A Dual-three Phase Soft Switching Motor Drive Topology and Modulation Strategy With Low Common Mode Voltage

ZOU Hui; PAN Shangzhi; LIN Zisen; LIN Wenqiang; WANG Ruixuan; GONG Jinwu; ZHA Xiaoming

doi:10.13334/j.0258-8013.pcsee.242717

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A Dual-three Phase Soft Switching Motor Drive Topology and Modulation Strategy With Low Common Mode Voltage

更新时间：2026-10-05

- A Dual-three Phase Soft Switching Motor Drive Topology and Modulation Strategy With Low Common Mode Voltage
- Vol. 46, Issue 12, Pages: 5105-5117(2026)
- 作者机构：
  
  综合能源电力装备及系统安全湖北省重点实验室(武汉大学电气与自动化学院),湖北省,武汉市,430072
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.242717
  CLC：
- Published：2026
- 稿件说明：
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ZOU Hui, PAN Shangzhi, LIN Zisen, et al. A Dual-three Phase Soft Switching Motor Drive Topology and Modulation Strategy With Low Common Mode Voltage[J]. 2026, 46(12): 5105-5117.
DOI：

ZOU Hui, PAN Shangzhi, LIN Zisen, et al. A Dual-three Phase Soft Switching Motor Drive Topology and Modulation Strategy With Low Common Mode Voltage[J]. 2026, 46(12): 5105-5117. DOI： 10.13334/j.0258-8013.pcsee.242717.

摘要

针对双三相永磁同步电机应用场景，提出一种新型双三相同步辅助谐振极软开关逆变器电机驱动拓扑及自适应边沿对齐调制策略。所提拓扑利用2个谐振电感同步辅助实现所有主电路开关的零电压开通，有效降低主开关器件的开关损耗，所提调制策略通过同步辅助降低辅助支路的控制复杂度，减少对控制器资源的占用。通过对所提调制策略的开关矢量变化过程分析表明，所提策略同样能够抑制双三相系统共模电压至0.167Udc。最后，通过仿真和实验，证所提方法的有效性。

Abstract

For dual three-phase permanent magnet synchronous motor (DT-PMSM) applications

this paper proposes a novel dual three-phase synchronous auxiliary resonant pole (DTSARCP) soft-switching inverter topology and an adaptive edge-aligned pulse-width modulation strategy (AEA-PWM). The proposed topology employs two resonant inductors for synchronous assistance

achieving zero-voltage switching (ZVS) for all main circuit switches

thereby effectively reducing the switching losses of the main switches. The proposed modulation strategy simplifies the control complexity of the auxiliary circuit through synchronous assistance

minimizing the utilization of control resources. An analysis of the switching vector transitions under the proposed strategy shows that it also suppresses the common-mode voltage of the dual three-phase system to 0.167Udc. Finally

simulations and experiments validate the effectiveness of the proposed method.

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