Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Stabilization of Thermo Electromotive Force of Power Type Shunt Resistor for Mass Storage Secondary Battery Management System

대용량 이차전지 관리 시스템용 전력형 션트저항의 열기전력 안정화

  • Kim, Eun Min (Department of Metallurgical Engineering, Pukyong National University) ;
  • Lee, Sunwoo (Department of Electrical Information, Inha Technical College)
  • 김은민 (부경대학교 금속공학과) ;
  • 이선우 (인하공업전문대학 전기정보과)
  • Received : 2017.02.20
  • Accepted : 2017.03.17
  • Published : 2017.06.01
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Abstract

In this paper, we prepared a metal alloy resistor with stable thermal electro motive force (thermal EMF) as well as a low temperature coefficient of resistance (TCR) by adjusting the manganese proportion from 3 to 12 wt% in the Cu-Mn-Ni alloy. Composition of the fabricated metal alloy was investigated using energy dispersive X-ray (EDX) analysis. The TCR of each sample was measured as 44.56, 40.54, 35.60, and 31.56 ppm for Cu-3Mn-2Ni, Cu-5Mn-2Ni, Cu-10Mn-2Ni, and Cu-12Mn-2Ni, respectively. All the resistor samples were available for the F grade (${\pm}1%$ of the allowable error of resistance) high-precision resistor. All the samples satisfied the baseline of high thermal EMF (under 3 mV at $60^{\circ}C$); however, Cu-3Mn-2Ni and Cu-5Mn-2Ni satisfied the baseline of low thermal EMF (under 0.3 mV at $25^{\circ}C$). We were thus able to design and fabricate the metal alloy resistor of Cu-3Mn-2Ni and Cu-5Mn-2Ni to have low TCR and stable thermal EMF at the same time.

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References

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