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A New Single-Phase Transformerless Current Source Inverter for Leakage Current Reduction

Author

Listed:
  • Xiaoqiang Guo

    (Department of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China)

  • Jianhua Zhang

    (Department of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China)

  • Jiale Zhou

    (Department of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China)

  • Baocheng Wang

    (Department of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China)

Abstract

A new single-phase transformerless current source inverter is proposed in this paper. The proposed inverter can achieve leakage current reduction, which is crucial for the conventional current source inverter. The basic concept of the proposed solution is to develop the new inverter by the duality principle from the voltage source inverter. The theoretical analysis is carried out to determine the switching states of the proposed inverter for the leakage current reduction. Also, a new modulation strategy is presented to achieve the optimized switching states. Finally, the experimental results are presented. Comparing with conventional single-phase current source inverter, the leakage current can be significantly reduced by the proposed inverter, which verifies the effectiveness of the proposed solution.

Suggested Citation

  • Xiaoqiang Guo & Jianhua Zhang & Jiale Zhou & Baocheng Wang, 2018. "A New Single-Phase Transformerless Current Source Inverter for Leakage Current Reduction," Energies, MDPI, vol. 11(7), pages 1-12, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1633-:d:153928
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    References listed on IDEAS

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    1. Miveh, Mohammad Reza & Rahmat, Mohd Fadli & Ghadimi, Ali Asghar & Mustafa, Mohd Wazir, 2016. "Control techniques for three-phase four-leg voltage source inverters in autonomous microgrids: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 1592-1610.
    2. Mei Su & Chao Luo & Xiaochao Hou & Wenbin Yuan & Zhangjie Liu & Hua Han & Josep M. Guerrero, 2018. "A Communication-Free Decentralized Control for Grid-Connected Cascaded PV Inverters," Energies, MDPI, vol. 11(6), pages 1-18, May.
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    Cited by:

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    2. Hongyang He & Zhigang Lu & Xiaoqiang Guo & Changli Shi & Dongqiang Jia & Chao Chen & Josep M. Guerrero, 2022. "Optimized Control Strategy for Photovoltaic Hydrogen Generation System with Particle Swarm Algorithm," Energies, MDPI, vol. 15(4), pages 1-17, February.

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