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Novel Modular Three-phase Photovoltaic Inverter and Its Distributed Control Strategy
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Xinghua DANG, Shangzhi PAN, Xiaolu GE, Jinwu GONG, Lidong HAO, Xiaoming ZHA
Journal of Power Supply | 2024, 22(6) : 100 - 109
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Journal of Power Supply | 2024, 22(6): 100-109
• Renewable Energy System •
Novel Modular Three-phase Photovoltaic Inverter and Its Distributed Control Strategy
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Xinghua DANG, Shangzhi PAN, Xiaolu GE, Jinwu GONG, Lidong HAO, Xiaoming ZHA
Affiliations
  • School of Electrical Engineering and Automation Wuhan University Wuhan 430072 China
Published: 2024-11-30 doi: 10.13234/j.issn.2095-2805.2024.6.100
Outline
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The cascaded H-bridge is considered as one of the most suitable topologies for photovoltaic (PV) power generation. Aimed at the problems of the traditional three-phase cascaded H-bridge PV inverter such as a large capacitor volume, a short service life, inter-phase power mismatch and a complex control communication system, a novel modular three-phase PV inverter and its distributed control strategy are proposed based on the principle of magnetic flux cancellation. First, the basic structure of the proposed modular topology is introduced. Then, the basic principle of magnetic flux cancellation power decoupling and the influencing factors of double-line frequency voltage ripple are analyzed in detail, and a distributed control strategy is proposed to suppress the double-line frequency voltage ripple and ensure the balance of three-phase output power. Finally, the correctness of theoretical analysis and the feasibility of the proposed control strategy were verified by simulation and experimental results.

Photovoltaic (PV) cascaded H-bridge  /  power mismatch  /  multi-port converter  /  power decoupling  /  distributed control
党兴华, 潘尚智, 葛晓露, 宫金武, 郝利东, 查晓明. 一种新型模块化三相光伏逆变器及其分布式控制策略. 电源学报, 2024 , 22 (6) : 100 -109 . DOI: 10.13234/j.issn.2095-2805.2024.6.100
Xinghua DANG, Shangzhi PAN, Xiaolu GE, Jinwu GONG, Lidong HAO, Xiaoming ZHA. Novel Modular Three-phase Photovoltaic Inverter and Its Distributed Control Strategy[J]. Journal of Power Supply, 2024 , 22 (6) : 100 -109 . DOI: 10.13234/j.issn.2095-2805.2024.6.100
Funding
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  • Key Research and Development Program of Hubei Province(2020BHB002)
Appendix
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Year 2024 volume 22 Issue 6
986
441
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.6.100
  • Receive Date：2021-12-14
  • Online Date：2025-07-19
  • Published：2024-11-30
Article Data
Affiliations
History
  • Received：2021-12-14
  • Revised：2022-03-10
  • Accepted：2022-03-16
Funding
Key Research and Development Program of Hubei Province(2020BHB002)
Affiliations
    School of Electrical Engineering and Automation Wuhan University Wuhan 430072 China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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