Design of Insulator Leakage Current Monitoring System
By monitoring the leakage current of insulators in transmission lines,the degree of contamination of insulators can be determined to avoid contamination flashover.A real-time monitoring system for insulator leakage current has been designed,which mainly includes functional components such as leakage current sensor,leakage current amplification and filtering module,leakage current ADC conversion module,main control module,wireless communication module,and terminal.This system can achieve online monitoring,processing,collection,display,and transmission functions of insulator leakage current signals.The experimental results show that the system has high-precision data acquisition capability,and the relative error in monitoring leakage current signals is less than 2%,meeting the requirements for monitoring insulator leakage current.
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