Temperature error compensation technology of all-fiber optical current transformers

被引：0
|
作者：
Xiao, Hao [1 ]
Liu, Boyang [1 ]
Wan, Shiwei [1 ]
Zhao, Yucai [1 ]
机构：
[1] Beijing Sifang Automation Co. Ltd., Beijing 100084, China
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2011年 / 35卷 / 21期
关键词：
Error compensation - Electric currents - Fibers;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The main temperature error sources of all-fiber optical current transformer (FOCT) are analyzed. The errors caused by fiber λ/4 waveplate and Verdet constant are calculated in theory. A temperature error compensation technology is presented, which uses the error caused by λ/4 waveplate to compensate for the error caused by Verdet constant by choosing appropriate original phase retardation angle of the λ/4 waveplate. The experimental results show that FOCT can satisfy the temperature cycle accuracy requirements of the 0.2 s class measuring electronic transformer. © 2011 State Grid Electric Power Research Institute Press.
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页码：91 / 95
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