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Novel Active-neutral-point-clamped Seven-level Inverter with Boost and Self-balancing Capability
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Lintao WANG  Member, CPSS1, Jikan MENG1, Yongwei LI1, Jun ZENG2
Journal of Power Supply | 2026, 24(4) : 50 - 58
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Journal of Power Supply | 2026, 24(4): 50-58
• Power Converter Topologies •
Novel Active-neutral-point-clamped Seven-level Inverter with Boost and Self-balancing Capability
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Lintao WANG  Member, CPSS1, Jikan MENG1, Yongwei LI1, Jun ZENG2
Affiliations
  • 1.State Grid Enshi Power Supply Company, Enshi 445000, China
  • 2.School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China
Published: 2026-04-30 doi: 10.13234/j.issn.2095-2805.2026.4.50
Outline
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A novel active-neutral-point-clamped seven-level inverter based on the principle of switched-capacitor is proposed. The operation principle for the proposed topology and the mechanism of self-balancing for capacitors are discussed in detail. Through a comparison with other topologies, the advantages of the proposed topology such as reduced components, higher Boost capability, lower overall voltage stress and self-balancing capability of capacitors are also demonstrated, showing its suitability for distributed generation, electric vehicles and other applications. Finally, the Boost capability of the topology and the self-balancing capability of capacitors were verified by simulation and experimental results.

Multilevel  /  switched-capacitor  /  voltage self-balancing  /  Boost
王林涛中国电源学会会员, 孟际康, 李永伟, 曾君. 具有升压自平衡能力的新型有源中点钳位七电平逆变器. 电源学报, 2026 , 24 (4) : 50 -58 . DOI: 10.13234/j.issn.2095-2805.2026.4.50
Lintao WANG, Jikan MENG, Yongwei LI, Jun ZENG. Novel Active-neutral-point-clamped Seven-level Inverter with Boost and Self-balancing Capability[J]. Journal of Power Supply, 2026 , 24 (4) : 50 -58 . DOI: 10.13234/j.issn.2095-2805.2026.4.50
Funding
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  • National Natural Science Foundation of China(62173148; 51877085; 52377186)
  • Guangdong Natural Science Foundation(2023A1515010184; 2022A1515010150; 2021A1515011347)
Appendix
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Year 2026 volume 24 Issue 4
33
7
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.4.50
  • Receive Date：2023-10-19
  • Online Date：2026-10-29
  • Published：2026-04-30
Article Data
Affiliations
History
  • Received：2023-10-19
  • Revised：2023-12-24
  • Accepted：2024-01-28
Funding
National Natural Science Foundation of China(62173148; 51877085; 52377186)
Guangdong Natural Science Foundation(2023A1515010184; 2022A1515010150; 2021A1515011347)
Affiliations
    1.State Grid Enshi Power Supply Company, Enshi 445000, China
    2.School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China
References
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光柄菇属 Pluteus 5 2.39
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