光伏发电系统直流侧绝缘阻抗检测的研究  

Research on Insulation Impedance Detection of DC Side in Photovoltaic Power Generation System

作　　者：耿后来[1] 程林[1] 王凯 李顺 顾亦磊[1] GENG Hou-lai;CHENG Lin;WANG Kai;LI Shun;GU Yi-lei(Sungrow Power Supply Co.,Ltd.,Hefei 230088,China)

机构地区：[1]阳光电源股份有限公司

出　　处：《通信电源技术》2020年第1期24-26,共3页Telecom Power Technology

摘　　要：介绍光伏发电系统及其检测电路,推导计算直流侧的绝缘阻抗,同时针对影响检测精度的几个关键问题进行详细分析和实验验证。结果表明,该检测电路及其方法能够准确检测发电系统直流侧对地绝缘阻值的大小,具有较高的工程应用价值。This paper introduces the photovoltaic power generation system and its detection circuit,deduces and calculates the insulation impedance of the DC side,and analyzes and verifies several key problems affecting the detection accuracy in detail.The results show that the detection circuit and its method can accurately detect the insulation resistance of the DC side of the power generation system to the ground,which has high engineering application value.

关 键 词：光伏电站 直流绝缘检测 电桥检测法 

分 类 号：TM615[电气工程—电力系统及自动化] TM934.7