| 双变量交交变频双馈电动机功率因数控制研究 |
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| 引用本文： | 高曼曼,杜庆楠.双变量交交变频双馈电动机功率因数控制研究[J].工矿自动化,2014(9):70-74. |
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| 作者姓名： | 高曼曼 杜庆楠 |
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| 作者单位： | 商丘学院电子信息工程学院;河南理工大学电气工程与自动化学院; |
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| 摘 要： | 分析了双馈电动机的数学模型,推导出电动机定子侧电流与转子侧电流的关系;采用双变量交交变频器为双馈电动机提供变频励磁电源,并通过控制变频器输出电压的幅值、频率来控制转子侧电流;通过实验研究转子侧电流对双馈电动机定子侧功率因数的影响,得出可以通过控制转子侧电流来调节电动机功率因数的结论。
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| 关 键 词： | 双馈电动机 双变量 交交变频器 功率因数 |
Research of power factor control of double-variable cycloconverter double-fed motor |
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| Abstract: | Mathematical model of double-fed motor was analyzed and relationship between stator current and rotor current of the motor was derived theoretically.Double-variable cycloconverter was used to provide frequency conversion excitation power for double-fed motor,and rotor current was controlled by controlling amplitude and frequency of output voltage of the converter.The impact of rotor current on stator power factor of double-fed motor was studied experimentally,and conclusions was derived that power factor of the motor can be adjusted by controlling rotor current. |
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| Keywords: | double-fed motor double-variable cycloconverter power factor |
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