品牌:
Product description
ZGS1□-12/0.4 prefabricated power substation becomes one of the main power supply unit in countryside.
HV load break switch, HV fuse are immersed into transformer oil, including 2 structures, common box and separate box etc.
Main parameter
| Description | Unit | Technical Parameter |
| Rated voltage | KV | 10/0.4(HV/LV) |
| Max.operating voltage | KV | 12（HV） |
| Rated frequency | HZ | 50 |
| Rated capacity | KVA | 20~2500 |
| OFF-load tap changer | 10±2X2.5%/0.4KV | |
| Connnection symbol | Dyn11 | |
| Transformer loss | Conform to requirements of S11 transformer | |
| 1 min power frequency withstand voltage | KV | 35 |
| Lightning impulse withstand voltage | KV | 75 |
| Cooling mode | ONAN | |
| Ambient temperature | ℃ | -25-+45 |
| Allowable temperature of coil | ℃ | 55 |
| Noise grade | db | 55 |
| Breaking current of HV backup fuse | KA | 50 |
| Breaking current of plug-in type fuse | KA | 2.5 |
| IP class | IP23D |
