A Grid-Forming Split-Phase Three-Leg Inverter with Unbalanced Loading and Active Power Decoupling

Namwon Kim, Renata Kimpara, Michael Starke

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a split-phase three-leg inverter that regulates 180-degree phase-shifted AC voltages to support residential house loads under unbalanced loading conditions and decouples double line frequency power pulsation by utilizing the third half-bridge switching leg. The active power decoupling function is added without extra active switching components. The control feasibility and effectiveness are verified through MATLAB Simulink simulation and controller hardware-in-the-loop test.

Original languageEnglish
Title of host publicationAPEC 2025 - 14th Annual IEEE Applied Power Electronics Conference and Exposition
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages703-710
Number of pages8
ISBN (Electronic)9798331516116
DOIs
StatePublished - 2025
Event14th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2025 - Atlanta, United States
Duration: Mar 16 2025Mar 20 2025

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
ISSN (Print)1048-2334
ISSN (Electronic)2470-6647

Conference

Conference14th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2025
Country/TerritoryUnited States
CityAtlanta
Period03/16/2503/20/25

Funding

This manuscript has been authored by UT-Battelle, LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the work for publication, acknowledges that the US government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the submitted manuscript version of this work, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (https://energy.gov/doe-public-access-plan).

Keywords

  • active power decoupling
  • split phase inverter
  • unbalanced loading condition

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