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Multiple fault detection through information entropy analysis in ASD-fed induction motors

机译:通过ASD供电的感应电动机的信息熵分析进行多重故障检测

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In this work broken rotor bars, misalignment, and unbalance are detected in induction motors powered by an adjustable speed drive (ASD) using the supply electric current information contents. The proposed methodology is implemented in a field programmable gate array offering a low-cost and portable solution for induction motor monitoring in real time. Results show that the introduced approach provides high detectability of treated faults at different rotational speed (30 Hz, 40 Hz, and 50 Hz) making it suitable for reliable online and continuous monitoring of the operational condition since control of the induction motor rotating speed through an ASD is a common practice in industry.
机译:在这项工作中,使用供电电流信息内容,在由可调速驱动器(ASD)供电的感应电动机中,检测到转子条断裂,不对中和不平衡的情况。所提出的方法在现场可编程门阵列中实施,为感应电动机的实时监控提供了一种低成本且便携式的解决方案。结果表明,引入的方法在不同的转速(30 Hz,40 Hz和50 Hz)下具有较高的可检测故障检测能力,因为它可以通过异步电动机控制感应电动机的转速,因此适用于可靠的在线和连续监视运行状态。 ASD是行业中的一种普遍做法。

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