Main Technical Parameters
Technical Data – 35kV S11 Series Oil-Immersed Three-Phase Distribution Transformer
| Rated Capacity(kVA) |
Voltage Combination(kV) |
Vector Group |
Loss(kW) |
No-load Current(%) |
Short-circuit Impedance(%) |
Weight(kg) |
Overall Dimensions(mm)
L×W×H |
Track Gauge(Longitudinal/Transverse) |
| HV |
HV Tapping Range(%) |
LV |
No-load |
Load Loss |
Active Part Weight |
Oil Weight |
Total Weight |
| 30 |
35
38.5 |
±2×2.5
±5 |
0.4 |
Dyn11
Yyn0 |
0.14 |
0.89/0.84 |
1.7 |
4.0 |
165 |
230 |
580 |
1320×550×1550 |
550/400 |
| 50 |
0.16 |
1.20/1.14 |
1.3 |
230 |
265 |
730 |
1360×700×1680 |
| 80 |
0.22 |
1.80/1.71 |
1.1 |
310 |
310 |
870 |
1395×730×1730 |
| 100 |
0.23 |
2.01/1.91 |
1.1 |
370 |
340 |
1000 |
1440×760×1810 |
| 125 |
0.27 |
2.37/2.26 |
1.0 |
440 |
380 |
1120 |
1450×800×1940 |
660/660 |
| 160 |
0.28 |
2.82/2.68 |
1.0 |
540 |
415 |
1360 |
1470×800×2910 |
| 200 |
0.34 |
3.32/3.16 |
1.0 |
635 |
455 |
1540 |
1500×800×2050 |
| 250 |
0.40 |
3.95/3.76 |
0.95 |
725 |
490 |
1745 |
1530×830×2090 |
| 315 |
0.48 |
4.75/4.53 |
0.95 |
825 |
525 |
1910 |
1550×870×2150 |
| 400 |
0.58 |
5.74/5.47 |
0.85 |
980 |
595 |
2220 |
1600×940×2200 |
660/660 |
| 500 |
0.68 |
6.91/6.58 |
0.85 |
1210 |
680 |
2640 |
1750×1000×2280 |
| 630 |
0.83 |
7.86 |
0.65 |
1110 |
800 |
3175 |
2130×950×2400 |
| 800 |
0.98 |
9.40 |
0.65 |
1625 |
850 |
3595 |
2210×1075×2450 |
| 1000 |
1.15 |
11.50 |
0.65 |
1955 |
965 |
4260 |
2250×1090×2630 |
| 1250 |
1.40 |
13.90 |
0.6 |
2250 |
1130 |
4835 |
2210×1740×2690 |
1070/1070 |
| 1600 |
1.69 |
16.60 |
0.6 |
2890 |
1260 |
5995 |
2250×2145×2700 |
| 2000 |
1.99 |
19.7 |
0.55 |
3070 |
1330 |
6445 |
2320×2170×2750 |
| 2500 |
2.36 |
23.2 |
0.55 |
3555 |
1390 |
7080 |
2340×2180×2510 |
Notes:
① For transformers ≤500 kVA, load loss above the diagonal line applies to Dyn11, and load loss below the diagonal line applies to Yyn0.
② Dimensions are for reference only; final dimensions are subject to the approved outline drawing
| Rated Capacity(kVA) |
Voltage Combination(kV) |
Vector Group |
Loss(kW) |
No-load Current(%) |
Short-circuit Impedance(%) |
Weight(kg) |
Overall Dimensions(mm)
L×W×H |
Track Gauge(Longitudinal/Transverse) |
| HV |
HV Tapping Range(%) |
LV |
No-load |
Load Loss |
Active Part Weight |
Oil Weight |
Total Weight |
| 200 |
35 |
±2×2.5
±5 |
3.15
6.3
10.5 |
Yd11 |
0.34 |
3.16 |
1.2 |
6.5 |
670 |
405 |
1445 |
1240×1270×1700 |
660/660 |
| 250 |
0.41 |
3.75 |
1.1 |
735 |
410 |
1550 |
1290×1280×1810 |
| 315 |
0.49 |
4.53 |
1.1 |
910 |
485 |
1855 |
1300×1350×1960 |
| 400 |
0.58 |
5.47 |
1.0 |
1015 |
585 |
2000 |
2020×940×1990 |
820/820 |
| 500 |
0.69 |
6.58 |
1.0 |
1225 |
675 |
2460 |
2150×1000×2040 |
| 630 |
0.83 |
7.86 |
0.65 |
1335 |
695 |
2665 |
2260×1060×2050 |
| 800 |
0.98 |
9.40 |
0.65 |
1695 |
825 |
3355 |
2330×1080×2130 |
| 1000 |
1.15 |
11.50 |
0.65 |
1975 |
920 |
3785 |
2390×1100×2190 |
| 1250 |
1.40 |
13.90 |
0.55 |
2155 |
990 |
4250 |
2450×1210×2210 |
| 1600 |
1.69 |
16.60 |
0.45 |
2505 |
1120 |
4995 |
2475×1230×2420 |
1070/1070 |
| 2000 |
2.17 |
18.30 |
0.45 |
