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Inductor Current Feedback Active Damping Method for Reduced DC-Link Capacitance IPMSM Drives

机译：减小直流链路电容IPMSM驱动器的电感器电流反馈有源阻尼方法

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摘要

The LC resonance between the line inductor and the dc-link film capacitor is an important concern in the reduced dc-link capacitance interior permanent magnet synchronous motor drive system. In this paper, an active damping method based on the virtual damping resistor is applied to suppress the LC resonance and improve the drive system stability. The performance of the damping resistor is analyzed in a systematic level, and possible configurations have been analyzed to obtain the optimal solution, which is proved to be the inductor current feedback (ICF) damping method. In order to realize the equivalent damping effect, the dc-link voltage feedback is applied to emulate the ICF-based active damping method by a step-by-step approach. Meanwhile, the grid voltage distortion will stimulate additional harmonics of the grid current in the reduced dc-link capacitance motor drives. Hence a feedforward compensation method is applied to suppress the grid current distortion arising from the distorted grid voltage, which has not been investigated in the previous related researches. Harmonics of the grid current are reduced and requirements of EN61000-3-2 can be satisfied by applying the proposed method. Experiments on a compressor drive platform equipped with the reduced dc-link capacitance are performed to verify the effectiveness of the proposed method.
机译：在减小直流链路电容内部永磁同步电动机驱动系统中，线路电感器和直流链路薄膜电容器之间的LC谐振是一个重要的问题。本文采用基于虚拟阻尼电阻的主动阻尼方法来抑制LC谐振并提高驱动系统的稳定性。从系统的角度分析了阻尼电阻的性能，并分析了可能的配置以获得最佳解决方案，这被证明是电感电流反馈（ICF）阻尼方法。为了实现等效的阻尼效果，通过逐步方法将直流母线电压反馈应用于基于ICF的有源阻尼方法。同时，电网电压失真会在减少的直流母线电容电动机驱动器中刺激电网电流的其他谐波。因此，采用前馈补偿的方法来抑制由于电网电压畸变引起的电网电流畸变，这在以前的相关研究中还没有得到研究。通过应用所提出的方法，可以降低电网电流的谐波，并且可以满足EN61000-3-2的要求。在配备有减小的直流链路电容的压缩机驱动平台上进行了实验，以验证所提出方法的有效性。

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  • 来源
    《IEEE Transactions on Power Electronics》 |2019年第5期|4558-4568|共11页
  • 作者

    Zhao Nannan; Wang Gaolin; Zhang Rongchi; Li Binxing; Bai Yin; Xu Dianguo;

  • 作者单位

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Active damping; distorted grid voltage; inductor current feedback (ICF); reduced dc-link capacitance;

    机译：主动阻尼;扭曲的电网电压;电感器电流反馈（ICF）;降低了直流连接电容;

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