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SG(B) series power transformer
The main insulating material of the SG(B)10 Un-packed "H" Level power transformer is an insulating system based on Nomexpaper. The HV & LV coils were insulated by Nomex pater. It has been vacuum immersed by "H" level Non-solvent insulation paint and treatd by high temperature. lt can be kept in and excellent electronic and mechanical features during the whole transformer' s life. Due to the Nomex is not easy to ageing,withstand contraction and anti-press,the coil of the transformer will be still com-pact and withstand the pressure of short circuit after several years operating. The no-load loss is 20% and 25% lower than thel specification in GB10228-2015. lt is a kind of environmental product,which has a low loss and low voice. lt has beenl widely used in subway,high building,airports and any other places.
Ordering instruction
Please provide the following parameters when ordering:
1. Product model
2. Rated capacity
3. Voltage combination
4. Adjustment range
5. Frequency
6. Connection symbd
7. Short-circuit impedance
8. Please note the technical requirements for the products having the special requirements
The main insulating material of the SG(B)10 Un-packed "H" Level power transformer is an insulating system based on Nomexpaper. The HV & LV coils were insulated by Nomex pater. It has been vacuum immersed by "H" level Non-solvent insulation paint and treatd by high temperature. lt can be kept in and excellent electronic and mechanical features during the whole transformer' s life. Due to the Nomex is not easy to ageing,withstand contraction and anti-press,the coil of the transformer will be still com-pact and withstand the pressure of short circuit after several years operating. The no-load loss is 20% and 25% lower than thel specification in GB10228-2015. lt is a kind of environmental product,which has a low loss and low voice. lt has beenl widely used in subway,high building,airports and any other places.
Ordering instruction
Please provide the following parameters when ordering:
1. Product model
2. Rated capacity
3. Voltage combination
4. Adjustment range
5. Frequency
6. Connection symbd
7. Short-circuit impedance
8. Please note the technical requirements for the products having the special requirements
| Rated current (A) | Voltage combination and tapping range | Linkage group | No-load current (%) | No-load loss (W) | Load loss (W) | Short-circuit impedance (%) | ||
| High voltage (KV) | High pressure tap range % | Low voltage (KV) | ||||||
| 100 | 6 6.3 10.5 11 | ±2*2.5 ±5 | 0.4 | Dyn11 Yyn10 | 1.60 | 400 | 1690 | |
| 125 | 1.50 | 470 | 1980 | |||||
| 160 | 1.40 | 540 | 2280 | |||||
| 200 | 1.30 | 620 | 2710 | |||||
| 250 | 1.20 | 720 | 2960 | |||||
| 315 | 1.10 | 880 | 3730 | |||||
| 400 | 1.00 | 980 | 4280 | |||||
| 500 | 1.00 | 1160 | 5230 | |||||
| 630 | 0.90 | 1340 | 6290 | |||||
| 630 | 0.90 | 1300 | 6400 | 6.0 | ||||
| 800 | 0.80 | 1520 | 7460 | |||||
| 1000 | 0.70 | 1770 | 8760 | |||||
| 1250 | 0.60 | 2090 | 10370 | |||||
| 1600 | 0.60 | 2450 | 12580 | |||||
| 2000 | 0.60 | 3050 | 15560 | |||||
| 2500 | 0.50 | 3600 | 18450 | |||||
| Rated current (A) | Voltage combination and tapping range | Linkage group | No-load current (%) | No-load loss (W) | Load loss (W) | Short-circuit impedance (%) | ||
| High voltage (KV) | High pressure tap range % | Low voltage (KV) | ||||||
| 100 | 6 6.3 10.5 11 | ±2*2.5 ±5 | 0.4 | Dyn11 Yyn10 | 1.60 | 400 | 1690 | |
| 125 | 1.50 | 470 | 1980 | |||||
| 160 | 1.40 | 540 | 2280 | |||||
| 200 | 1.30 | 620 | 2710 | |||||
| 250 | 1.20 | 720 | 2960 | |||||
| 315 | 1.10 | 880 | 3730 | |||||
| 400 | 1.00 | 980 | 4280 | |||||
| 500 | 1.00 | 1160 | 5230 | |||||
| 630 | 0.90 | 1340 | 6290 | |||||
| 630 | 0.90 | 1300 | 6400 | 6.0 | ||||
| 800 | 0.80 | 1520 | 7460 | |||||
| 1000 | 0.70 | 1770 | 8760 | |||||
| 1250 | 0.60 | 2090 | 10370 | |||||
| 1600 | 0.60 | 2450 | 12580 | |||||
| 2000 | 0.60 | 3050 | 15560 | |||||
| 2500 | 0.50 | 3600 | 18450 | |||||