基于STC90C58的单相交流供电线路漏电流监测装置

STC90C58-based Device to Monitor Leakage Current of Single-phase AC Power Line

基于STC90C58设计了一种监测单相交流供电线路漏电流的装置。采用了微控制器和电能计量器件,可同时采集并显示单相交流供电线路相线电流、中性线电流和相线对地漏电流的幅值。可为判断漏电性质和排查漏电点提供数据支持,对提高漏电保安器的投入率、提高用电安全性、降低线损有一定的积极意义。

A device based on STC90C58 to monitor the leakage current of single-phase AC power line is designed .The device uses a micro-controller and a power energy IC ,it can simultaneously capture and display the amplitudes of the phase line current ,the neutral current and the phase-to-ground leakage current of the single-phase AC supply line .The device can determine the nature of leakage points and provide data to support the investigation ,it will have some positive significance to improve the input rate of leakage protectors and improve the security for using electricity and reduce line losses .