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Assessment of current and voltage signature analysis for the diagnosis of rotor magnet demagnetization in five-phase AC permanent magnet generator drives

机译:电流和电压特征分析的评估,用于诊断五相交流永磁发电机驱动器中的转子磁铁退磁

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Multiphase permanent magnet generators are becoming attractive alternative for a variety of industry applications. In this context, diagnosing the status of the rotor magnets is necessary to guaranty the required efficiency of the generators. This paper deals with two techniques suitable for quantifying the level of rotor demagnetization in closed-loop controlled five-phase AC permanent magnet machines. More specifically, the paper is aimed to identify the control impact on magnet demagnetization detectability based on voltage and current signature analysis. The analysis shows that the last approach has the advantage of being less dependent on the operating point of the generator. The proposed comparative study is analytically established, and validated by means of numerical simulations thereby. (C) 2018 International Association for Mathematics and Computers in Simulation (IMACS). Published by Elsevier B.V. All rights reserved.
机译:多相永磁发电机正在成为各种工业应用的有吸引力的替代产品。在这种情况下,必须对转子磁铁的状态进行诊断,以确保所需的发电机效率。本文研究了两种适用于量化闭环控制的五相交流永磁电机中转子退磁水平的技术。更具体地说,本文旨在基于电压和电流特征分析来确定控制对磁体退磁可检测性的影响。分析表明,最后一种方法的优点是较少依赖发电机的工作点。拟议的比较研究已通过分析建立,并由此通过数值模拟进行了验证。 (C)2018国际模拟数学与计算机协会(IMACS)。由Elsevier B.V.发布。保留所有权利。

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