Implementation of the Three-Level DC-DC Converter Applied in Medium-Voltage Solid-State Transformer

Hsuan Liao, Jiann Fuh Chen, Tsung Hsun Lee

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

Abstract

As the progress of wide-bandgap (WBG) semiconductor devices and the rise of distributed energy resources (DER), medium-voltage solid-state transformer (SST) becomes more and more popular in recent years. Medium-voltage SST features high-performance and fantastic functionality. The SST proposed in this paper is applied in 11.4 kVAC distribution system. The high-voltage terminals are connected in series, and the low-voltage ones are connected in parallel. Steady-state analysis and components design of the converter as well as the parameter design, insulation consideration and loss optimization of the transformer, are described in this paper. Meanwhile, the simulation software SIMPLIS and COMSOL Multiphysics® are used to ensure the validity. Finally, one of 13 modules with input voltage 1.52 kVDC, output voltage 380 VDC and output power 10 kW is designed and realized to verify the feasibility of the prototype converter applied in SST.

Original languageEnglish
Title of host publication2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728131535
DOIs
Publication statusPublished - 2019 Nov
Event4th IEEE International Future Energy Electronics Conference, IFEEC 2019 - Singapore, Singapore
Duration: 2019 Nov 252019 Nov 28

Publication series

Name2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019

Conference

Conference4th IEEE International Future Energy Electronics Conference, IFEEC 2019
CountrySingapore
CitySingapore
Period19-11-2519-11-28

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology

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