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A Method of Shortening Breaking Time of the Magnetic Contactors by the External Magnetic Forces

In: Optimization and Inverse Problems in Electromagnetism

Author

Listed:
  • Hyun-Kil Cho

    (LG Industrial systems. Ltd. Co.)

  • Eun-Woong Lee

    (Chung-nam Nat’I Univ, Dept. of Electrical Engineering)

Abstract

In this paper, the contact surface of moving and fixed contactors of 3 different arc extinction unit used for DC 100A magnetic contactor has been computed with Holm’s equation. Also, electromagnetic blowout force acting on the arc and arc velocity are analyzed using 3D FEM and the breaking time for power source DC current 100A, voltage 100V has been measured and compared computing value with measuring value.

Suggested Citation

  • Hyun-Kil Cho & Eun-Woong Lee, 2003. "A Method of Shortening Breaking Time of the Magnetic Contactors by the External Magnetic Forces," Springer Books, in: Marek Rudnicki & Sławomir Wiak (ed.), Optimization and Inverse Problems in Electromagnetism, pages 323-334, Springer.
    • Handle: RePEc:spr:sprchp:978-94-017-2494-4_33
    DOI: 10.1007/978-94-017-2494-4_33
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