感应电机诊断采用减速试验，有可能改进

38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003. Pub Date : 2003-10-12 DOI:10.1109/IAS.2003.1257824

A. Bellini, C. Concari, F. Filippetti, G. Franceschini, E. Lorenzani, C. Tassoni, H. Toliyat

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引用次数: 3

摘要

对电网感应电机的早期或实际故障进行无创诊断是一项众所周知的技术。电机电流特征分析(MCSA)可用于转子和定子缺陷分析。这些包括频率(1 /spl plusmn/ 2s) f的定子电流谐波，也确定电流空间矢量的负序分量。减速试验有可能消除MCSA在转子和定子故障诊断中的一些缺陷。本文试图将基于mcsa的诊断程序与使用减速试验获得的结果进行比较。实验结果表明，虽然减速试验不能提供转子缺陷的明确信息，但它提供了与短匝数百分比直接相关的诊断指标。该诊断索引可用于验证基于mcsa的诊断过程。

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Induction motors diagnosis using deceleration test, a possible improvement

Noninvasive diagnosis of incipient or actual faults of grid supplied induction machine is a well known technology. Motor current signature analysis (MCSA) can be used for rotor and stator defects. These include stator current harmonics at frequencies (1 /spl plusmn/ 2s) f and also determining the negative sequence component of current space vector. Deceleration tests which possibly can remove several drawbacks of MCSA have been proposed for rotor and stator fault diagnosis. This paper attempts to compare the MCSA-based diagnostic procedures with the results obtained using the deceleration tests. Experimental results show that although the deceleration test does not provide clear information on rotor defects, it provides a diagnostic index directly related to the percentage of shorted turns. This diagnostic index can be used to validate the MCSA-based diagnostic procedure.

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

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