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A Comprehensive System for Protection of Photovoltaic Installations in Normal and Emergency Conditions

Author

Listed:
  • Konrad Seklecki

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Marek Olesz

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Marek Adamowicz

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Mikołaj Nowak

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Leszek Sławomir Litzbarski

    (Faculty of Electrical and Control Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
    Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
    Advanced Materials Centre, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Kamil Balcarek

    (Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland)

  • Jacek Grochowski

    (Faculty of Control, Robotics and Electrical Engineering, Poznan University of Technology, Marii Skłodowskiej-Curie 5, 60-965 Poznań, Poland)

Abstract

The rapid growth of the photovoltaic industry necessitates the development of innovative solutions to ensure the safe operation of these systems. One of the most critical challenges in photovoltaic installations is ensuring protection against electric shock under both operational and emergency conditions, as well as minimizing the risk of fire spread in case of an installation fire. Existing safety measures do not provide a sufficient level of protection, particularly in terms of fire safety. To address these shortcomings, a comprehensive safety system has been developed. This system includes a photovoltaic panel shutter and a safety switch device, which enables the short-circuiting of individual panel outputs while also providing a break in the DC circuit. The proposed solution can be classified as part of the Balance of System (BoS). The effectiveness of this safety system has been validated through both numerical simulations and experimental investigations. Furthermore, an economic analysis indicates that implementing this system will not significantly impact the overall cost of a photovoltaic system.

Suggested Citation

  • Konrad Seklecki & Marek Olesz & Marek Adamowicz & Mikołaj Nowak & Leszek Sławomir Litzbarski & Kamil Balcarek & Jacek Grochowski, 2025. "A Comprehensive System for Protection of Photovoltaic Installations in Normal and Emergency Conditions," Energies, MDPI, vol. 18(7), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:7:p:1749-:d:1625032
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