基于小波分析永磁同步电机匝间短路故障检测

Journal of Hebei Normal University(Natural Science Edition)(2019)

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Abstract
为研究电动汽车永磁同步电机匝间短路故障的检测方法,首先建立永磁同步电机匝间短路故障的有限元仿真模型;然后,在多种工况下对正常电机和故障电机的定子电流进行小波分析,提取特征频段系数的均方根(RMS)作为匝间短路故障检测的依据,并设定故障检测的阀值.实验结果表明,基于定子电流小波分析的方法能够检测电动汽车永磁同步电机匝间短路的故障.
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