Multi-Stage DC-AC Converter Based on New DC-DC Converter for Energy Conversion

Document Type : Research paper

Author

Azarbaijan Shahid Madani University

Abstract

This paper proposes a multi-stage power generation system suitable for renewable energy sources, which is composed of a DC-DC power converter and a three-phase inverter. The DC-DC power converter is a boost converter to convert the output voltage of the DC source into two voltage sources. The DC-DC converter has two switches operates like a continuous conduction mode. The input current of DC-DC converter has low ripple and voltage of semiconductors is lower than the output voltage. The three-phase inverter is a T-type inverter. This inverter requires two balance DC sources. The inverter part converts the two output voltage sources of DC-DC power converter into a five-level line to line AC voltage. Simulation results are given to show the overall system performance, including AC voltage generation. A prototype is developed and tested to verify the performance of the converter.

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References

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History

  • Receive Date: 30 June 2015
  • Revise Date: 09 September 2015
  • Accept Date: 09 June 2016
  • First Publish Date: 09 June 2016

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