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Experimental Evaluation of a 1 kW, Single-Phase, 3-Level Gallium Nitride Inverter in hxtreme Cold Environment
Univ Illinois, Elect & Comp Engn Dept, 1406 W Green St, Urbana, IL 61801 USA..
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.ORCID iD: 0000-0001-6184-6470
Univ Illinois, Elect & Comp Engn Dept, 1406 W Green St, Urbana, IL 61801 USA..
Univ Illinois, Mech Sci & Engn Dept, Urbana, IL USA..
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2017 (English)In: 2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC), IEEE , 2017, p. 717-723Conference paper, Published paper (Refereed)
Abstract [en]

This work investigates the potential for high power density, high efficiency power conversion at extreme cold temperatures, for hybrid electric aircraft applications. A 1 kW GaN-based 3-level power converter was designed and successfully tested from room temperature down to -140 degrees C, using a custom milled cold-plate. Along with the first demonstration of a flying capacitor multi-level converter and associated components at such low temperature, this work characterized the effect on power conversion losses of various components as a function of temperature. A key finding is that careful attention must be paid to the passive component losses which can increase as the temperature is reduced.

Place, publisher, year, edition, pages
IEEE , 2017. p. 717-723
Series
Annual IEEE Applied Power Electronics Conference and Exposition (APEC), ISSN 1048-2334
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-243541ISI: 000403242800105ISBN: 978-1-5090-5366-7 (print)OAI: oai:DiVA.org:kth-243541DiVA, id: diva2:1287126
Conference
32nd IEEE Annual Applied Power Electronics Conference and Exposition (APEC), MAY 26-30, 2017, Tampa, FL
Note

QC 20190208

Available from: 2019-02-08 Created: 2019-02-08 Last updated: 2019-08-20Bibliographically approved

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Colmenares, Juan

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