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Dynamic Compensation Control Strategy for Inverter Based on Extended State Observer
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Changbin HU  Member, CPSS1, Haiyang HUANG1, Shanna LUO1, Heng LU2
Journal of Power Supply | 2026, 24(6) : 95 - 105
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Journal of Power Supply | 2026, 24(6): 95-105
• Power Converter Modeling and Control •
Dynamic Compensation Control Strategy for Inverter Based on Extended State Observer
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Changbin HU  Member, CPSS1, Haiyang HUANG1, Shanna LUO1, Heng LU2
Affiliations
  • 1.School of Electrical and Control Engineering, North China University of Technology, Beijing 100144, China
  • 2.Institute of Automatic Control and Complex Systems, University Duisburg-Essen, Duisburg 47057, Germany
Published: 2026-06-30 doi: 10.13234/j.issn.2095-2805.2026.6.95
Outline
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Aimed at the problem that the performance of model predictive control will decrease significantly when the predictive model is not accurate, a dynamic compensation strategy based on an extended state observer (ESO) is proposed, which is on the basis of voltage model predictive control. This strategy can not only improve the response speed and accuracy of the inverter system, but also suppress the influences of parameter perturbation and disturbance. First, the inverter state space equation of a LC filter is established, and the influences of parameter perturbation and current disturbance on the output voltage from the inverter system are analyzed. Next, a voltage model predictive controller is designed based on the nominal model of the inverter system. Then, an ESO is established through the local input and output information, so as to accurately estimate the internal and external disturbances of the system. In addition, a reverse compensation controller is designed, thus effectively suppressing the output voltage sag, swell and distortion of the inverter. Finally, this strategy was verified on an actual inverter platform PEK-530A. Experiments with various load disturbances and parameter perturbations under different working conditions were designed to validate the effectiveness and correctness of the proposed strategy.

Model uncertainty  /  model predictive control  /  dynamic compensation control  /  power quality
胡长斌中国电源学会会员, 黄海扬, 罗珊娜, 陆珩. 基于扩展状态观测器的逆变器动态补偿控制策略. 电源学报, 2026 , 24 (6) : 95 -105 . DOI: 10.13234/j.issn.2095-2805.2026.6.95
Changbin HU, Haiyang HUANG, Shanna LUO, Heng LU. Dynamic Compensation Control Strategy for Inverter Based on Extended State Observer[J]. Journal of Power Supply, 2026 , 24 (6) : 95 -105 . DOI: 10.13234/j.issn.2095-2805.2026.6.95
Funding
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  • Hebei Province Major Scientific and Technological Achievements Transformation Project(23284503Z)
  • National Key R&D Program Key Special Project for Intergovernmental Cooperation in International Science and Technology Innovation(2021YFE0103800)
Appendix
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Year 2026 volume 24 Issue 6
36
4
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.6.95
  • Receive Date：2024-05-16
  • Online Date：2026-10-29
  • Published：2026-06-30
Article Data
Affiliations
History
  • Received：2024-05-16
  • Revised：2024-07-30
  • Accepted：2024-08-13
Funding
Hebei Province Major Scientific and Technological Achievements Transformation Project(23284503Z)
National Key R&D Program Key Special Project for Intergovernmental Cooperation in International Science and Technology Innovation(2021YFE0103800)
Affiliations
    1.School of Electrical and Control Engineering, North China University of Technology, Beijing 100144, China
    2.Institute of Automatic Control and Complex Systems, University Duisburg-Essen, Duisburg 47057, Germany
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