变频器控制对永磁同步电机转子故障状态监测的影响

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257736

W. L. le Roux, R. Harley, T. Habetler

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引用次数: 7

摘要

本文将电机电流特征分析用于永磁同步电机转子故障检测。具体来说，速度控制器的带宽(PMSM驱动器)在检测这些故障的影响进行了研究。例如，计算出的电磁转矩波形中的故障谐波可以用来区分转子故障和变负载转矩现象。进一步表明，根据调速控制器带宽的不同，故障谐波信息可能主要分布在定子电流中，也可能主要分布在电压中，或者分布在两者之间。Keywords-component;永磁同步电机;状态监测;动态偏心

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Converter control effects on condition monitoring of rotor faults in permanent magnet synchronous machines

Motor current signature analysis is used to detect rotor faults in permanent magnet synchronous machines (PMSM) in this paper. Specifically, the effects of the speed-controller bandwidth (of the PMSM drive) in detecting these faults are examined. For instance, it is shown that the fault harmonics in the calculated electromagnetic torque waveform can be used to distinguish between a rotor fault and a varying load torque phenomenon. It is further shown that, depending on the value of speed-controller bandwidth, the fault harmonic information may be mostly in the stator current, mostly in the voltage, or distributed between both. Keywords-component; Permanent magnet synchronous machines; condition monitoring; dynamic eccentricity

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38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.

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