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Analysis and Suppression of Zero Sequence Circulating Current in Open Winding PMSM Drives With Common DC Bus

机译:用公共直流母线分析和抑制开路绕组永磁同步电动机零序循环电流

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摘要

In this paper, the zero sequence circulating current in open winding permanent magnet synchronous machine (OW-PMSM) drives with common dc bus is systematically analyzed for the first time. It is revealed that the zero sequence circulating current is affected by zero sequence back-electromotive force, cross coupling voltages in zero sequence from the machine side, pulse-width modulation induced zero sequence voltage, and inverter nonlinearity from the inverter side. Particularly, the influences from the cross coupling voltages in zero sequence and parasitic effect of inverter nonlinearity are investigated for the first time in this paper. Then, the synthetic model of the equivalent zero sequence circuit is proposed as well. Each cause is studied independently via analytical modeling, finite element analysis, and experiments. Meanwhile, to tackle this issue, the relevant suppression strategy using frequency adaptive proportional resonant controller is presented and tested on the 3 kW OW-PMSM platform.
机译:本文首次对具有公共直流母线的开式永磁同步电机(OW-PMSM)驱动器中的零序循环电流进行了系统的分析。结果表明,零序循环电流受零序反电动势,机器侧零序交叉耦合电压,脉宽调制感应的零序电压以及逆变器侧逆变器非线性的影响。特别是,本文首次研究了零序交叉耦合电压的影响以及逆变器非线性的寄生效应。然后,提出了等效零序电路的综合模型。可以通过分析建模,有限元分析和实验来独立研究每个原因。同时,为了解决这个问题,提出了使用频率自适应比例谐振控制器的相关抑制策略,并在3 kW OW-PMSM平台上进行了测试。

著录项

  • 作者

    Zhan H.; Zhu Z.Q.; Odavic M.;

  • 作者单位
  • 年度 2017
  • 总页数
  • 原文格式 PDF
  • 正文语种 en
  • 中图分类
  • 入库时间 2022-08-31 16:18:26

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