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Design and Research on DC Electric Leakage Protection Circuit Breaker

Author

Listed:
  • Lei Hou

    (State Grid Hebei Electric Power Co., Ltd., Xiongan New Area Power Supply Company, Baoding 071000, China)

  • Dezhi Chen

    (School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China)

  • Tongfei Li

    (School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China)

  • Ming Zhao

    (State Grid Hebei Electric Power Co., Ltd., Shijiazhuang 050022, China)

  • Huaibo Ren

    (State Grid Hebei Electric Power Co., Ltd., Xiongan New Area Power Supply Company, Baoding 071000, China)

Abstract

In recent years, DC power supply and distribution technology plays an increasingly significant role in power supply and distribution systems with a low loss and large power supply radius. However, the corresponding DC distribution network protection electric devices cannot satisfy the needs of the existing DC power supply and distribution network. Based on this, in this article, an intelligent/energy-efficient DC leakage protection circuit breaker based on two-phase magnetic nanomaterials and detection and control technology is proposed. Firstly, the core of an intelligent/energy-efficient DCCB is composed of two-phase magnetic nanomaterials, and the mathematical modeling process, preparation and processing method of two-phase magnetic nanomaterials are given. Secondly, the DC leakage detection technology is studied by fluxgate technology, and the design process of magnetic rings, winding and detection circuit is given. Thirdly, the simulation and experiment results of the detection system and actuator are given by the simulation and experiment of an intelligent/energy-efficient DCCB to verify the correctness of the proposed scheme.

Suggested Citation

  • Lei Hou & Dezhi Chen & Tongfei Li & Ming Zhao & Huaibo Ren, 2022. "Design and Research on DC Electric Leakage Protection Circuit Breaker," Energies, MDPI, vol. 15(15), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5605-:d:878667
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    References listed on IDEAS

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    1. Hiroki Watanabe & Jun-ichi Itoh & Naoki Koike & Shinichiro Nagai, 2019. "PV Micro-Inverter Topology Using LLC Resonant Converter," Energies, MDPI, vol. 12(16), pages 1-11, August.
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    Cited by:

    1. Hyeon-Seung Lee & Young-Maan Cho & Kun-A Lee & Jae-Ho Rhee, 2022. "Fast Fault Detection and Active Isolation of Bidirectional Z-Source Circuit Breaker with Mechanical Switch," Energies, MDPI, vol. 15(23), pages 1-14, November.

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