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首页> 外文期刊>Power Electronics, IET >Active motor terminal overvoltage mitigation method for parallel voltage source inverters
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Active motor terminal overvoltage mitigation method for parallel voltage source inverters

机译:并联电压源逆变器的有源电动机端子过压缓解方法

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摘要

Electrical motor fed by voltage source inverters has been known to face transient overvoltage problems caused by the inverter switching operations. With the parallel inverter topology and with the modulation strategy presented in thisstudy, the motor terminal overvoltage can be reduced without any passive filtering. The parallel inverter topology has individual motor leads from each inverter connected at the motor terminals. Modulation strategy for any number of parallel inverters with current balancing is presented. Experimental results are presented for two and three parallel standard industry frequency converters to verify the method.
机译:已知由电压源逆变器供电的电动机面临由逆变器切换操作引起的瞬态过电压问题。利用并行逆变器拓扑和本研究中提出的调制策略,无需任何被动滤波就可以减少电动机端子过电压。并联逆变器拓扑具有来自每个连接在电动机端子上的逆变器的单独电动机引线。提出了任意数量的具有电流平衡的并联逆变器的调制策略。给出了两个和三个并行标准工业变频器的实验结果,以验证该方法。

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