Controlsystem is an important part of contactor with permanent magnet actuator and it will influence the characteristic of contactor.
控制系统是永磁机构接触器的重要组成部分，其控制方案的优劣直接影响到整个接触器的性能。
2
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactorcontrol mede.
China's mines are hoist AC Induction Motor Drive, and its electrical controlsystem uses a rotor series, cutting speed resistance , by the relay - contactorcontrol devices constitute a logical.