Two-Stage Inverter Based on Combination of High Gain DC-DC Converter and Five-Level Inverter for PV-Battery Energy Conversion

Document Type : Research paper

Authors

1 دانشجو

2 عضو هیات علمی دانشگاه شهید مدنی آذربایجان

3 استاد دانشگاه شهید مدنی آذربایجان

Abstract

This paper proposes a new two-stage inverter based on transformer-less high gain DC-DC converter for energy conversion of a photovoltaic system. The designed system consists of a high gain DC-DC converter cascaded with a three-phase inverter. The proposed DC-DC converter has a simple structure, and it has one switch in its structure. The output voltage of the DC-DC converter supplies DC source for the inverter part of the multi-stage inverter. The advanced two-stage inverter sample was fabricated, then the findings of the acquired simulation and hardware warranted the configuration applicability. Finally, the MATLAB/SIMULINK is employed for the simulation of PV-battery system. The obtained results revel that the proposed power conversion system effectively chases the load and generation fluctuations and also properly handles the power mismatches in PV-battery system. 

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References

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Journal of Operation and Automation in Power Engineering
Volume 6, Issue 1
June 2018
Pages 101-110

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History

  • Receive Date: 23 August 2017
  • Revise Date: 08 January 2018
  • Accept Date: 15 February 2018

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