The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Design of Fuse-Link Structure & Fe-Ni Alloy Element's Shape to Increase an Interrupt Rating of a Semi-Enclosed Type Fuse

반밀폐형 퓨즈의 차단용량 상승을 위한 Fe-Ni 합금 가용체의 형상 및 퓨즈링크 구조 설계

  • Kim, Seong-Ju (Dept. of Metallurgical Engineering, Pukyong National University) ;
  • Kim, Doe-Hoon (Dept. of Metallurgical Engineering, Pukyong National University) ;
  • Kang, Chang-Yong (Dept. of Metallurgical Engineering, Pukyong National University)
  • Received : 2017.11.07
  • Accepted : 2018.04.16
  • Published : 2018.05.01
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Abstract

According to a miniaturization and integration of electric device, a little size of fuse satisfying the current carrying capacity as well as an explosive tolerance and current interrupt rating are required. Fe-Ni alloy is applied to decrease an oxidation of fuse elements. A resistance and T.C.R(temperature coefficient of resistance) of a fuse are analyzed by changing a content of Ni And full rated current I-T curve from 1A to 6.3A has been tested. In order to an explosive energy, a straight wire type is selected to reduce a fuse melting time. An interrupt rating test was conducted by changing a content of Ni and the optimal content of Ni is to be 40%.

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References

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