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The Effect of Rotor Winding Faults on Starting Performance of Induction Motors
Author(s): 
Pages: 80-84
Year: Issue:  10
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  感应电动机起动性能故障诊断;
Abstract: 基于多回路理论,建立感应电动机暂态分析的数学模型;分析了感应电动机转子绕组故障对电机起动性能的影响.研究表明,电机转子绕组故障使电机起动转矩下降,谐波转矩大大增加;起动转速上升变缓,起动时间增加,起动困难;定转子起动电流发生畸变,衰减速度下降;定子电流的某一频率分量在电机起动过程中两次出现峰值点.动态分析的某些结论可以用于进行电机转子绕组故障诊断.
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