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首页> 外文期刊>Electric Power Components and Systems >Performance Analysis of Low-Inductance PM Brushless DC Motors Under Stator Inter-Turn Faults
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Performance Analysis of Low-Inductance PM Brushless DC Motors Under Stator Inter-Turn Faults

机译：定子匝间故障下低电感永磁无刷直流电动机的性能分析

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摘要

The article presents a study of the faulty performance of low-inductance VSI-fed PM brushless DC motors under stator inter-turn short circuits. Performance characteristics of the drive system are obtained under normal operation through a discrete-time, lumped-parameter network model. The model is modified to accommodate a short circuit across certain number of turns on one stator phase. Fault current is introduced as an additional state variable in fault cases. A comparative study between system performance under healthy and faulty operations is conducted. Faulty performance is experimentally measured via a specialty wound machine at different operating conditions and various numbers of shorted turns. Good agreement between analytical and experimental results is obtained. Findings of this work can be used to develop fault detection schemes of the system under consideration.
机译：本文介绍了在定子匝间短路情况下低电感VSI馈电永磁无刷直流电动机的故障性能研究。该驱动系统的性能特征是在正常运行下通过离散时间集总参数网络模型获得的。修改了模型，以适应一个定子相上一定匝数上的短路。在故障情况下，将故障电流作为附加状态变量引入。在正常运行和故障运行情况下，对系统性能进行了比较研究。故障性能是通过专用绕线机在不同的工作条件和不同数量的短路匝数下通过实验测量的。分析和实验结果之间取得了良好的一致性。这项工作的发现可用于开发所考虑系统的故障检测方案。

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