Pressure tolerant power IGBTs for subsea applications

Astrid Petterteig, Riccardo Pittini, Magnar Hernes, Øystein Holt

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Abstract

This paper discusses methods to adapt power semiconductors like IGBTs for subsea operation, in from 1 bar to high pressure environment, and presents tests done to demonstrate reliable operation. The
paper has focus on three main challenges; the liquid dielectric and how to avoid air filled voids, where the highest electric voltage stress occur, and whether operation in liquid without gel influence on the
switching. Different test approaches and test results presented show that IGBTs operate well with Midel® 7131 as dielectric media. Potential advantages and challenges of bonded and press-pack
technologies are shown to be quite different
Original languageEnglish
Publication date2009
Number of pages10
Publication statusPublished - 2009
Externally publishedYes
Event13th International European Power Electronics Conference and Exhibition - Barcelona, Spain
Duration: 8 Sep 200910 Sep 2009
Conference number: 13

Conference

Conference13th International European Power Electronics Conference and Exhibition
Number13
CountrySpain
CityBarcelona
Period08/09/200910/09/2009

Bibliographical note

This paper presents results from a SINTEF research project, financed by the Norwegian Research Council program Petromaks and industry partners (oil companies, engineering companies and
manufacturers of equipment), with NTNU as university partner

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