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A Novel Breaking Strategy for Reduced Response Time of Electromagnetic Contactor by Reverse Voltage Application

Author

Listed:
  • Shuhua Fang

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Yong Chen

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Haimiao Ni

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Heyun Lin

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Xingang Wang

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200437, China)

  • Binruo Zhu

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200437, China)

  • Yin Zhang

    (Electric Power Research Institute, State Grid Shanghai Municipal Electric Power Company, Shanghai 200437, China)

Abstract

This paper proposes a novel breaking strategy for dramatically shortening the response time of a single, stable electromagnetic contactor. A reverse voltage was applied across the excitation coil to increase the decay velocity of the magnetic field in the iron core, leading to a dramatic reduction of the electromagnetic force when the contactor initiated the breaking process. The applied time of the reverse voltage was determined by numerical computation of circuit, magnetic field, and forces. The polarity of source voltage was overturned by controlling switching devices in the bridge drive circuit. A co-simulation coupling magnetic field, machinery, and circuit was carried out using Maxwell and Circuit Editor software. Experimental results are reported to demonstrate the effectiveness of the proposed breaking strategy for shortening the response time of an electromagnetic contactor.

Suggested Citation

  • Shuhua Fang & Yong Chen & Haimiao Ni & Heyun Lin & Xingang Wang & Binruo Zhu & Yin Zhang, 2019. "A Novel Breaking Strategy for Reduced Response Time of Electromagnetic Contactor by Reverse Voltage Application," Energies, MDPI, vol. 12(5), pages 1-12, February.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:5:p:789-:d:209425
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    Cited by:

    1. Gongrun Wang & Yongxing Wang & Lifan Zhang & Shutian Xue & Enyuan Dong & Jiyan Zou, 2021. "A Novel Model of Electromechanical Contactors for Predicting Dynamic Characteristics," Energies, MDPI, vol. 14(22), pages 1-15, November.

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