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A Novel Low Voltage Selective Circuit Breaker with Additional Current Path

Author

Listed:
  • Bartosz Rozegnał

    (Department of Electrical Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

  • Paweł Albrechtowicz

    (Department of Electrical Engineering, Cracow University of Technology, 31-155 Cracow, Poland)

  • Piotr Cisek

    (Department of Energy, Cracow University of Technology, 31-864 Cracow, Poland)

Abstract

The subject of the article is a description of the operating principle of the new proposal of the selective circuit breaker, which is an extension of the existing selective devices. The solution proposed in the article allows one to increase the selectivity range of classic selective circuit breakers. In the case of networks with high values of short-circuit loop impedance, operating at reduced supply voltage, the proposed solution will not limit the short-circuit current too excessively as it is in the case of classic solutions. This advantage will allow for the correct reaction of the protections preceding them. The article presents the structure and analysis of the selection of parameters of the proposed solution. The results of simulation calculations have also been illustrated.

Suggested Citation

  • Bartosz Rozegnał & Paweł Albrechtowicz & Piotr Cisek, 2021. "A Novel Low Voltage Selective Circuit Breaker with Additional Current Path," Energies, MDPI, vol. 14(23), pages 1-14, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:23:p:8179-:d:696030
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    References listed on IDEAS

    as
    1. Dariusz Smugala & Michal Bonk, 2021. "Switching Arc Energy Limitation Approach for LV Circuit Breakers," Energies, MDPI, vol. 14(20), pages 1-16, October.
    2. Dominik Mamcarz & Paweł Albrechtowicz & Natalia Radwan-Pragłowska & Bartosz Rozegnał, 2020. "The Analysis of the Symmetrical Short-Circuit Currents in Backup Power Supply Systems with Low-Power Synchronous Generators," Energies, MDPI, vol. 13(17), pages 1-14, August.
    3. Dariusz Borkowski & Marek Majdak, 2020. "Small Hydropower Plants with Variable Speed Operation—An Optimal Operation Curve Determination," Energies, MDPI, vol. 13(23), pages 1-20, November.
    4. Natalia Radwan-Pragłowska & Tomasz Węgiel & Dariusz Borkowski, 2020. "Modeling of Axial Flux Permanent Magnet Generators," Energies, MDPI, vol. 13(21), pages 1-28, November.
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    Keywords

    circuit breakers; selectivity coordination;

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