Application of 1.7-kV 700-A SiC LinPak to Optimize LCL Grid-Tied Converters

Ki Bum Park, Ralph M. Burkart, Bruno Agostini, Thiago B. Soeiro

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

4 Citations (Scopus)

Abstract

The current rating of SiC MOSFETs has been increased ever since its introduction. Yet, high current modules for 690-V and beyond grid applications, which would enable the realization of megawatt range converters, are not readily commercially available. Recently, a new high current 1.7-kV SiC MOSFET module suitable for hard-parallel connection to increase the current rating has been introduced. This paper investigates the system-level benefit of this module for a 2-level 690-V 1-MW grid-tied converter regarding achievable efficiency and power density and benchmarks the results against the achievable performance with conventional Si IGBTs. The study analyzes in detail the impact of the number of paralleled modules, the choice of the cooling system and the filter design.

Original languageEnglish
Title of host publication2019 10th International Conference on Power Electronics and ECCE Asia (ICPE 2019 - ECCE Asia)
PublisherIEEE
Pages127-133
Number of pages7
ISBN (Electronic)978-89-5708-313-0
ISBN (Print)978-1-7281-1612-9
Publication statusPublished - 2019
Event10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia: 10th International Conference on Power Electronics - Busan, Korea, Republic of
Duration: 27 May 201930 May 2019
Conference number: 10th

Conference

Conference10th International Conference on Power Electronics - ECCE Asia, ICPE 2019 - ECCE Asia
CountryKorea, Republic of
CityBusan
Period27/05/1930/05/19

Keywords

  • Cooling
  • Grid-tied converter
  • Paralleling
  • SiC MOSFET

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