浙江电力

2018, v.37;No.263(03) 89-93

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一起电流互感器二次回路开路故障分析与处理
Analysis and Treatment on Open Circuit Fault in Secondary Circuit of Current Transformer

丁冬,马伟,吴靖,林森,林伟力
DING Dong,MA Wei,WU Jing,LIN Sen,LIN Weili

摘要(Abstract):

电流互感器作为保护、测控、计量等装置的重要组成部分,是电力系统安全、可靠运行的基础。结合一起主变压器保护装置在特殊运行方式下的电流二次回路开路故障,通过对主变保护的电流二次回路接线方式进行分析,辨识了开路故障的具体位置,并提出了3种解决方案。同时,为避免电流互感器二次回路开路故障对人身、电网和设备安全带来危害,提出了相应的防范措施,供专业人员借鉴参考。
As an important component of the protection, monitoring, measurement and other devices, the current transformer(TA) is the basis for the safe and reliable operation of power system. This paper introduces an open circuit fault in secondary circuit of TA under the special operation mode of a main transformer protection and analyzes the connection mode of secondary circuit of main transformer to identify the precise location of open circuit; besides, it proposes three solutions. Meanwhile, in order to prevent harm of open circuit on human body, power grid and equipment safety, the paper proposes some countermeasures to provide personnel with reference.

关键词(KeyWords): 电流互感器;二次回路;开路故障;防范措施
current transformer;secondary circuit;open circuit fault;countermeasures

Abstract:

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作者(Author): 丁冬,马伟,吴靖,林森,林伟力
DING Dong,MA Wei,WU Jing,LIN Sen,LIN Weili

DOI: 10.19585/j.zjdl.201803019

参考文献(References):

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