SPECIFICATION OF THREE PHASE TRANSFORMER : HERMETICALLY SEALED
(NORMAL LOSSES)  (SYSTEM VOLTAGE 11kV AND 33kV) 

      
   
 

 

 

 

 

 

 

   
   
 
SYSTEM VOLTAGE 11000-433/250 V.  SYSTEM VOLTAGE 33,000-433/250 V. AND 33,000-11,000 V.
POWER 
( kVA )
NO-LOAD
LOSS
( W )
LOAD
LOSS
( W )
% IMP. Outline dimension
OIL
(Litre)
WT
(kg)
POWER
(kVA)
NO-LOAD
LOSS
( W )
LOAD
LOSS
( W )
% IMP. Outline dimension
OIL
(Litre)
WT
(kg)
TYPE
OF
FINS
(mm) ( mm )
H L W H L W
50 190 1,050 4 1,100 840 690 120 420 50 230 1050 4 1390 900 730 160 485 3-CORRU.
100 320 1,750 4 1,210 920 710 165 600 100 350 1750 4 1470 980 740 215 670 3-CORRU.
160 460 2,350 4 1,270 1,030 730 230 780 160 500 2350 4 1510 1080 780 285 940 3-CORRU.
250 650 3,250 4 1,400 1,330 920 285 1,030 250 700 3250 4 1660 1450 920 370 1345 CORRU.
315 700 3,900 4 1,500 1,340 940 330 1,290 315 800 3900 4 1720 1480 1040 420 1550 CORRU.
400 900 4,600 4 1,570 1,420 950 365 1,430 400 950 4600 4 1780 1520 1050 465 1740 CORRU.
500 1000 5,500 4.75 1,650 1,520 980 395 1,720 500 1050 5500 4 1880 1610 1070 520 2030 CORRU.
630 1200 6,500 4.75 1,730 1,570 1,000 490 1,930 630 1250 6500 6 1950 1690 1090 620 2340 CORRU.
800 1400 10,500 4.75 1,790 1,650 1,230 635 2,450 800 1500 10500 6 1980 1830 1270 760 3050 CORRU.
1,000 1500 13,500 5 1,880 1,980 1,440 755 3,100 1000 1700 13500 6 2070 2090 1450 825 3520 CORRU.
1,250 1800 16,000 5 1,970 2,030 1,540 925 3,550 1250 1900 16000 6 2150 2260 1590 1120 4600 CORRU.
1,500 2100 19,000 5 2,040 2,120 1,780 1,070 4,480 1500 2200 19000 6 2220 2210 1860 1310 5420 CORRU.
2,000 2700 24,000 6 2,180 2,220 1,880 1,210 5,200 2000 2700 24000 6 2460 2300 1990 1510 6340 CORRU.
2,500 3300 28,000 6 2,290 2,240 2,010 1,350 5,850 2500 3300 28000 6 2670 2340 2140 1690 7300 CORRU.
3,000 3800 33,000 6 2,410 2,290 2,180 1,630 6,700 3000 3900 33000 7 2830 2410 2310 1940 8150 CORRU.
4,000 AVAILABLE ON  REQUEST 4000 5000 34000 7 2445 2975 2465 2350 10205 RADIA.
5,000 5000 6500 42000 7 3050 3500 2700 3480 13695 RADIA.
6,000 6000 6500 50000 7 3180 2480 2450 4010 10600 RADIA.
7,500 7500 6500 55000 8 3050 3300 3000 4230 14100 RADIA.
10,000 10000 6900 67500 8 3410 4200 3110 5250 18351 RADIA.
15,000 15000 12100 77000 8 3455 3790 2265 6645 23950 RADIA.
20,000 20000 15000 125000 10 3600 5000 4800 8384 37500 RADIA.
 
 REMARK    :  1)  ALL  DIMENSIONS   ARE  APPROXIMATED 
                      :  2) TYPE   OF  FINS 
                            CORRU.     = CORRUGATED  FINS 
                            3S - COR.  = THREE SIDE  CORRUGATED  FINS 
                            RADIA.    =   RADIATOR  FINS 
 
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