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High Efficiency Transformerless Photovoltaic DC/AC Converter with Common Mode Leakage Current Elimination: Analysis and Implementation

Author

Listed:
  • Jorge Cardoso

    (Tecnológico Nacional de México/Instituto Tecnológico de Celaya, Celaya 38010, Mexico)

  • Rodolfo Orosco

    (Tecnológico Nacional de México/Instituto Tecnológico de Celaya, Celaya 38010, Mexico)

  • Nimrod Vazquez

    (Tecnológico Nacional de México/Instituto Tecnológico de Celaya, Celaya 38010, Mexico)

  • Héctor López

    (Tecnológico Nacional de México/Instituto Tecnológico de Celaya, Celaya 38010, Mexico)

  • Claudia Hernandez

    (Tecnológico Nacional de México/Instituto Tecnológico de Celaya, Celaya 38010, Mexico)

  • Joaquin Vaquero

    (Área de Tecnología Electrónica, Universidad Rey Juan Carlos, 28933 Madrid, Spain)

Abstract

Photovoltaic (PV) electricity is widely used because of its positive environmental impact. To properly feed this energy into the grid, an electronic power converter, known as a PV inverter, is needed, which may or may not use a transformer. This article details the analysis and design of a transformerless photovoltaic inverter topology for grid-connected applications. This converter offers high efficiency, a low number of elements, and negligible leakage current, which makes it a good alternative for this application. The converter has been validated through an experimental prototype and compared with other topologies with similar characteristics.

Suggested Citation

  • Jorge Cardoso & Rodolfo Orosco & Nimrod Vazquez & Héctor López & Claudia Hernandez & Joaquin Vaquero, 2022. "High Efficiency Transformerless Photovoltaic DC/AC Converter with Common Mode Leakage Current Elimination: Analysis and Implementation," Energies, MDPI, vol. 15(9), pages 1-21, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3177-:d:803015
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    References listed on IDEAS

    as
    1. Tey, Kok Soon & Mekhilef, Saad, 2016. "A reduced leakage current transformerless photovoltaic inverter," Renewable Energy, Elsevier, vol. 86(C), pages 1103-1112.
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