Unit | Data | |||||||||||
Rated voltage | Kv | 12 | ||||||||||
Rated frequency | Hz | 50 | ||||||||||
1min power frequency withstand voltage | KV | 42(1) | ||||||||||
Rated lightning impulse withstand voltage | KV | 75(1) | ||||||||||
Rated current | A | 630 | 630 | 630 | ||||||||
1000 | 1000 | 1000 | ||||||||||
1250 | 1250 | 1250 | 1250 | |||||||||
1600 | 1600 | |||||||||||
2000 | 2000 | |||||||||||
2500 | 2500 | |||||||||||
3150 | 3150 | |||||||||||
4000(2) | ||||||||||||
Rated short-out breaking current | KA | 20 | 25 | 31.5 | 40 | |||||||
Rated short-out making current | KA | 50 | 63 | 80 | 100 | |||||||
Rated short-circuit current breaking times | times | 50(<=31.5kA)/30(40kA) | ||||||||||
Rated short-out duration | s | 4 | ||||||||||
Rated short-out operation sequence | O-0.3s-CO-180s-CO | |||||||||||
Rated breaking current(3) | A | 630 | ||||||||||
Back-to-back Breaking current(3) | A | 400 | ||||||||||
Work voltate and supply voltage | V | AC220/110, DC220/110 | ||||||||||
Magnitude of partial discharge | PC | <=10 |