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Built-in reliability design of a high-frequency SiC MOSFET power module

Li, Jianfeng; Gurpinar, Emre; Lopez Arevalo, Saul; Castellazzi, Alberto; Mills, Liam

Authors

Jianfeng Li

Emre Gurpinar emre.gurpinar@nottingham.ac.uk

Alberto Castellazzi alberto.castellazzi@nottingham.ac.uk

Liam Mills



Abstract

A high frequency SiC MOSFET-based three-phase, 2-level power module has been designed, simulated, assembled and tested. The design followed a built-in reliability approach, involving extensive finite-element simulation based analysis of the electro-thermo-mechanical strain and stress affecting the switch during both manufacturing and operation: structural simulations were carried out to identify the materials, geometry and sizes of constituent parts which would maximize reliability. Following hardware development, functional tests were carried out, showing that the module is suitable for high switching frequency operation without impairing efficiency, thus enabling a considerable reduction of system-level size and weight.

Peer Reviewed Peer Reviewed
APA6 Citation Li, J., Gurpinar, E., Lopez Arevalo, S., Castellazzi, A., & Mills, L. (in press). Built-in reliability design of a high-frequency SiC MOSFET power module
Keywords SiC MOSFET, multi-chip power modules, reliability.
Publisher URL http://ieeexplore.ieee.org/document/6870033/
Related Public URLs https://www.ieee.org/conferences_events/conferences/conferencedetails/index.html?Conf_ID=32002
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information Published in: Proceedings of 2014 International Power Electronics Conference (IPEC Hiroshima 2014 - ECCE-ASIA). IEEE, 2014. ISBN 9781479927067. doi:10.1109/IPEC.2014.6870033

© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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