State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements

Mohammad A. Hannan, Pin Jern Ker, Molla S. Hossain Lipu, Zhen Hang Choi, M. Safwan Abd. Rahman, Kashem M. Muttaqi, Frede Blaabjerg

Research output: Contribution to journalJournal articleResearchpeer-review

192 Citations (Scopus)
301 Downloads (Pure)

Abstract

Solid-state transformer (SST) is an emerging technology integrating with a transformer power electronics converters and control circuitry. This paper comprehensively reviews the SST topologies suitable for different voltage levels and with varied stages, their control operation, and different trends in applications. The paper discusses various SST configurations with their design and characteristics to convert the input to output under unipolar and bipolar operation. A comparison between the topologies, control operation and applications are included. Different control models and schemes are explained. Potential benefits of SST in many applications in terms of controllability and the synergy of AC and DC systems are highlighted to appreciate the importance of SST technologies. This review highlights many factors including existing issues and challenges and provides recommendations for the improvement of future SST configuration and development.
Original languageEnglish
Article number8962031
JournalIEEE Access
Volume8
Pages (from-to)19113 - 19132
Number of pages20
ISSN2169-3536
DOIs
Publication statusPublished - Jan 2020

Keywords

  • converter control
  • power distribution
  • solid-state transformer
  • transformer topologies
  • power converter
  • Converter control

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