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Neutral-Point Potential Balancing Control Strategy for Three-Level ANPC Converter Using SHEPWM Scheme

Author

Listed:
  • Yunlei Zhang

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Cungang Hu

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China
    National Engineering Laboratory of Energy-Saving Motor and Control Technology, Hefei 230601, China)

  • Qunjing Wang

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China
    National Engineering Laboratory of Energy-Saving Motor and Control Technology, Hefei 230601, China)

  • Yufei Zhou

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

  • Yue Sun

    (School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China)

Abstract

A selective harmonic elimination pulse width modulation (SHEPWM) control strategy is proposed to balance the neutral-point potential (NP) of a three-level active neutral-point-clamped (ANPC) converter. In this strategy, the chaotic ant colony algorithm (ACA) is adopted to solve the SHEPWM nonlinear equations, which does not require presetting the initial values of solutions and can get multiple solutions in the same modulation index. The influence of different solutions corresponding to the SHEPWM switching states on the NP is different, namely, some make the NP increase and others make the NP decrease. Therefore, the NP balancing can be effectively controlled by choosing appropriate solutions in different fundamental periods. The simulation and experimental results further verify the feasibility and effectiveness of the control strategy.

Suggested Citation

  • Yunlei Zhang & Cungang Hu & Qunjing Wang & Yufei Zhou & Yue Sun, 2019. "Neutral-Point Potential Balancing Control Strategy for Three-Level ANPC Converter Using SHEPWM Scheme," Energies, MDPI, vol. 12(22), pages 1-16, November.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:22:p:4328-:d:286508
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    References listed on IDEAS

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    1. Memon, Mudasir Ahmed & Mekhilef, Saad & Mubin, Marizan & Aamir, Muhammad, 2018. "Selective harmonic elimination in inverters using bio-inspired intelligent algorithms for renewable energy conversion applications: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 2235-2253.
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    Cited by:

    1. Mohammad Ali & Mohd Tariq & Chang-Hua Lin & Ripon K. Chakrobortty & Basem Alamri & Ahmad Alahmadi & Michael J. Ryan, 2021. "Operation of a UXE-Type 11-Level Inverter with Voltage-Balance Modulation Using NLC and ACO-Based SHE," Sustainability, MDPI, vol. 13(16), pages 1-19, August.
    2. Mohamed Salem & Anna Richelli & Khalid Yahya & Muhammad Najwan Hamidi & Tze-Zhang Ang & Ibrahim Alhamrouni, 2022. "A Comprehensive Review on Multilevel Inverters for Grid-Tied System Applications," Energies, MDPI, vol. 15(17), pages 1-40, August.
    3. Alexander S. Maklakov & Tao Jing & Alexander A. Nikolaev & Vadim R. Gasiyarov, 2022. "Grid Connection Circuits for Powerful Regenerative Electric Drives of Rolling Mills: Review," Energies, MDPI, vol. 15(22), pages 1-19, November.
    4. Silvio Antonio Teston & Kaio Vinicius Vilerá & Marcello Mezaroba & Cassiano Rech, 2020. "Control System Development for the Three-Ports ANPC Converter," Energies, MDPI, vol. 13(15), pages 1-14, August.

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