Online Chip Temperature Monitoring Using υce-Load Current and IR Thermography

Pramod Ghimire, Kristian Bonderup Pedersen, Ionut Trintis, Bjørn Rannested, Stig Munk-Nielsen, Paul Thøgersen

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

19 Citationer (Scopus)

Abstract

This paper presents on-state collector-emitter voltage (υce, on)-load current (Ic) method to monitor chip temperature on power insulated gate bipolar transistor (IGBT) modules in converter operation. The measurement method is also evaluated using infrared (IR) thermography. Temperature dependencies of υce, on at load current is measured and temperature dependency calibration factor is formulated. This method needs a correction to compensate a deviation in the interconnection resistance from homogeneous temperature field in calibration to non-homogeneous field in loading. The correction parameter is obtained from a static calibration and the method is proposed in the paper. Ageing compensation in estimating the temperature is illustrated. The correction parameter is also analysed in finite element model and also investigated experimentally superimposing heat by conducting device for a longer time in the calibration.
OriginalsprogEngelsk
TitelProceedings of the 2015 IEEE Energy Conversion Congress and Exposition (ECCE)
Antal sider8
ForlagIEEE Press
Publikationsdato20 sep. 2015
Sider6602 - 6609
ISBN (Trykt)978-1-4673-7151-3
DOI
StatusUdgivet - 20 sep. 2015
Begivenhed2015 IEEE Energy Conversion Congress and Exposition (ECCE) - Montreal, Canada
Varighed: 20 sep. 201524 sep. 2015

Konference

Konference2015 IEEE Energy Conversion Congress and Exposition (ECCE)
Land/OmrådeCanada
ByMontreal
Periode20/09/201524/09/2015

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