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 |