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An initial consideration of silicon carbide devices in pressure-packages

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Ortiz Gonzalez, Jose Angel, Alatise, Olayiwola M., Ran, Li, Mawby, P. A. (Philip A.), Rajaguru, Pushparajah and Bailey, Christopher (2017) An initial consideration of silicon carbide devices in pressure-packages. In: 2016 IEEE Energy Conversion Congress and Exposition (ECCE), Milwaukee, WI, 18-22 Sep 2016. Published in: 2016 IEEE Energy Conversion Congress and Exposition (ECCE) ISBN 9781509007370.

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Official URL: http://doi.org/10.1109/ECCE.2016.7854851

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Abstract

Fast switching SiC Schottky diodes are known to exhibit significant output oscillations and electromagnetic emissions in the presence of parasitic inductance from the package/module connections. Furthermore, solder pad delamination and wirebond lift-off are common failure modes in high temperature applications. To this end, pressure packages, which obviate the need for wire-bonds and solder/die attach, have been developed for high power applications where reliability is critical like thyristor valves in HVDC line commutated converters. In this paper, SiC Schottky diodes in pressure-packages (press-pack) have been designed, developed and tested. The electrothermal properties of the SiC diode in press-pack have been tested as a function of the clamping force using different thermal contacts, namely molybdenum and Aluminum Graphite. Finite Element Simulations have been used to support the analysis.

Item Type: Conference Item (Paper)
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Diodes, Schottky-barrier -- Design, Diodes, Schottky-barrier -- Testing, Silicon carbide
Journal or Publication Title: 2016 IEEE Energy Conversion Congress and Exposition (ECCE)
Publisher: IEEE
ISBN: 9781509007370
Official Date: 16 February 2017
Dates:
DateEvent
16 February 2017Available
1 May 2017Accepted
1 July 2016Submitted
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 22 February 2017
Date of first compliant Open Access: 22 February 2017
Funder: Engineering and Physical Sciences Research Council (EPSRC)
Grant number: EP/L007010/1, EP/K034804/1, EP/K035304/1
Conference Paper Type: Paper
Title of Event: 2016 IEEE Energy Conversion Congress and Exposition (ECCE)
Type of Event: Conference
Location of Event: Milwaukee, WI
Date(s) of Event: 18-22 Sep 2016

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