Magnetic crosstalk compensation for an optical current transducer

被引：28
|
作者：
Niewczas, P [1 ]
Madden, WI [1 ]
Michie, WC [1 ]
Cruden, A [1 ]
McDonald, JR [1 ]
机构：
[1] Univ Strathclyde, Ctr Elect Power Engn, Glasgow G1 1XW, Lanark, Scotland
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2001年 / 50卷 / 05期
关键词：
current measurement; digital systems; Faraday effect; magnetooptic transducer;
D O I：
10.1109/19.963160
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze the errors associated with magnetic crosstalk within point type, or unlinked, optical current transducers (OCTs) working in a three-phase electric current transmission systems. For many practical conductor arrangements, the magnetic crosstalk may introduce errors unacceptable for the accuracy requirements demanded from the OCT. A solution to this problem is devised around a unique compensation method which solves, in real time, a set of linear equations, each representing the instantaneous output signal from one phase current sensor.
引用
收藏
页码：1071 / 1075
页数：5
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