于文斌;杨以涵;郭志忠;周建新;

• 1:华北电力大学电气与电子工程学院
• 2:哈尔滨工业大学电气工程学院
• 3:国电南瑞科技股份有限公司

摘要(Abstract)：

基于法拉第磁光效应原理的光学电流互感器存在运行稳定性差的问题,其主要表现为直流工作光强的逐步衰竭。文章分析了闭合光路与直通光路光学电流传感头的结构特点,从光路耦合效率的角度讨论了光学电流传感头光程长度引起的光路耦合损耗对直流工作光强的影响,从理论上论证了直通光路结构具有更好的温度稳定性。文章最后介绍了直流光路结构的应用,提出采用直通光路的螺线管聚磁光路结构具有测量灵敏度高、抗外界电磁干扰能力强、结构简单稳定等优点,具有很好的实用化前景。

关键词(KeyWords)： 光学电流互感器;法拉第磁光效应;运行稳定性;光程长度;耦合效率;螺线管聚磁光路结构

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 于文斌;杨以涵;郭志忠;周建新;

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DOI:

参考文献(References)：

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