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首页> 外文会议>8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics Drives >Using only the DC current information to detect stator turn faults in automotive claw-pole alternators
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Using only the DC current information to detect stator turn faults in automotive claw-pole alternators

机译：仅使用直流电流信息来检测汽车爪极交流发电机中的定子匝间故障

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The stator turn fault is an important type of fault in automotive claw-pole alternators. In a typical vehicle electric system, however, it is difficult to access the AC current or voltage information of the claw-pole alternator, making conventional sequence-component-based fault detectors useless. This paper analyzes the effects of a full-bridge rectifier on the three-phase unbalanced system. A novel stator turn fault detector was proposed using only the alternator output current measurement. The performance of the stator turn-fault detector is demonstrated both by finite-element simulation and by extensive experimental results. The effect of the winding layout on stator turn fault detection is also discussed. Although the fault detector is originally proposed for claw-pole alternators, it is also applicable to most poly-phase AC generators with a DC link rectifier.
机译：定子匝间故障是汽车爪极交流发电机中的一种重要故障类型。然而，在典型的车辆电气系统中，很难访问爪极交流发电机的交流电流或电压信息，从而使传统的基于序列分量的故障检测器变得无用。本文分析了全桥整流器对三相不平衡系统的影响。提出了仅使用交流发电机输出电流测量的新型定子匝间故障检测器。定子故障传感器的性能通过有限元仿真和广泛的实验结果得到了证明。还讨论了绕组布局对定子匝间故障检测的影响。尽管故障检测器最初是为爪极式交流发电机提出的，但它也适用于大多数具有直流链路整流器的多相交流发电机。

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