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The Modeling of the LC Divergence Oscillation Circuit of a Superconducting DC Circuit Breaker Using PSCAD/EMTDC

Author

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  • Sang-Yong Park

    (Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea)

  • Geon-Woong Kim

    (Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea)

  • Ji-Sol Jeong

    (Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea)

  • Hyo-Sang Choi

    (Department of Electrical Engineering, Chosun University, Gwangju 61452, Korea)

Abstract

We proposed a superconducting DC circuit breaker that can reliably cut off the fault currents in preparation for the DC system. It consists of a superconducting element and a mechanical DC circuit breaker. The mechanical DC circuit breaker is connected in parallel with a mechanical high-speed switch, an LC divergence oscillation circuit, and a surge arrester. This provides stable cutoff operation due to the fault-current-limiting operation of the superconducting element and the artificial current zero point of the mechanical DC circuit breaker. In this paper, the operating principle of the LC divergence oscillation circuit that creates an artificial current zero point was reviewed based on the theory. We used experimental data to model the time constant of the initial fault current, the arc model generated by the mechanical high-speed switch, and the experimental equipment. As a result, the LC divergence oscillation circuit was confirmed in the simulation, and simulation modeling was reviewed based on the theoretical principle of generation.

Suggested Citation

  • Sang-Yong Park & Geon-Woong Kim & Ji-Sol Jeong & Hyo-Sang Choi, 2022. "The Modeling of the LC Divergence Oscillation Circuit of a Superconducting DC Circuit Breaker Using PSCAD/EMTDC," Energies, MDPI, vol. 15(3), pages 1-14, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:780-:d:730429
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    References listed on IDEAS

    as
    1. Muhammad Ahmad & Zhixin Wang, 2019. "A Hybrid DC Circuit Breaker with Fault-Current-Limiting Capability for VSC-HVDC Transmission System," Energies, MDPI, vol. 12(12), pages 1-16, June.
    2. Muhammad Haroon Nadeem & Xiaodong Zheng & Nengling Tai & Mehr Gul, 2018. "Identification and Isolation of Faults in Multi-terminal High Voltage DC Networks with Hybrid Circuit Breakers," Energies, MDPI, vol. 11(5), pages 1-21, April.
    3. Saqib Khalid & Ali Raza & Umar Alqasemi & Nebras Sobahi & Muhammad Zain Yousaf & Ghulam Abbas & Mohsin Jamil, 2021. "Technical Assessment of Hybrid HVDC Circuit Breaker Components under M-HVDC Faults," Energies, MDPI, vol. 14(23), pages 1-16, December.
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    Cited by:

    1. Sang-Yong Park & Geon-Woong Kim & Ji-Sol Jeong & Hyo-Sang Choi, 2023. "The Structural and Electromagnetic Comparative Analysis of the Bifilar-Meander-Type Winding Method of Superconducting DC Circuit Breaker," Energies, MDPI, vol. 16(4), pages 1-20, February.

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