WHB-897 is an advanced automatic switch device designed for backup power applications. It automatically switches the incoming line and section (bus-tie or bridge) switches for voltage classes up to 35kV. This device can be directly installed in high voltage switch cabinets or combined panels.
WHB-897 is an advanced automatic switch device designed for backup power applications. It automatically switches the incoming line and section (bus-tie or bridge) switches for voltage classes up to 35kV. This device can be directly installed in high voltage switch cabinets or combined panels.
Function Classification | No. | Function name |
Protection functions | 1 | Incoming line auto-switching (mode 1,2,5,6) |
2 | Section (bus-tie or bridge) switch auto-switching | |
3 | Auto-switching auto-recovery function | |
4 | Incoming line 1/2 overcurrent accelerating protection | |
5 | Incoming line 1/2 overload protection | |
6 | Bus voltage transformer supervision | |
7 | Incoming line voltage transformer supervision | |
8 | Switch open position abnormal detection | |
Measure and Control Function | 1 | Remote signaling binary input acquisition, device remote signaling change, alarm remote signaling |
2 | Analog telemetering acquisition |