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高压电器  2015 

基于分合闸线圈电流的某换流站开关故障分析

, PP. 141-145

Keywords: 高压断路器,分合闸线圈,线圈电流检测,故障诊断

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Abstract:

高压断路器作为常用的电气设备,分合闸线圈是其操动机构的关键部件,线圈电流反映了断路器的运动特性。文中首先介绍了分合闸线圈的结构,阐述了利用检测分合闸线圈电流信号来判断断路器故障的一种新方法,并针对某换流站550kV断路器的机械故障进行了具体的应用分析,准确诊断了断路器的故障原因。根据分合闸线圈电流提供的状态信息,可以发现高压断路器存在的相关隐患,诊断出断路器的设备状态,提高断路器的状态检测水平,保障电网的安全稳定运行。

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