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A SVPWM to Eliminate Common-Mode Voltage for Multilevel Inverters

Author

Listed:
  • Xiongmin Tang

    (School of automation, Guangdong University of Technology, 510006 Guangzhou, China)

  • Chengjing Lai

    (School of automation, Guangdong University of Technology, 510006 Guangzhou, China)

  • Zheng Liu

    (School of Electrical and Information Engineering, Changsha University of Science and Technology, 410004 Changsha, China)

  • Miao Zhang

    (School of automation, Guangdong University of Technology, 510006 Guangzhou, China)

Abstract

This paper presents a new space vector pulse width modulation (SVPWM) to eliminate common-mode voltage (CMV) for multilevel inverters. The proposed SVPWM is performed in a new coordinate system, in which the converter voltage vectors have only integer entries and the absolute coordinate increment between adjacent vectors is equal to 1. The location of the reference vector, detection of the nearest three CMV vectors, and duty cycles of the nearest three CMV vectors are all obtained by simple calculations, no lookup table is needed and the SVPWM is computationally fast. Compared with earlier pulse width modulations (PWMs), the realization of the CMV vectors is very simple, and the CMV of multilevel inverters are limited to zero with any modulation index. Because the SVPWM is independent of the level number of the inverter, the proposed SVPWM is suitable for any level of inverter. This paper also thoroughly compares the proposed SVPWM with prior PWMs. Experimental results are also given in the paper.

Suggested Citation

  • Xiongmin Tang & Chengjing Lai & Zheng Liu & Miao Zhang, 2017. "A SVPWM to Eliminate Common-Mode Voltage for Multilevel Inverters," Energies, MDPI, vol. 10(5), pages 1-10, May.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:5:p:715-:d:99026
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    References listed on IDEAS

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    1. Ravikant Pandey & Ravi Nath Tripathi & Tsuyoshi Hanamoto, 2017. "Comprehensive Analysis of LCL Filter Interfaced Cascaded H-Bridge Multilevel Inverter-Based DSTATCOM," Energies, MDPI, vol. 10(3), pages 1-19, March.
    2. Miguel Moranchel & Francisco Huerta & Inés Sanz & Emilio Bueno & Francisco J. Rodríguez, 2016. "A Comparison of Modulation Techniques for Modular Multilevel Converters," Energies, MDPI, vol. 9(12), pages 1-20, December.
    3. Xin-Jian Cai & Zhen-Xing Wu & Quan-Feng Li & Shu-Xiu Wang, 2015. "Phase-Shifted Carrier Pulse Width Modulation Based on Particle Swarm Optimization for Cascaded H-bridge Multilevel Inverters with Unequal DC Voltages," Energies, MDPI, vol. 8(9), pages 1-18, September.
    4. Majid Mehrasa & Edris Pouresmaeil & Sasan Zabihi & Juan C. Trujillo Caballero & João P. S. Catalão, 2016. "A Novel Modulation Function-Based Control of Modular Multilevel Converters for High Voltage Direct Current Transmission Systems," Energies, MDPI, vol. 9(11), pages 1-14, October.
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    Cited by:

    1. Qiwu Luo & Jian Zheng & Yichuang Sun & Lijun Yang, 2018. "Optimal Modeled Six-Phase Space Vector Pulse Width Modulation Method for Stator Voltage Harmonic Suppression," Energies, MDPI, vol. 11(10), pages 1-16, September.
    2. Jinhong Li & Dawei Meng, 2020. "Dynamic and Adjustable New Pattern Four-Vector SVPWM Algorithm for Application in a Five-Phase Induction Motor," Energies, MDPI, vol. 13(7), pages 1-21, April.
    3. Yun Yang & Chengxiong Mao & Dan Wang & Jie Tian & Ming Yang, 2017. "Modeling and Analysis of the Common Mode Voltage in a Cascaded H-Bridge Electronic Power Transformer," Energies, MDPI, vol. 10(9), pages 1-16, September.
    4. Umashankar Subramaniam & Sagar Mahajan Bhaskar & Dhafer J.Almakhles & Sanjeevikumar Padmanaban & Zbigniew Leonowicz, 2019. "Investigations on EMI Mitigation Techniques: Intent to Reduce Grid-Tied PV Inverter Common Mode Current and Voltage," Energies, MDPI, vol. 12(17), pages 1-18, September.

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