| 无刷直流电动机电流波形分析 |
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| 引用本文： | 解恩,刘卫国,杨前,侯红胜.无刷直流电动机电流波形分析[J].微特电机,2007,35(12):7-8,23. |
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| 作者姓名： | 解恩 刘卫国 杨前 侯红胜 |
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| 作者单位： | 西北工业大学,陕西西安,710072 |
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| 摘 要： | 着重分析无刷直流电动机(BLDCM)电枢电流波形。理论上,由于BLDCM的转子采用永磁体励磁,电机气隙理想磁场为梯形波磁场,当采用方波电压控制时,电枢电流应为方波电流,而实际上电流波形并非方波,其主要原因是由于绕组反电势并非理想梯形波。
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| 关 键 词： | 无刷直流电动机(BLDCM) 反电势 电枢电流 |
| 文章编号： | 1004-7018（2007）12-0007-02 |
| 收稿时间： | 2007-05-08 |
| 修稿时间： | 2007年5月8日 |
Analysis of Brushless DC Motor Current Waveform |
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| XIE En,LIU Wei-guo,YANG Qian,HOU Hong-sheng.Analysis of Brushless DC Motor Current Waveform[J].Small & Special Electrical Machines,2007,35(12):7-8,23. |
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| Authors: | XIE En LIU Wei-guo YANG Qian HOU Hong-sheng |
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| Abstract: | The armature current waveform of BLDCM were analyzed.Theoretically,because the BLDCM rotor used the permanent-magnet excitation,and the motor air gap ideal magnetic field waveform was trapezoidal,when the square-wave voltage control was used,the armature current waveform should be the squarewave.But in fact the current waveform was the square-wave.Its main reason was because winding back electromotive force waveform was not ideal trapezoidal. |
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| Keywords: | brushless DC motor(BLDCM) back electromotive force armature current |
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