An overview of the
Generator (substations and lines) of microcomputer protection measurement and control system is suitable for medium and small capacity generators (100 mw and below), the protection measurement and control system by the generator protection and control device, intelligent instrument and computer host, the realization of fully automated computer management of power plant.
The main protection function
1. The differential protection
2. Quick break protection
3. The definite time over-current protection (low pressure closure, negative sequence voltage blocking)
4. The overload protection
5. Negative sequence current protection
6. Grounding protection
7. Overvoltage protection
8. Low voltage protection
Field loss protection 9.
The zero sequence current protection
11. Low cycle lightening protection
12. Reverse power protection
13. Non-electricity protection (for temperature non-electricity protection)
14. CT disconnection alarm, PT disconnection alarm
15. The operating circuit disconnection alarm
