Fourier analysis of motor current for diagnosis of broken bars in squirrel-cage induction machines

M. R. Mehrjou, N. Mariun, M. Marhaban, N. Misron
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引用次数: 5

Abstract

Condition monitoring, signal processing and data analysis are the key parts of the induction machine (IM) fault detection scheme. Frequency analysis of the signal acquired through the condition monitoring is commonly applied for motor fault detection. This paper is intended to investigate the ability and effectiveness of Fourier analysis of motor current for broken rotor bar detection. Accordingly, the current signals at different amount of load were measured and analyzed for broken rotor bar diagnosis in a squirrel-cage induction machine.
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鼠笼式感应电机断条电机电流的傅里叶分析
状态监测、信号处理和数据分析是感应电机故障检测方案的关键部分。对状态监测获得的信号进行频率分析是电机故障检测的常用方法。本文旨在研究电机电流傅立叶分析在转子断条检测中的能力和有效性。在此基础上,对鼠笼式感应电机在不同负载情况下的电流信号进行了测量和分析,用于诊断鼠笼式感应电机转子断条。
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