Complaint
S/N | Item | Unit | parameters | |
1 | Rated voltage | KV | 12, 24, 33,40.5KV | |
2 | Rated current | A | 630 | |
3 | Rated frequency | Hz | 50 | |
4 | Rated short time withstand current | KA | 20 | |
5 | Rated short circuit duration | S | 4 | |
6 | Rated withstand current (peak) | KA | 50 | |
7 | Rated short circuit duration of grounding switch | S | 4 | |
8 | Rated short withstand current (peak) of grounding switch | KA | 50 | |
9 | Rated insulation level | 1min power frequency withstand voltage (effective value) | KV | (phase-phase, phase-earth)42; (fracture) 48 |
Lightning impulse withstand voltage (peak) | KV | phase-phase, phase-earth)75; (fracture) 85 | ||
10 | Rated SF6 pressure (20°C gage pressure0 | Mpa | 0.04 | |
11 | SF6 leakage rate per year |
| 1% | |
12 | Protection degree |
| IP3* | |
