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Research on Phase Current Reconstruction of Error Self-correction Complementary Non-zero Vector
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Yongpeng SHEN1, Kexuan WU1, Weihua LIANG1, Chengzhong WU2
Journal of Power Supply | 2025, 23(1) : 76 - 83
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Journal of Power Supply | 2025, 23(1): 76-83
• DC-AC Inverters •
Research on Phase Current Reconstruction of Error Self-correction Complementary Non-zero Vector
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Yongpeng SHEN1, Kexuan WU1, Weihua LIANG1, Chengzhong WU2
Affiliations
  • 1 School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
  • 2 National Engineering Research Center of RVC, Hunan University, Changsha 410082, China
Published: 2025-01-30 doi: 10.13234/j.issn.2095-2805.2025.1.76
Outline
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Aimed at the problems of current unobservable area and zero drift error in the traditional space vector pulse width modulation with single-sensor phase current reconstruction method, an error self-correction complementary non-zero vector pulse width modulation method is proposed. Through the analysis of the DC bus sample principle, the minimum sample time is defined, the complementary non-zero vector is used to replace the zero voltage vector, and the current sampling window is extended, thus eliminating the sector boundary unobservable area. At the same time, the generation mechanism of error amplification effect is revealed, and the zero drift is detected and self-corrected by means of double-sampling complementary non-zero vector, which realizes the compensation for current zero drift reconstruction. Experimental results show that the reconstruction error of the proposed method was lower than 1.26%, and the phase current THD was lower than 6.15%.

Single sensor  /  phase current reconstruction  /  zero drift  /  error self-correction complementary non-zero vector pulse width modulation
Yongpeng SHEN, Kexuan WU, Weihua LIANG, Chengzhong WU. Research on Phase Current Reconstruction of Error Self-correction Complementary Non-zero Vector[J]. Journal of Power Supply, 2025 , 23 (1) : 76 -83 . DOI: 10.13234/j.issn.2095-2805.2025.1.76
Funding
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  • National Natural Science Foundation of China(61803345)
  • Henan Science and Technology Research Project(222102240005)
  • Young Backbone Teacher Training Program of Henan Province(2021GGJS089)
Appendix
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Year 2025 volume 23 Issue 1
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343
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.1.76
  • Receive Date：2022-05-15
  • Online Date：2025-07-01
  • Published：2025-01-30
Article Data
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History
  • Received：2022-05-15
  • Revised：2022-09-23
  • Accepted：2022-10-09
Funding
National Natural Science Foundation of China(61803345)
Henan Science and Technology Research Project(222102240005)
Young Backbone Teacher Training Program of Henan Province(2021GGJS089)
Affiliations
    1 School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China
    2 National Engineering Research Center of RVC, Hunan University, Changsha 410082, China
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