浙江电力

2011, v.30;No.187(11) 34-37

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发电机出口大电流互感器误差的现场测量方法
On-site Error Verification Method for High Current Transformer of Generator Outlet

周永佳,许灵洁,李航康,罗保顺,俞美忠
ZHOU Yong-jia1,XU Ling-jie1,LI Hang-kang1,LUO Bao-shun2,YU Mei-zhong3(1.Zhejiang Electric Power Test and Research Institute

摘要(Abstract):

发电机出口的大电流互感器受安装位置和一次通过电流较大的限制,现场进行误差试验较为困难。研究采用等安匝法和负荷误差外推法相结合的方案,解决了发电机出口电流互感器现场误差试验的难题。
On-site error verification is difficult since the high current transformer of generator outlet is constrained by the installation position and high primary current.This paper solves the problem of on-site error verification for the current transformer of generator outlet by adopting a scheme which combines equal ampere-turns and load error extrapolation methods.

关键词(KeyWords): 发电机;电流互感器;误差;等安匝法;负荷误差外推法
generator;current transformer;error;equal ampere-turns;load error extrapolation

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 周永佳,许灵洁,李航康,罗保顺,俞美忠
ZHOU Yong-jia1,XU Ling-jie1,LI Hang-kang1,LUO Bao-shun2,YU Mei-zhong3(1.Zhejiang Electric Power Test and Research Institute

DOI: 10.19585/j.zjdl.2011.11.011

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