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Zero Common-mode Voltage Modulation Strategy for Dual PWM Converter System Based on MPC
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Ye XIA1, Gongming ZHENG  Member, CPSS1, Hanshu ZHANG2, Zhixiu CHEN2
Journal of Power Supply | 2025, 23(7) : 105 - 115
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Journal of Power Supply | 2025, 23(7): 105-115
• Modeling and Control •
Zero Common-mode Voltage Modulation Strategy for Dual PWM Converter System Based on MPC
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Ye XIA1, Gongming ZHENG  Member, CPSS1, Hanshu ZHANG2, Zhixiu CHEN2
Affiliations
  • 1.School of Electronic Information and Electrical Engineering, Yangtze University, Jingzhou 434023, China
  • 2.School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan 430074, China
Published: 2025-11-30 doi: 10.13234/j.issn.2095-2805.2025.7.105
Outline
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At present, there are numerous modulation schemes for eliminating the common-mode voltage. Although the existing zero common-mode voltage modulation scheme does not change the target voltage vector output, it will increase the harmonic content of three-phase current on the motor side and grid side, resulting in total harmonic distortion. To ensure the zero common-mode voltage modulation while reducing the harmonic content of a dual pulse width modulation (PWM) converter system, a model predictive control algorithm based on the dual PWM converter system is proposed. Based on the symmetry of the dual PWM converter system, the PWM strategy has more degrees of freedom, and the zero common-mode voltage modulation can be realized within the range of degrees of freedom. On this basis, an energy model of current harmonics is designed and established, and the modulation strategy with the minimum harmonic content in each control cycle is obtained by model predictive control. Finally, the optimization effect of the proposed algorithm was verified by simulation and experimental results.

Degree of freedom  /  model predictive control  /  current harmonic  /  cost function  /  optimal solution
夏晔, 郑恭明中国电源学会会员, 张涵舒, 陈之秀. 基于MPC的双PWM变换器系统零共模电压调制策略. 电源学报, 2025 , 23 (7) : 105 -115 . DOI: 10.13234/j.issn.2095-2805.2025.7.105
Ye XIA, Gongming ZHENG, Hanshu ZHANG, Zhixiu CHEN. Zero Common-mode Voltage Modulation Strategy for Dual PWM Converter System Based on MPC[J]. Journal of Power Supply, 2025 , 23 (7) : 105 -115 . DOI: 10.13234/j.issn.2095-2805.2025.7.105
Funding
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  • National Natural Science Foundation of China(62073147; 61573159)
Appendix
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Year 2025 volume 23 Issue 7
44
3
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.7.105
  • Receive Date：2023-03-08
  • Online Date：2026-10-26
  • Published：2025-11-30
Article Data
Affiliations
History
  • Received：2023-03-08
  • Revised：2023-09-11
  • Accepted：2023-12-04
Funding
National Natural Science Foundation of China(62073147; 61573159)
Affiliations
    1.School of Electronic Information and Electrical Engineering, Yangtze University, Jingzhou 434023, China
    2.School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan 430074, China
References
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