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Application of an Improved Mayr-Type Arc Model in Pyro-Breakers Utilized in Superconducting Fusion Facilities

Author

Listed:
  • Jun He

    (Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
    Advanced Energy Research Center, Shenzhen University, Shenzhen 518060, China)

  • Ke Wang

    (Advanced Energy Research Center, Shenzhen University, Shenzhen 518060, China)

  • Jiangang Li

    (Advanced Energy Research Center, Shenzhen University, Shenzhen 518060, China
    Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China)

Abstract

Pyro-breaker, a fast-responding, highly reliable and explosive-driven circuit breaker, is utilized in several Quench Protection Systems (QPS). The commutation process and its parameters are the main technical considerations in the process of designing a new pyro-breaker. The commutation parameters, such as the commutation time and the current change rate, are not only determined by the electrical parameters of the commutation circuit but also the arc behavior during the operation. The arc behavior is greatly affected by the structure and the driving mechanism of the Commutation Section (CS) in the pyro-breaker. The arc model was developed decades ago and the black-box arc model is considered a valid method to study arc behavior. In this paper, the Schavemaker black-box arc model, an improved Mayr-type arc model, is applied to study the commutation process of a newly designed pyro-breaker. Unlike normal circuit breakers, the arc discussed in this paper is discharged in deionized water. A parameter selection method is proposed. The practicability of the method is verified by numerical calculation in Power Systems Computer Aided Design (PSCAD) and experimentally.

Suggested Citation

  • Jun He & Ke Wang & Jiangang Li, 2021. "Application of an Improved Mayr-Type Arc Model in Pyro-Breakers Utilized in Superconducting Fusion Facilities," Energies, MDPI, vol. 14(14), pages 1-11, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4383-:d:598017
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    References listed on IDEAS

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    1. Ehsan Hashemi & Kaveh Niayesh, 2020. "DC Current Interruption Based on Vacuum Arc Impacted by Ultra-Fast Transverse Magnetic Field," Energies, MDPI, vol. 13(18), pages 1-14, September.
    2. Ammar Najam & Petrus Pieterse & Dirk Uhrlandt, 2020. "Electrical Modelling of Switching Arcs in a Low Voltage Relay at Low Currents," Energies, MDPI, vol. 13(23), pages 1-15, December.
    3. Dequan Wang & Minfu Liao & Rufan Wang & Tenghui Li & Jun Qiu & Jinjin Li & Xiongying Duan & Jiyan Zou, 2020. "Research on Vacuum Arc Commutation Characteristics of a Natural-Commutate Hybrid DC Circuit Breaker," Energies, MDPI, vol. 13(18), pages 1-15, September.
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    Cited by:

    1. Andrea Mariscotti, 2023. "The Electrical Behaviour of Railway Pantograph Arcs," Energies, MDPI, vol. 16(3), pages 1-43, February.
    2. Yong-Jung Kim & Hyo-Sung Kim, 2021. "Modeling and Estimation of Break Arc Extinction Distance in Low Voltage DC Systems," Energies, MDPI, vol. 14(20), pages 1-15, October.
    3. Xianping Zhao & Yongjie Nie & Tengfei Zhao & Ke Wang & Bingchen Song & Shihu Yu & Shengtao Li, 2021. "Arc Ablation Resistance and Dielectric Strength Properties of PTFE/BN Composites," Energies, MDPI, vol. 14(20), pages 1-11, October.

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