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Article Dans Une Revue European Journal of Electrical Engineering Année : 2022

IGBT Wirebonds Ageing: A New Test Bench Development for Dedicated Modules Assemblies

Résumé

Wirebonds ageing in power modules used in electric vehicles is a main concern for the development of reliable inverters. The development of a specific test bench to study the evolution of their properties over time has allowed conclusions to be drawn on the possibility of accelerating or not accelerating ageing tests without distorting the mechanisms actually involved in ageing. Through the use of specifically developed test bench in terms of electrical and thermal properties the studied wirebonds samples are more easily thermally controllable, equipped with measuring devices and the energy consumption at a given cycle is divided by ten compared to a classical bench. The entire process of designing and producing the specific samples and the associated test bench and a description of the first results obtained to demonstrate the relevance of the approach is given.
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Dates et versions

hal-03833214 , version 1 (20-12-2022)

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Guillaume Pellecuer, Jean-Jacques Huselstein, Thierry Martiré, François Forest, André Chrysochoos, et al.. IGBT Wirebonds Ageing: A New Test Bench Development for Dedicated Modules Assemblies. European Journal of Electrical Engineering, 2022, 24 (4), pp.161 - 169. ⟨10.18280/ejee.240401⟩. ⟨hal-03833214⟩
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