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- W2058049784 abstract "This paper proposes a method to measure the junction temperatures of insulated-gate bipolar transistors (IGBTs) during the converter operation for prototype evaluation. The IGBT short-circuit current is employed as the temperature-sensitive electrical parameter (TSEP). The calibration experiments show that the short-circuit current has an adequate temperature sensitivity of 0.35 <inline-formula xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink> <tex-math notation=TeX>${rm A}/^{circ}hbox{C} $</tex-math></inline-formula> . The parameter also has good selectivity and linearity, which makes it suitable to be used as a TSEP. Test circuit and hardware design are proposed for the IGBT junction temperature measurement in various power electronics dc–dc and ac–dc converter applications. By connecting a temperature measurement unit to the converter and giving a short-circuit pulse during the converter operation, the short-circuit current is measured, and the IGBT junction temperature can be derived from the calibration curve. The proposed temperature measurement method is a valuable tool for prototype evaluation and avoids the unnecessary safety margin regarding device operating temperatures, which is significant particularly for high-temperature/high-density converter applications." @default.
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- W2058049784 date "2014-01-01" @default.
- W2058049784 modified "2023-10-17" @default.
- W2058049784 title "Junction Temperature Measurement of IGBTs Using Short Circuit Current as a Temperature Sensitive Electrical Parameter for Converter Prototype Evaluation" @default.
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- W2058049784 doi "https://doi.org/10.1109/tie.2014.2374575" @default.
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