永磁半波整流无刷同步电机分析

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting Pub Date : 1990-10-07 DOI:10.1109/IAS.1990.152178

J. Oyama, T. Higuchi, T. Abe, E. Yamada

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引用次数: 9

摘要

对半波整流无刷同步电动机进行了理论研究。新型无刷同步电动机的励磁不仅由二极管对励磁绕组中的电动势进行整流所产生的励磁电流来励磁，而且还由永磁体来励磁。电动势由以同步速度旋转和以偏置频率脉动的MMF感应产生。推导了特性方程，研究了调制函数波形和激励方式对性能特性的影响。计算结果与实验结果吻合较好。理论研究证实，三角波对调制函数最有利，使用永磁体励磁可提高功率因数。

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Analysis of half-wave rectified brushless synchronous motor with permanent magnets

A theoretical study of a half-wave rectified brushless synchronous motor is described. The field of the new type of brushless synchronous motor is excited not only by the field current obtained by rectifying the EMF in the field winding with a diode, but also by permanent magnets. The EMF is induced by the MMF which rotates at synchronous speed and pulsates at bias frequency. The characteristic equations are derived, and the effects of modulation function waveform and excitation method on the performance characteristics are investigated. The calculated results of the performance characteristics agree well with experimental results. It is confirmed from the theoretical study that the triangular wave is most advantageous for the modulation function and that the use of permanent magnet excitation improves the power factor.<>

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Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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