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http://dx.doi.org/10.4313/JKEM.2017.30.6.376

Stabilization of Thermo Electromotive Force of Power Type Shunt Resistor for Mass Storage Secondary Battery Management System  

Kim, Eun Min (Department of Metallurgical Engineering, Pukyong National University)
Lee, Sunwoo (Department of Electrical Information, Inha Technical College)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.30, no.6, 2017 , pp. 376-380 More about this Journal
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.
Keywords
Shunt resistor; Temperature coefficient of resistance (TCR); Thermal electromotive force (Thermal EMF);
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Times Cited By KSCI : 1  (Citation Analysis)
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