RMU consists of bus room, three-position SF6 load switch room (breaker room), cable room, actuator chamber and the measurement or metering circuits, etc,each room separated by steel to avoid the fault position affecting next room.
No. | Name | Units | Datas | |
1 | Rated voltage | KV | 12 | |
2 | Rated power frequency withstand current | KV | 42 | |
3 | Rated lightning impulse withstand voltage | KV | 75 | |
4 | Rated frequency | HZ | 50 | |
5 | Rated main busbar current | A | 630 | |
6 | Rated peak withstand current | KA | 50 | |
7 | Rated short-time withstand current | KA | 20 | |
8 | Rated short duration | S | 3 | |
9 | Auxiliary supply voltage | V | AC:110/220 DC:110/220 | |
10 | Size | high | MM | 1400 1600 1800 |
deep | MM | 980 | ||
Wide | MM | 375,750,500 | ||
