20kv Class S11 Series Three-Phase Oil-Immersed Distribution Transformer
Summarization
Compared with 10kV class S11 series, 20kV S11 series three-phase oil-immersed distribution transformers have
some advantages: 1. Increase power supply capability. 2. Ensure the voltage quality. 3. Debase the electric energy loss in power system, etc. They can save the construction fee of power system. They are the developing products of energy conservation in power system.
Technical Data for 20kV Class S11 Series Three-Phase Oil-Immersed Distribution Transformer
| Type | Rating(kVA) | Voltage Combination | VectorGroup | Loss (W) | No LoadCurrent(%) | IMP. VOL(%) | Weight (kg) | |||
| HV | Tapping Range (%) | LV | No Load Loss | Full Load Loss | ||||||
| S11-30/20 | 30 | 20 | ±2×2.5%or±5% | 0.4 | Y, ynoorD, yn11 | 110 | 680 | 1.1 | 5.5 | 300 |
| S11-50/20 | 50 | 140 | 940 | 0.9 | 700 | |||||
| S11-63/20 | 63 | 160 | 1150 | 0.8 | 750 | |||||
| S11-80/20 | 80 | 190 | 1360 | 0.8 | 800 | |||||
| S11-100/20 | 100 | 210 | 1630 | 0.7 | 850 | |||||
| S11-125/20 | 125 | 250 | 1940 | 0.7 | 900 | |||||
| S11-160/20 | 160 | 290 | 2360 | 0.7 | 950 | |||||
| S11-200/20 | 200 | 350 | 2830 | 0.7 | 1000 | |||||
| S11-250/20 | 250 | 410 | 3350 | 0.7 | 1200 | |||||
| S11-315/20 | 315 | 490 | 3980 | 0.7 | 1400 | |||||
| S11-400/20 | 400 | 580 | 4720 | 0.6 | 1600 | |||||
| S11-500/20 | 500 | 690 | 5560 | 0.6 | 1900 | |||||
| S11-630/20 | 630 | 820 | 6300 | 0.5 | 2300 | |||||
| S11-800/20 | 800 | 990 | 7800 | 0.5 | 6.0 | 2600 | ||||
| S11-1000/20 | 1000 | 1160 | 9800 | 0.4 | 3300 | |||||
| S11-1250/20 | 1250 | 1370 | 12300 | 0.4 | 3900 | |||||
| S11-1600/20 | 1600 | 1650 | 15100 | 0.4 | 4500 | |||||
The above parameter is only for reference as typical data, customer-made is subject to customers’ request.
