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	Online collector-emitter saturation voltage measurement for the in-situ temperature estimation of a high-power 4.5 kV IGBT module	[View]   [Download]
Author(s)	Martin HOEER
Abstract	A novel online measurement unit for capturing the collector-emitter voltage during conduction mode has been developed. This is a well-known method for the health monitoring of power semiconductors and for estimating the junction temperature. This method is shown in the literature for up to 1000 V DC-link voltages. However, an online measurement for high-voltage (4.5 kV) IGBTs demands a new approach, as existing solutions cannot be applied. The solution proposed is experimentally verified with a 4.5-kV IGBT at various junction temperatures, collector currents and collector-emitter voltages.
Download	Filename: 0336-epe2017-full-18574899.pdf Filesize: 454.4 KB
Type	Members Only
Date	Last modified 2018-04-17 by System