基于时频联合分析的永磁同步电机定子短路检测

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives Pub Date : 2007-12-04 DOI:10.1109/DEMPED.2007.4393131

J. Rosero, J. Cusidó, A. García, L. Romeral, J. Ortega

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引用次数: 14

摘要

介绍并分析了永磁同步电动机的短路故障。研究包括实际实验条件下的速度瞬变。采用时频谱分布(SP)、Wigner Ville分布(WD)和解析小波变换(AWT)对定子电流进行分析;并根据Ridge-AWT算法计算该分布的局部最大值的车辙值。实验室实验结果验证了分析结果，并证明时频分析可用于检测和识别同步电机的短路故障*。

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Detection of Stator Short Circuits in PMSM by mean of joint Time-Frequency Analysis

This paper presents and analyzes short circuit failures for permanent magnet synchronous motor (PMSM). The study includes speed transients in realistic experimental conditions. The stator current is analyzed by means of time-frequency spectral distribution (SP), Wigner Ville distribution (\WD) and Analytical Wavelet Transform (AWT); also, the ruts value of the local maximum for this distribution is calculated as indicated by Ridge-AWT algorithm. Experimental laboratory results validate the analysis and demonstrate that the time-frequency analysis can be applied to detect and identify short circuit failures in synchronous machines*.

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来源期刊

2007 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives

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