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Optimization of Grid-side Current Harmonic Suppression and Digital Control Strategy for Wide-frequency Three-phase PFC Power Modules
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Junhua WANG  Member, CPSS1, Heng CHU  Student Member, CPSS2, Jia SHU  Member, CPSS2, Yan ZHANG  Member, CPSS2, Jinjun LIU  Fellow, CPSS2
Journal of Power Supply | 2026, 24(6) : 144 - 156
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Journal of Power Supply | 2026, 24(6): 144-156
• Power Converter Modeling and Control •
Optimization of Grid-side Current Harmonic Suppression and Digital Control Strategy for Wide-frequency Three-phase PFC Power Modules
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Junhua WANG  Member, CPSS1, Heng CHU  Student Member, CPSS2, Jia SHU  Member, CPSS2, Yan ZHANG  Member, CPSS2, Jinjun LIU  Fellow, CPSS2
Affiliations
  • 1.Xi’an Branch, Tianshui 749 Electronics Co., Ltd., Xi’an 710018, China
  • 2.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Published: 2026-06-30 doi: 10.13234/j.issn.2095-2805.2026.6.144
Outline
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In response to the demand for fully domestic and high-power-density modular power supplies in aviation/vehicle applications, a grid-side current harmonic suppression and digital control strategy optimization method for wide-frequency three-phase power factor correction (PFC) power modules is proposed, which aims to address the challenges of harmonic suppression under wide-frequency input conditions and improve the controller’s resource utilization efficiency. By establishing a d-axis equivalent model of a three-phase PFC system in a rotating coordinate system, a theoretical basis for indirect current control is provided. In addition, a proportional integral resonant (PIR) regulator is introduced into the DC current loop, so as to effectively enhance the harmonic suppression performance. At the embedded architecture level, an interrupt nesting mechanism and a parallel computing architecture using central processing unit/control law accelerator (CPU/CLA) are adopted, significantly increasing the execution frequency of CLA tasks. Experimental results validate the effectiveness of the proposed digital control method in harmonic suppression and resource utilization optimization.

d-axis equivalent model  /  proportional integral resonant (PIR) regulator  /  interrupt nesting  /  control law accelerator (CLA)
王军华中国电源学会会员, 褚恒中国电源学会学生会员, 舒佳中国电源学会会员, 张岩中国电源学会会员, 刘进军中国电源学会会士. 宽频三相PFC电源模块网侧电流谐波抑制及数字控制策略优化. 电源学报, 2026 , 24 (6) : 144 -156 . DOI: 10.13234/j.issn.2095-2805.2026.6.144
Junhua WANG, Heng CHU, Jia SHU, Yan ZHANG, Jinjun LIU. Optimization of Grid-side Current Harmonic Suppression and Digital Control Strategy for Wide-frequency Three-phase PFC Power Modules[J]. Journal of Power Supply, 2026 , 24 (6) : 144 -156 . DOI: 10.13234/j.issn.2095-2805.2026.6.144
Funding
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  • National Natural Science Foundation of China(52177193)
Appendix
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Year 2026 volume 24 Issue 6
28
4
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.6.144
  • Receive Date：2025-08-06
  • Online Date：2026-10-29
  • Published：2026-06-30
Article Data
Affiliations
History
  • Received：2025-08-06
  • Revised：2025-09-22
  • Accepted：2025-10-20
Funding
National Natural Science Foundation of China(52177193)
Affiliations
    1.Xi’an Branch, Tianshui 749 Electronics Co., Ltd., Xi’an 710018, China
    2.School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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