Shenzhen Dong Sheng Yuan Electrical Equipment Co., Ltd.
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Main technical parameter
Preassembled substation technical parameter table
| Serial number | Name | Unit | Technical specification |
| 1 | rated voltage | KV | 10/0.4(high voltage/low voltage) |
| 2 | maximum working voltage | KV | 12(high-pressure side) |
| 3 | rated frequency | HZ | 50 |
| 4 | rated capacity | KVA | 50-1600 |
| 5 | 1-minute power frequency withstand voltage | KV | 35 |
| 6 | lightning impulse voltage | KV | 75 |
| 7 | type of cooling | Oil immersed in self-cooling | |
| 8 | High voltage backup fuse breaking current | KA | 50 |
| 9 | Breaking the current of the plug-in fuse | KA | 2.5 |
| 10 | environment temperature | ºC | -35~+40 |
| 11 | Coil allowable temperature rise | ºC | 65 |
| 12 | No load voltage regulation | ±5%or±2x2.5% | |
| 13 | noise grade | db | 50 |
| 14 | level of protection | IP43 |
| Capacity kva | Voltage | no-load current | open circuit losses | impedance voltage | load loss |
|||||||
| high voltage | low voltage | S9 | S10 | S11 | S9 | S10 | S11 | 4.0 | S9 | S10 | S11 | |
| 50 | 10±5% ±2x2.5% |
0.4 | 2.0 | 1.9 | 0.75 | 0.17 | 0.15 | 0.12 | 0.87 | 0.83 | 0.87 | |
| 63 | 1.9 | 1.8 | 0.7 | 0.2 | 0.18 | 0.14 | 1.04 | 0.99 | 1.04 | |||
| 80 | 1.9 | 1.7 | 0.7 | 0.25 | 0.22 | 0.175 | 1.25 | 1.2 | 1.25 | |||
| 100 | 1.8 | 1.55 | 0.65 | 0.29 | 0.26 | 0.2 | 1.5 | 1.42 | 1.5 | |||
| 125 | 1.7 | 1.45 | 0.65 | 0.34 | 0.3 | 0.235 | 1.8 | 1.72 | 1.8 | |||
| 160 | 1.6 | 1.3 | 0.6 | 0.4 | 0.36 | 0.27 | 2.2 | 2.12 | 2.2 | |||
| 200 | 1.5 | 1.2 | 0.55 | 0.48 | 0.43 | 0.33 | 2.6 | 2.5 | 2.6 | |||
| 250 | 1.4 | 1.1 | 0.5 | 0.56 | 0.5 | 0.39 | 3.05 | 2.9 | 3.05 | |||
| 315 | 1.4 | 1.0 | 0.45 | 0.67 | 0.29 | 0.465 | 3.65 | 3.45 | 3.65 | |||
| 400 | 1.3 | 1.0 | 0.4 | 0.8 | 0.71 | 0.56 | 4.3 | 4.15 | 4.3 | |||
| 500 | 1.2 | 1.0 | 0.4 | 0.96 | 0.85 | 0.67 | 5.15 | 4.82 | 5.15 | |||
| 630 | 1.1 | 0.8 | 0.4 | 1.2 | 1.6 | 0.81 | 4.5 | 6.2 | 5.86 | 6.2 | ||
| 800 | 1.0 | 0.7 | 0.35 | 1.4 | 1.23 | 0.98 | 7.5 | 7.2 | 7.5 | |||
| 1000 | 1.0 | 0.6 | 0.3 | 1.7 | 1.5 | 1.15 | 10.3 | 9.8 | 10.3 | |||
| 1250 | 0.9 | 0.6 | 0.27 | 1.95 | 1.72 | 1.36 | 12.0 | 12.2 | 12.0 | |||
| Serial number | Name | Unit | Four-station loop load switch | Two-station load switch | |
| 1 | rated voltage | A | 630 | 315 | |
| 2 | Rated short-circuit closing current | KA | 31.5 | 31.5 | |
| 3 | rated short-time current | KA | 12.5 | 12.5 | |
| 4 | Rated short endurance time | S | 2 | 2 | |
| 5 | mechanical life | Next | 2000 | 2000 | |
| 6 | Lightning impulse withstand voltage peak full wave | Phase to phase | KV | 75 | 75 |
| 7 | isolating fracture | 85 | 85 | ||
| 8 | 1min power frequency withstand voltage | Phase to phase | KV | 42 | 42 |
| 9 | isolating fracture | 48 | 48 | ||
| 10 | Rated peak withstand current | KA | 31.5 | 31.5 | |
| Serial number | Three-phase transformer capacity(KVA) | XRNT rated current(A) | PRNT1 Overload protection rated current(A) |
| 1 | 30 | 10 | 6 |
| 2 | 50 | 16 | 8 |
| 3 | 80 | 16 | 10 |
| 4 | 100 | 20 | 15 |
| 5 | 125 | 25 | 15 |
| 6 | 160 | 31.5 | 25 |
| 7 | 200 | 40 | 25 |
| 8 | 250 | 50 | 40 |
| 9 | 315 | 63 | 40 |
| 10 | 400 | 63 | 40 |
| 11 | 500 | 80 | 50 |
| 12 | 630 | 100 | 50/65 |
| 13 | 800 | 125 | 65 |
| 14 | 1250 | 160 | 100 |
| 15 | 1600 | 200 | 140 |