Discussion on Error Power-off Problem of Safety Monitoring and Control System Caused by Mine-used Frequency Converter

In view of problem of error power-off of safety monitoring and control system of underground working face caused by electromagnetic interference produced by frequency converter of a Coal Mine, the paper analyzed interference phenomenon and causes of signal transmission of safety monitoring and control system caused by frequency converter, and puts forward corresponding treatment method, so as to solve influence of frequency converter on safety monitoring and control system.