2815 |
1155 |
5460 |
2380×2010×2430 |
| 2500 |
2.56 |
19.60 |
0.45 |
3730 |
1370 |
6305 |
2460×2150×2520 |
| 3150 |
35
38.5 |
3.04 |
23.00 |
0.45 |
7.0 |
4165 |
1650 |
8360 |
2550×2220×2540 |
| 4000 |
3.62 |
27.30 |
0.45 |
5160 |
1970 |
9350 |
2670×2390×2630 |
| 5000 |
4.32 |
31.30 |
0.45 |
6130 |
2215 |
10770 |
2870×2450×2930 |
| 6300 |
5.24 |
35.00 |
0.45 |
8.0 |
8120 |
2705 |
13885 |
3100×2580×3070 |
1475/1475 |
| 8000 |
35
38.5 |
±2×2.5 |
3.15
3.3
6.3
6.6
10.5 |
Ynd11 |
7.20 |
38.40 |
0.35 |
9760 |
2915 |
15510 |
3250×2680×3270 |
| 10000 |
8.70 |
45.30 |
0.35 |
11025 |
3225 |
18150 |
3320×2720×3350 |
| 12500 |
10.00 |
53.80 |
0.30 |
14170 |
4085 |
21760 |
3410×2950×3530 |
| 16000 |
12.10 |
65.80 |
0.30 |
17735 |
4710 |
26350 |
3520×3180×3690 |
| 20000 |
14.40 |
79.50 |
0.30 |
20430 |
5755 |
32560 |
3730×3560×4110 |
| 25000 |
17.00 |
94.00 |
0.25 |
10.0 |
25265 |
7010 |
38885 |
4110×4120×4340 |
2040/2040 |
| 31500 |
20.20 |
112.0 |
0.25 |
30360 |
8515 |
46090 |
4760×4570×4510 |
Notes:
① For transformers with LV=10.5 kV, the Dyn11 vector group is available.
② Dimensions are for reference only; final dimensions are subject to the approved outline drawing.
| Rated Capacity(kVA) |
Voltage Combination(kV) |
Vector Group |
Loss(kW) |
No-load Current(%) |
Short-circuit Impedance(%) |
Weight(kg) |
Overall Dimensions(mm)
L×W×H |
Track Gauge(Longitudinal/Transverse) |
| HV |
HV Tapping Range(%) |
LV |
No-load |
Load Loss |
Active Part Weight |
Oil Weight |
Total Weight |
| 800 |
35 |
±3×2.5 |
6.3
10.5 |
Yd11 |
1.25 |
9.88 |
0.9 |
6.5 |
1735 |
995 |
3625 |
2790×1220×2130 |
820/820 |
| 1000 |
1.50 |
12.16 |
0.9 |
2015 |
1105 |
4055 |
2830×1240×2150 |
| 1250 |
1.77 |
14.63 |
0.81 |
2190 |
1155 |
4580 |
2870×1310×2210 |
| 1600 |
2.16 |
17.48 |
0.77 |
2535 |
1295 |
5245 |
2875×1310×2380 |
| 2000 |
2.30 |
19.20 |
0.50 |
2855 |
1345 |
5935 |
2980×2880×2380 |
1070/1070 |
| 2500 |
2.72 |
20.60 |
0.50 |
3815 |
1575 |
6745 |
3060×2190×2490 |
| 3150 |
35
38.5 |
3.23 |
24.70 |
0.50 |
7.0 |
4235 |
1860 |
8780 |
3180×2240×2510 |
| 4000 |
3.87 |
29.10 |
0.50 |
5230 |
2260 |
9820 |
3270×2410×2600 |
| 5000 |
4.64 |
34.20 |
0.50 |
6195 |
2545 |
11510 |
3490×2480×2840 |
| 6300 |
5.63 |
36.70 |
0.50 |
|
8315 |
3095 |
14805 |
3710×2600×3005 |
1475/1475 |
| 8000 |
6.3
6.6
10.5 |
Ynd11 |
7.87 |
40.60 |
0.40 |
7.5/8.0 |
9870 |
3480 |
16590 |
3850×2680×3230 |
| 10000 |
9.28 |
48.00 |
0.40 |
11025 |
4160 |
19930 |
3960×2750×3310 |
| 12500 |
10.0 |
56.80 |
0.35 |
14270 |
5265 |
24295 |
4035×2980×3530 |
| 16000 |
13.1 |
70.30 |
0.35 |
17780 |
6280 |
28720 |
4140×3200×3660 |
| 20000 |
15.5 |
82.70 |
0.30 |
20205 |
7415 |
37380 |
4070×3580×4170 |
| 25000 |
18.3 |
97.8 |
0.30 |
10.0 |
24950 |
9030 |
43425 |
4710×4120×4310 |
2040/2040 |
| 31500 |
21.8 |
116.00 |
0.30 |
29820 |
11025 |
51555 |
5360×4570×4450 |
Notes:
① For transformers with LV=10.5 kV, the Dyn11 vector group is available.
② The maximum current tap is at the -7.5% position.
③ Dimensions are for reference only; final dimensions are subject to the approved outline drawing.
JUBANG 
