New clectro-thermal modeling method for IGBT power module

Mussard, L.; Tounsi, P.; Austin, Patrick; DorkeI, J.-M.; Antonini, E.

doi:10.1109/bipol.2004.1365805

Cited by 1 publication

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References 3 publications

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“…The volumetric calorific power (in W m −3 ) dissipated by the chip at each timestep might be approximated by the following relation: P = −4.41 10 8 − 2.04 10 8 α− 0.533I + 5.606Iα+ 9.92 10 −10 I 2 + 2.28 10 7 T [58] where T (˚C) is the temperature of the chip, I ( A m −3 ) is the volumetric current density and α (adimensional value between 0 and 1) is the cyclic ratio of the power converter. This expression has been extracted from the study defined with the electrothermal chip model developed by (Mussard et al, 2004). For each timestep, we perform an electric calculation followed by a thermal one.…”

Section: Electro-thermal Modelmentioning

confidence: 99%

A methodology for large scale finite element models, including multi-physic, multi-domain and multi-timestep aspects

Menanteau

Pantalé

Caperaa

2006

European Journal of Computational Mechanics

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This works concerns the development of a virtual prototyping tool dedicated to electro-thermo-mechanical simulation of power converters. The FEM code, written using an object-oriented language, includes a dual Schur Domain Decomposition Method. The solving of problems including floating subdomains can be performed in steady-state cases, whereas one can couple multi-timestep implicit and explicit integration schemes in transient analysis.The last part of this work is about the study of an industrial benchmark concerning the power converters used in railway transport: the electro-thermal simulation of a switch in transient analysis. This example allows to compare different strategies of tearing into subdomains and the use of different timesteps on the same structure.RÉSUMÉ. Ce travail concerne le développement d'une plateforme de prototypage virtuel dédiée à la simulation numérique électro-thermo-mécanique des convertisseurs de puissance. Le code éléments finis, développé selon un formalisme orienté objets, est basé sur une décomposition duale de type Schur. La résolution des sous-problèmes incluant les domaines flottants peut être réalisée en régime permanent. Il est également possible de coupler les approches implicite multitemps et explicite pour une analyse transitoire. La dernière section de ce travail présente un cas test industriel concernant les convertisseurs de puissance utilisés dans le transport ferroviaire : la simulation électrothermique transitoire d'un switch. Cet exemple permet de comparer les différentes stratégies et l'utilisation de plusieurs incréments de temps dans une structure.

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Section: Electro-thermal Modelmentioning

confidence: 99%