Intelligent controller of permanent magnet mechanism breaker

The invention discloses an intelligent controller of a permanent magnet mechanism breaker, which is formed by combining the permanent magnet mechanism control technology and the relay protection technology and comprises a central processing unit (CPU) module, a data collection module, a power supply management module, a permanent magnet driving module, a communication module and a man-machine interface module. The controller can directly drive a mono-stable permanent magnet mechanism, achieve fault isolation and fault location and effectively determine fault lines especially for small current grounding faults by calculating and comparing component amplitude of transient zero-sequence current in feature bands. The controller has a fault wave recording function and can record as many as 5000 accident records. The controller has a self-diagnostic function and can detect and collect faults in passages on line, control faults in the passages in remote control mode and give alarms timely. The intelligent controller is strong in functions and can sufficiently meet requirements for construction of intelligent distribution networks by being matched with the permanent magnet breaker.