Failure identification of induction motor using SFRA method

M. Brandt, S. Kaščák
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引用次数: 6

Abstract

This paper deals with experimental measurements and analysis of frequency responses SFRA (Sweep Frequency Response Analysis) measured on induction machines (IM) to the rated power of 5kW. For the rotating machines will be established the measurement procedure of frequency responses by comparing the methodology used for power transformers to respect the International standard IEC 60076-18. For the applying method SFRA for the purpose of diagnosis and analysis of the rotating machine state there are processed the results from the standard used electric diagnostic measurements for the rotating machines - measurement of the insulation condition, stator winding resistance with squirrel cage rotor and armature winding. The purpose of the experimental measurements is implementation of the SFRA method for the failure identification that arise in power IM with the rated power over 10 kW.
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基于SFRA方法的异步电动机故障识别
本文研究了感应电机(IM)在额定功率为5kW时的频率响应SFRA(扫描频率响应分析)的实验测量和分析。根据国际标准IEC 60076-18,通过比较电力变压器使用的方法,将为旋转机器建立频率响应的测量程序。应用SFRA方法对旋转机械状态进行诊断和分析,对旋转机械的常用电气诊断测量标准——鼠笼式转子的绝缘状态、定子绕组电阻和电枢绕组的测量结果进行了处理。实验测量的目的是实现SFRA方法在额定功率大于10kw的功率IM中出现的故障识别。
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