KYN10-40.5Type Remvoable Metal-enclosed HV Switchgear
KYN10-40.5Type Remvoable Metal-enclosed HV Switchgear
- Detail
- Parameters
General
KYN10-40.5 type metal-clad withdrawable HV switchgear is suitable for indoor three-phase power system of AC 50Hz rated voltage 40.5kV f,to receive and distribute electric energy in the switching rooms of power plants, transformer stations, industrial and mining enterprises and to control, protect and measure the circuit. Besides used for general power systems extensively, it is applied to power system with frequent operation. This switchgear is in line with standards GB3906-91 and IEC298.
Basic technical parmeters
| Rated voltage | 40.5KV |
| Rated frequency | 50HZ |
| Rated current of main bus(A) | 1250A 1600A 2000A |
| Rated current of branch bus(A) | 630A 1250A 1600A |
| Rated insulation level | 1min |
| Power frequency withstand voltage(virtual value)KV | 95 |
| Phase to phase, phase to earth, between open contacts of primaty isolation | 95 115 |
| Lightning impulse withstand voltage(peak value) | 185 215 |
| Auxiliary control circuit | 1 min |
| Power frequency withstandvoltage | 2000 |
