The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Development of DC Circuit Breaker using Magnet Arc Extinguisher

자기적 아크소호 기법을 이용한 직류 차단기 개발

  • Lee, Sung-Min (Dept. of Electrical, Electronic and Control Eng., Konju University) ;
  • Kim, Hyo-Sung (Div. of Electrical, Electronic and Control Eng., Konju University)
  • Received : 2011.09.09
  • Accepted : 2011.12.21
  • Published : 2012.02.20
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Abstract

In recent years, DC distribution systems are becoming hot issue due to the increase in digital loads and DC generation systems according to the expansion of renewable energy technologies. However, removing the fault current in DC grids is comparably difficult since the current in DC grids has no zero-crossing point like in AC grids. Thus, developing dedicated DC circuit breakers for DC grids is necessary to get safety for people and electrical facilities. This paper proposes magnet arc extinguishing method to develop a 300[$V_{DC}$]/10[A] DC circuit breaker. The performance of the proposed DC circuit breaker was verified by an experimental circuit breaker test system built in this research.

Keywords

References

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  1. Experiment on DC Circuit Breaker for Inductive Load by Improved Magnetic Arc-extinguisher and Arc-Attenuation Circuit vol.17, pp.6, 2012, https://doi.org/10.6113/TKPE.2012.17.6.495
  2. Characteristics of Pre-Post Contacts of DC Consent-Plug vol.21, pp.4, 2016, https://doi.org/10.6113/TKPE.2016.21.4.290
  3. A Novel DC Solid-State Circuit Breaker for DC Grid vol.17, pp.4, 2012, https://doi.org/10.6113/TKPE.2012.17.4.368
  4. Arc Voltage and Current Characteristics in Low-Voltage Direct Current vol.11, pp.10, 2018, https://doi.org/10.3390/en11102511
  5. Novel DC Circuit Breaker Using Magnet-Extinguisher and Free-Wheel Diode vol.14, pp.1, 2019, https://doi.org/10.1007/s42835-018-00015-7