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Grounding and Isolation Requirements in DC Microgrids: Overview and Critical Analysis

Author

Listed:
  • Mohammadreza Azizi

    (Department of Radiotechnic and Embedded Systems, Chernihiv Polytechnic National University, 14027 Chernihiv, Ukraine)

  • Oleksandr Husev

    (Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 12618 Tallinn, Estonia)

  • Oleksandr Veligorskyi

    (Department of Radiotechnic and Embedded Systems, Chernihiv Polytechnic National University, 14027 Chernihiv, Ukraine)

  • Saeed Rahimpour

    (Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 12618 Tallinn, Estonia)

  • Carlos Roncero-Clemente

    (Department of Power Electronic and Renewable Energies, University of Extremadura, 06006 Badajoz, Spain)

Abstract

DC microgrids, along with existing AC grids, are a future trend in energy distribution systems. At the same time, many related issues are still undefined and unsolved. In particular, uncertainty prevails in isolation requirements between AC grids and novel microgrids as well as in the grounding approaches. This paper presents a critical technical analysis and an overview of possible grounding approaches in DC systems and the feasibility of avoiding isolation between AC and DC grids.

Suggested Citation

  • Mohammadreza Azizi & Oleksandr Husev & Oleksandr Veligorskyi & Saeed Rahimpour & Carlos Roncero-Clemente, 2023. "Grounding and Isolation Requirements in DC Microgrids: Overview and Critical Analysis," Energies, MDPI, vol. 16(23), pages 1-23, November.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:23:p:7747-:d:1286833
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    References listed on IDEAS

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    1. Mingxuan Chen & Suliang Ma & Haiyong Wan & Jianwen Wu & Yuan Jiang, 2018. "Distributed Control Strategy for DC Microgrids of Photovoltaic Energy Storage Systems in Off-Grid Operation," Energies, MDPI, vol. 11(10), pages 1-19, October.
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