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高压电器  2014 

永磁式真空断路器的仿真建模与故障分析

, PP. 36-41

Keywords: 永磁式真空断路器,ADAMS,四参数法,在线监测

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Abstract:

真空断路器是中压配电网的关键设备,其运行可靠性对于配电网安全至关重要。由于断路器本身结构和电气特性比较复杂,如何通过少量的运行状态参数(如在线监测获得的分合闸行程曲线)准确评判其工作性能,是广受关注的问题。笔者针对许继集团永磁式真空断路器开展研究,采用ADAMS与ANSOFT软件相结合,找到了断路器中电特性、力特性和机械运动特性的相互关系,并进而在在线监测主轴角位移行程曲线和永磁线圈电流基础上,提出了评估断路器机械状态的方法及判据。

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