On-line Intelligent Safety Monitoring Technology of Mine Switchgear

In this paper, the monitoring mechanism of the two main faults of contact heat and partial discharge of the mine switchgear is studied, the passive wireless temperature sensor monitoring technology based on SAW(surface acoustic wave) sensing technology and the partial discharge monitoring technology based on detecting impedance are proposed, and the monitoring implementation scheme is designed, the application in Shenhua Xinjiang Energy Company has achieved good results.