Power loss modeling and thermal comparison of sic-mosfet-based 2-level inverter and 3-level flying capacitor multicell inverter

Ramin Rahimzadeh Khorasani, Saleh Farzamkia, Fanfu Wu, Arash Khoshkbar-Sadigh, Michael Thomas Brady, Vahid Dargahi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents a fair comparison between SiC-based 2-level inverter and 3-level flying capacitor multilevel (FCM) PWM inverter considering thermal variation effects on losses. A general block diagram is presented in detail which is applicable in any software to provide the loss analysis with high accuracy. Having the same heatsink and the same THD and FFT at the output stage, the 3-level FCM inverter can generate 30% higher output power with almost the same total costs. Indeed, both inverters have almost similar power losses and efficiency in the considered conditions.

Original languageEnglish (US)
Title of host publication2021 IEEE Applied Power Electronics Conference and Exposition, APEC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2607-2612
Number of pages6
ISBN (Electronic)9781728189499
DOIs
StatePublished - Jun 14 2021
Event36th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2021 - Virtual, Online, United States
Duration: Jun 14 2021Jun 17 2021

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference36th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2021
Country/TerritoryUnited States
CityVirtual, Online
Period6/14/216/17/21

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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