基于相对介损的变电站容性设备在线监测技术研究  

Research on On-line Monitoring Technology of Capacitive Equipment in Substation Based on Relative Medium Loss

作　　者：刘晨 LIU Chen(Xilingol Electric Power Bureau,Inner Mongolia Electric Power(Group)Co.,Ltd.,Baotou 014030,China)

机构地区：[1]内蒙古电力(集团)有限责任公司锡林郭勒电业局,内蒙古包头014030

出　　处：《电工技术》2021年第14期132-133,共2页Electric Engineering

摘　　要：通过分析变电站容性设备绝对介损法存在的偏差,提出了基于相对介损法的变电站容性设备在线监测技术。给出相对介损实现原理,介绍了相对介损法的实现方案,给出硬件方案和软件流程。该方法可很好地降低变电站现场环境干扰,避免PT二次侧存在的角差问题,具有良好的应用价值。By analyzing the deviation of the absolute dielectric loss method of the capacitive equipment of the substation,an online monitoring technology of the capacitive equipment of the substation based on the relative dielectric loss method is proposed.The relative dielectric loss realization principle,hardware scheme and software flow are given,and the realization scheme of the relative dielectric loss method is introduced.This method can well reduce the environmental interference of the substation site,avoid the angle difference problem existing on the secondary side of the PT,and has good application value.

关 键 词：变电站 容性设备 在线监测 相对介损法 

分 类 号：TM07[电气工程—电工理论与新技术]