조명전기설비학회논문지 (Journal of the Korean Institute of Illuminating and Electrical Installation Engineers)

  • 제22권7호
  • /
  • Pages.43-48
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  • 2008
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  • 1229-4691(pISSN)
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  • 2287-5034(eISSN)
한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
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The Coupled Electro-Thermal Field Analysis for Predicting Over-Current Protector Behavior

  • Bae, Jae-Nam (Department of Electrical Engineering, Hanyang University) ;
  • Lee, Sung-Gu (Department of Electrical Engineering, Hanyang University) ;
  • Han, Jung-Ho (Department of Physics Physical Science, Soonchunhyang University) ;
  • Chung, Hae-Yang (Department of Electrical Engineering, Soonchunhyang University) ;
  • Lee, Ju (Department of Electrical Engineering, Hanyang University)
  • 발행 : 2008.07.31
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초록

The characteristics of heat transfer of the bimetal disc for over-current protection device is specified. Bimetal consists of two metals which have a different thermal expansion coefficient. To analyze the thermal characteristics, temperature distribution when bimetal acts as a switch is calculated. As usual, heat source is applied to the bimetal and electric current is heat source in the over-current protection switch. In this paper, thermal distribution are obtained by solving a coupled electro-thermal field with 3D finite element method.

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참고문헌

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