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    【24h】Model-Based Hysteresis Loss Assessment in PMSMs With Ferrite Magnets

    机译铁氧体永磁永磁同步电机中基于模型的磁滞损耗评估

    【摘要】Hysteresis losses in ferrite permanent magnets (PMs) of a rotor-surface-magnet (RSM) PM synchronous machine (PMSM) were studied by means of vibrating sample magnetometer (VSM) measurements, updated static history dependent hysteresis model (HDHM) and finite element analysis (FEA). Open magnetic circuit VSM measurement results were applied to determine the magnet intrinsic properties. The HDHM developed originally for electrical steel hysteresis modeling is adopted for ferrite PM material. FEA-based results for magnetic field strength in PMs of a tooth coil winding RSM PMSM under ideal sinusoidal and frequency converter supplies were used as input data for the HDHM and the hysteresis losses were calculated in the machine's magnets. Differently from NdFeB and SmCo PMs ferrite PMs do not seem to demonstrate significant hysteresis behavior. It was found that the hysteresis loss could be neglected in ferrite PMs in most PMSM designs if the magnet is fully polarized.

    【摘要机译】通过振动样品磁强计(VSM)测量,更新的静态历史相关磁滞模型(HDHM)和有限元方法研究了转子表面磁体(RSM)永磁同步电机(PMSM)的铁氧体永磁体(PMs)的磁滞损耗分析(FEA)。将开路磁路VSM测量结果应用于确定磁体的固有特性。铁氧体永磁材料采用了最初为电工钢磁滞模型开发的HDHM。在理想正弦波和变频器电源下,基于FEA的齿圈绕组RSM PMSM的PM中磁场强度的结果用作HDHM的输入数据,并在机器的磁体中计算了磁滞损耗。与NdFeB和SmCo PMs不同,铁氧体PM似乎没有显示出明显的磁滞行为。已经发现,如果磁体完全极化,则在大多数PMSM设计中,铁氧体PM中的磁滞损耗可以忽略不计。

    【作者】Dmitry Egorov;Ilya Petrov;Joosep Link;Raivo Stern;Juha J. Pyrhönen;

    【作者单位】;

    【年(卷),期】2018(65),1

    【年度】2018

    【页码】179-188

    【总页数】10

    【原文格式】PDF

    【正文语种】eng

    【中图分类】;

    【关键词】Magnetic hysteresis;Magnetic field measurement;Ferrites;Loss measurement;Magnetometers;Magnetic circuits;Demagnetization;

    机译 磁滞;磁场测量;铁氧体;损耗测量;磁力计;磁路;消磁;
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