MOA带电测试的误差分析及检测效果

Error Analysis on M OA Resistive Leakage Current on-line Detecting Test

简要介绍了LCD—4的原理及其在现场测量氧化锌避雷器阻性电流时造成三相数据不等的原因。以典型实例说明带电检测的有效性，通过大量现场实测数据总结出测量值在不同电压等级下的偏差范围及其随温度变化的比率曲线．

The paper gives a brief introduction to the principle of LCD-4 ZnO arrester resistiveleakage current detector and its error cause analysis, provides a typical detecting example of faultMOA and the current measuring curves under different voltage levels as well as different ambienttemperatures.