开关周期对无刷直流电机运行影响的定量研究

2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia) Pub Date : 2016-05-22 DOI:10.1109/IPEMC.2016.7512386

Jian Shi, Xiaowei Wang, Shuang Wang

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引用次数: 0

摘要

无刷直流电动机(BLDCM)驱动的脉宽调制(PWM)开关周期的存在会导致换相延迟问题，特别是当一个步进的开关周期(Tu)很少时。本文对该换相延迟问题进行了分析和计算，推导了一步Tu数与定子电流瞬时波动幅度的关系。仿真和实验结果验证了分析的准确性。本文的研究结果有助于进一步了解无刷直流电机的工作过程，并定量地选择某些无刷直流电机驱动器的最佳开关周期。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Quantitative study of the influence of switching period on brushless DC motor operation

The existence of Pulse Width Modulation (PWM) switching period of a brushless dc motor (BLDCM) drive may cause commutation delay problem, especially when there are few switching periods (Tu) within one step. In this paper, this commutation delay problem was analyzed and calculated, the relationship between the number of Tu in one step and the instantaneous fluctuation magnitude of stator current was deduced. The simulation and experiment results verified the accuracy of the analysis. The results in this paper are useful for further understanding of BLDCM operating process and quantitatively choosing the optimal switching period of some BLDCM drive.

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2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)

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