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AC-AC Dual Active Bridge Converter for Solid State Transformer

Research output: Contribution to journal › Article › peer-review

Abstract

This work investigates the application of an ac-ac dual active bridge converter for solid state transformer. The proposed converter topology consists of two active H-bridges and one high frequency transformer. Four-quadrant switch cells are used to ensure bi-directional power flow. The advantages of direct ac-ac conversion include fewer power conversion stages and minimized passive components. The ac-ac dual active bridge converter is controlled with phase shift modulation. Operating modes for both power flow directions are described and zero-voltage switching criteria are analyzed. One design example is presented. Simulation results verify the theoretical analysis.

Keywords

  • AC-AC Conversion
  • AC-AC Converter
  • AC-AC Converters
  • Bi-Directional
  • Converter Topologies
  • Dual Active Bridge Converter
  • Energy Conversion
  • Four-Quadrant
  • H-Bridges
  • HVDC Power Transmission
  • High Frequency Transformers
  • Operating Modes
  • Passive Components
  • Phase Shift Modulation
  • Power Conversion Stages
  • Power Converters
  • Power Flows
  • Simulation Result
  • Solid State Transformer
  • State-Transformers
  • Zero Voltage Switching

Disciplines

  • Electrical and Computer Engineering

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