER
STAINLESS
BOLT M8x30
STAINLESS
NAME
MATERIAL
SYMBOL ISO
H.V. TERMINAL 250 A. DIMENSION IN mm.
CHK. BY( HLE : No. SA2860102R5
SCALE : N.T.S. PAGE : 1/1
APP. BY CHAROENCKAT
)0-oj-i?
TRANSFORMER CO..LTD. DWG. NO.SA--2860102 REV. 5
 CONTACT SURFACES

M. 12(1.75)

—• 026.2

WASHER M12 material

_QTY/UNIT
NUT Ml 2(1.75) STAINLESS STEEL 8
bolt M12(1.75Wn STAINLESS STFFI
SPRING WASHFR mio STAINLESS STFFI
TERMINAL PAD CONNFrrnp SPRING STAINLESS STFFi
3R0NZE AND HOT-TIN DIPPfh
DWG. BY
L.V. TERMINAL PLATE rt SYMBOL ISO
1000A. 30 mm. ^ ^ DIMENSION IN mm.
CHK. BY flLE : No. SA--2im^niP7
(CCT. STD.)
APR BY< SCALE ; N.T.S.
Oi^^OENCHAI PAGE ; 1/1
transformer co.,ltd DWG. No. SA-2120301 REV. 7
 I i

SYMBOL ISO
OWG. BY DIMENSION IN mmt
p{p magnetic oil LEVEL GAUGE TYPE L 80
FILE ; No. SA2140101-jZl
CHK. BY
03. .— SCALE : N.T.S.' PAGE : 1/l
14-05 MO I CHAROENCHAT
TRANSFORMER CO..LTD A4- DWG. No. SA-2140101 R
 082 0-RING

11 TPI

OPERATING PRESSURE = DA-D1-000- 65

 ®13

21.5
Ml2(1.75) TAPPING
•STEEL

15

30

^ BOnOM TANK
WELDING

STAINLESS STEEL BOLT M12(1.75)x15 -J

INSTALLATION INSTRUCTION

SUITABLE FOR CONDUCTOR SIZE 35-120 mn?.

NAME DATE TIUE :

r-l SYMBOL ISO
^ W DIMENSION IN mm.
DWG. BY EARTHING TERMINAL
FILE : No. SA-2340801R6
CHK. BY
SCALE : 1:1.2 PAGE : 1/1
SIZE
APP. BYC CHAROENCHAI
TRANSFORMER CO. .LTD. A4 DWG. No. SA-2340801 REV. 6
 ±1

60

•« o

RC 3/4'

CLASS 100 CAST BRONZE GLOBE VALVES

11 name plate 1 ALUMINUM A1050P

10 WHEEL NUT 1 CARBON STEa SS400

1 ZINC DIE-CAST 2DC (SIZE 1/4-1)

9 HAM) WHEEL 1 ALUMINUM DIE-CAST ADC 12 (aZE 1. 1/4-3)
1 CAST IRON FC2C0 (SIZE 4 ONLY)
8 0.AND PACKING 1 PLASTIC GRAPHITE
7 GLAND 1 BRASS ROD C3604B0
6 PACKING NUT 1 FORGED BRASS C3771BE
5 LOCK NUT 1 BRASS ROD C3771BD
4 DISC 1 CAST BRONZE BC
NOTE : (1) VALVE SIZE lOEN-nnCATlON. 3 STEM 1 SPEQAL BRASS (2) KITZ "K-METAL"
(2) SPEOAL BRASS. KIT2 "K-METAL" IS DEVELOPED 1 FORGED BRASS
2 BONNET C3771BE (SIZE 1/4-3)
FOR ANH-0E2INanCA"n0N BY KIT2 CORP.
1 CAST BRONZE BC (SIZE 4 ONLY)
1 BODY 1 CAST BRONZE BC
NO. name (»=• PARTS QTY. MATERIALS SPEanCATIONS
NAME DATE TITLE
^ ^ SYMBOL ISO
DWG. BY
OIL DRAIN VALVE ^ ^ DIMENSION IN mm.
tMriy 0 3/4" I^ILE : No. 2620102R2
CHK. BY(
C^iO-^hsiO SCALE : N.T.S. PAGE : 1/1
SIZE
APP. BY CHAROENCHAT
&rn-/<> TRANSFORMER CO..LTD. A4 DWG. No. 2620102 REV. 2
 V)

CHAROENGHAI TRANSFORMER
THAILAND

RATED KVA, STANDARD lEC 60076

H.V. VOLT.
o> 24000 LV. VOLT. 416 / 240
1

H.V. AMP. LV. AMP.

Ol

PHASE FREQUENCY 50l %IMP. VOLT AT 75 •c

TYPE OF COOLING ONAN INS. OIL MINERAL OIL

VECTOR GROUP Dynll H.V. WINDING COPPER

TYPE STEP DOWN LV. WINDING COPPER

INS. CLASS OIL QUANTITY L

TEMP. WINDING 65 •C TOTAL WEIGHT kg.

TEMP. TOP OIL 60 •C SERIAL No.

AMB. TEMP 40 X DATE

CONNECTION DIAGRAM VECTOR DIAGRAM

7 6543 2 A a

7 6543 2 A
H.V. SIDE LV. :S IDE
POS. CONNECT VOLTAGE TERMINAL VOLTAGE
1. 5-4 24000 a TO b
2. 5-3 23400
b TO c 416
c TO a
3. 22600
a b c
4. 6-2 22200
TO 240
5. 7-2 21600 n

10
A
03~4holes
130

MATERIAL : STAINLESS STEEL PIATE

NAME DATE TITLE : r-i SYMBOL ISO

NAMEPLATE lEC STO. ^ ^ DIMENSION IN mm.
owe. BY osMf\o (3 PH. 24 kv. 416/240 V. Oynll 65/60) FILE : No. SA2ia3102
CHK. BY SCALE : 1:1 1 PAGE : 1/t
OS\-Oir SIZE
APP.
GHAROENCHAI
TRANSFORMER CO..LTD. A4 DWC. No. SA-21831p2 REV. -
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Subject: Certificate of Thailand Trust Mark

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Edition 3.0 2018-03

- jjan. 384-2543

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First edition 2004-05

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- lEC 60076-1

Edition 2.1 2000-04

- lEC 60076-1

Edition 3.0 2011-04

- lEC 60076-2

Edition 2.0 1993-04

- lEC 60076-2

Edition 3.0 2011-02

- lEC 60076-11

First edition 2004-05

- lEC 60076-11

Edition 2.0. 2018-08

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- 3 \M^ 'uuijFi 25 kVA m IEEE Std C57.12.90-2010

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- lEC 60076-3

Second edition 2000-03

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Edition 3.0 2013-07

- lEC 60076-11

First edition 2004-05

- lEC 60076-11

Edition 2.0 2018-08

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- Lightning innpulse chopped on - Second edition 2000-03

the tail (LIC)

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(LI, LIC, LIN, LIMT) Edition 3.0 2013-07

- lEC 60076-3

Edition 3.0 2018-08

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- lEC 60076-3

Edition 3.0 2013-07

- lEC 60076-11

First edition 2004-05

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Edition 2.0 2018-08

- Jjan. 384-2543

- lEC 60076-10

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