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Lifetime Modeling for Silicon Carbide Based Power Module

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Non-members (tax incl.)：￥6,600 Members (tax incl.)：￥5,280
Paper/Info type
SAE Paper

No.2021-24-0102

Pages
1-5(Total 5 p)
Date of publication
Sep 2021
Publisher
SAE International
Language
English
Event
International Conference on Engines and Vehicles 2021

Detailed Information

Author(E)1) Michele Calabretta PhD, 2) Angelo Messina PhD, 3) Alessandro Sitta
Affiliation(E)1) STMicroelectronics, 2) STMicroelectronics, 3) STMicroelectronics
Abstract(E)In the presented paper it has been proposed a methodology that translates the customer conditions in terms of electric power into thermo-mechanical variables correlated with power module failure mechanisms. An initial analysis of power module failure modes will be presented, then the module temperature during inverter load profile will be numerically estimated. The so-obtained time-temperature during inverter operation will be converted using Rainflow-like approach into a pre-defined number of loading conditions. According to the time and temperature dependency of the typical failure mechanism, the mentioned loading cases will be characterized by different temperature swing and time duration. The extrapolated equivalent history will be a starting point to set durability tests aimed to predict reliability performances.

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