Topology comparison for solid state transformer implementation

Sixifo Falcones, Xiaolin Mao, Raja Ayyanar

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

215 Scopus citations


In this paper, a comparison of six representative topologies for the implementation of Solid State Transformers (SST) is performed. The objective is to help identify the most suitable topology capable of supporting additional functionalities as compared to a regular transformer, e.g. on-demand reactive power support to grid, voltage regulation, and current limiting. The comparison is based on switch loss, switch count, control characteristics and supported functionalities. It has been concluded that a three-stage configuration comprising distinct AC-DC, DC-DC and DC-AC stages results in the most suitable implementation. A Simulink model corresponding to this three-stage configuration is developed to demonstrate the desired characteristics and functionalities of the SST.

Original languageEnglish (US)
Title of host publicationIEEE PES General Meeting, PES 2010
StatePublished - Dec 6 2010
EventIEEE PES General Meeting, PES 2010 - Minneapolis, MN, United States
Duration: Jul 25 2010Jul 29 2010

Publication series

NameIEEE PES General Meeting, PES 2010


OtherIEEE PES General Meeting, PES 2010
Country/TerritoryUnited States
CityMinneapolis, MN


  • Dual active bridge
  • HF transformers
  • Power distribution
  • Power electronics
  • Power transformers
  • Pulse width modulation
  • Solid state transformers

ASJC Scopus subject areas

  • Energy Engineering and Power Technology


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