Triple-space Zero Harmonic Modulation of Dual Three-phase Open-winding PMSMs Driven by H-Bridge

HE Yang; XING Lifeng; PANG Yaqi; ZHAO Wenxiang; WANG Zheng

doi:10.13334/j.0258-8013.pcsee.241606

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Triple-space Zero Harmonic Modulation of Dual Three-phase Open-winding PMSMs Driven by H-Bridge

更新时间：2026-07-17

- Triple-space Zero Harmonic Modulation of Dual Three-phase Open-winding PMSMs Driven by H-Bridge
- Vol. 46, Issue 4, Pages: 1626-1639(2026)
- 作者机构：
  
  1. 江苏大学电气信息工程学院,江苏省,镇江市,212013
  2. 南京工程学院电力工程学院,江苏省,南京市,211167
  3. 东南大学电气工程学院,江苏省,南京市,210096
- 作者简介：
- 基金信息：
- DOI：10.13334/j.0258-8013.pcsee.241606
  CLC：
- Published：2026
- 稿件说明：
移动端阅览
HE Yang, XING Lifeng, PANG Yaqi, et al. Triple-space Zero Harmonic Modulation of Dual Three-phase Open-winding PMSMs Driven by H-Bridge[J]. 2026, 46(4): 1626-1639.
DOI：

HE Yang, XING Lifeng, PANG Yaqi, et al. Triple-space Zero Harmonic Modulation of Dual Three-phase Open-winding PMSMs Driven by H-Bridge[J]. 2026, 46(4): 1626-1639. DOI： 10.13334/j.0258-8013.pcsee.241606.

摘要

采用H桥驱动拓扑的双三相开绕组永磁同步电机(dual three-phase open-winding permanent magnet synchronous motor，DTP-OW-PMSM)将双三相电机的中性点打开后，由于零序回路的影响，三次谐波反电势在绕组内产生较大的三次谐波电流，严重影响了双三相开绕组永磁电机的运行效能，制约了其在高品质伺服系统中的应用。而现有的双三相电机低谐波调制策略仅考虑基波和谐波空间，并未对零序空间构建空间矢量集并实现零谐波调制。为此，该文提出基于H桥驱动的DTP-OW-PMSM三子空间矢量集构建方法及零谐波调制策略。根据DTP-OW-PMSM在H桥驱动拓扑下的空间矢量分布，简化并选取基波(α-β)空间和谐波(x-y)空间电压矢量，构建双子空间矢量控制集；针对零序分量，选取4个最大幅值的非全零矢量，构建零序(o1-o2)空间矢量控制集。在双子空间下，提出四维耦合矢量调制策略；在零序空间下，提出基于非全零矢量再分配的零谐波调制策略。实验结果表明，所设计的DTP-OW-PMSM三子空间零谐波调制方法，通过各阶次谐波闭环控制，能有效抑制系统的谐波电流，显著提升双三相开绕组永磁电机的运行效能。

Abstract

The dual three-phase open-winding permanent magnet synchronous motor (DTP-OW-PMSM) with H-bridge topology generates the third harmonic current in the zero-sequence circuit due to the opening neutral point

which seriously affects the motor efficiency and restricts its application in high-quality servo systems. However

the existing low harmonic modulation methods for dual three- phase permanent magnet motors only consider the fundamental harmonic spaces

while neglecting to establish a zero- sequence space vector set for zero harmonic modulation. This paper proposes a triple-space vector set and a zero harmonic modulation strategy for the H-bridge driven DTP-OW-PMSM system. Based on the vector distribution of the DTP-OW- PMSM with H-bridge topology

the dual-space vector control set is established by using simplified vectors in the fundamental (α-β) and harmonic (x-y) spaces. For the zero- sequence (o1-o2) space

four maximum zero vectors are selected to construct the zero-sequence space vector control set. Moreover

a four-dimensional coupled modulation strategy is designed in the dual-space and a zero vector redistribution method is proposed in the zero-sequence space. Experimental results show that the proposed modulation method

combining with harmonic closed-loop control

effectively suppresses low-order harmonic current and significantly enhances the performance of the DTP-OW-PMSM.

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