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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, Skolan för elektro- och systemteknik (EES), Elkraftteknik.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 (Engelska)Ingår i: 2017 THIRTY SECOND ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC), IEEE , 2017, s. 717-723Konferensbidrag, Publicerat paper (Refereegranskat)
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.

Ort, förlag, år, upplaga, sidor
IEEE , 2017. s. 717-723
Serie
Annual IEEE Applied Power Electronics Conference and Exposition (APEC), ISSN 1048-2334
Nationell ämneskategori
Annan elektroteknik och elektronik
Identifikatorer
URN: urn:nbn:se:kth:diva-243541ISI: 000403242800105ISBN: 978-1-5090-5366-7 (tryckt)OAI: oai:DiVA.org:kth-243541DiVA, id: diva2:1287126
Konferens
32nd IEEE Annual Applied Power Electronics Conference and Exposition (APEC), MAY 26-30, 2017, Tampa, FL
Anmärkning

QC 20190208

Tillgänglig från: 2019-02-08 Skapad: 2019-02-08 Senast uppdaterad: 2019-08-20Bibliografiskt granskad

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Colmenares, Juan

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