Y-source inverter

Yam P. Siwakoti, Graham Town, Poh Chiang Loh, Frede Blaabjerg

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

20 Citations (Scopus)

Abstract

This paper introduces a new 3-phase Y-source inverter whose gain is presently not matched by classical impedance-network-based inverters operating at the same duty ratio. The proposed network uses a tightly coupled transformer with three windings. By squeezing the shoot-through range while keeping higher boost, the inverter can operate at a higher modulation index, thereby minimizing switching device stress and providing better output power quality. In addition, the inverter has more degrees of freedom for setting the voltage gain and modulation index than other classical impedance-source networks. This design flexibility was proven mathematically, and is supported by simulations carried out to prove the concept and validate the analysis.
Original languageEnglish
Title of host publicationProceedings of the 5th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2014
Number of pages6
PublisherIEEE Press
Publication dateJun 2014
ISBN (Print)9781479951161
DOIs
Publication statusPublished - Jun 2014
Event5th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2014 - Galway, Ireland
Duration: 24 Jun 201427 Jun 2014
Conference number: 5
http://www.pedg2014.org/

Conference

Conference5th International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2014
Number5
CountryIreland
CityGalway
Period24/06/201427/06/2014
Internet address

Keywords

  • DC/AC power conversion
  • Y-source network
  • Distributed generation
  • Impedance network

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