电子式互感器的现场误差试验及问题分析Filed Error Test of Electronic Transformer and Problem Analysis
许灵洁,李航康,周琦,张卫华
XU Ling-jie,LI Hang-kang,ZHOU Qi,ZHANG Wei-hua(Z(P)EPC Electric Power Research Institute
摘要(Abstract)：
电子式互感器是数字化变电站的重要设备之一,介绍了电子式互感器误差试验基本原理及试验标准配置要求,根据500 kV芝堰变、220 kV云会变以及110 kV浔北变、新生变4座数字化变电站中各种电子式互感器现场误差试验中出现的问题,从设计、安装、检定、验收等环节进行了分析并提出了相关的建议。
The electronic transformer is one of the key devices in digital substations.The paper expounds basic principles of error test of electronic transformer and requirements on test standards configuration.In according with problems occurred in the field error test of various electronic transformers in 500 kV Zhiyan substation,220 kV Yunhui substation,110 kV Xunbei substation and Xinsheng substation,the paper analyzes the reasons in terms of design,installation,verification,acceptance and makes some relevant suggestions.
关键词(KeyWords)：
数字化;变电站;电子式;互感器;误差
digital;substation;electronic;transformer;error
基金项目(Foundation):
作者(Author):
许灵洁,李航康,周琦,张卫华
XU Ling-jie,LI Hang-kang,ZHOU Qi,ZHANG Wei-hua(Z(P)EPC Electric Power Research Institute
DOI: 10.19585/j.zjdl.2012.11.002