Two Inputs Five-Level Quasi-Z-Source Inverter

Document Type : Research paper

Authors

1 Department of Electrical Engineering, Azarbaijan Shahid Madani University, Tabriz, Iran

2 Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran

Abstract

This paper combines quasi-Z-source into a typical five-level inverter, which includes two dc voltage sources, two quasi-Z-sources and five switching devices. In this structure, the output voltage amplitude is not limited to dc voltage source and it can be increased by quasi-Z-source. Besides, due to nature of Z-source families, this new structure is reliable and higher efficiency. Also, in this inverter, two quasi-Z-networks can be controlled independently. This paper also proposes new switching algorithms for proposed five-level dual quasi-Z-Source inverter based on pulse width modulation (PWM) and selective harmonic elimination method (SHEM) algorithms .The performance of proposed inverter and switching algorithm are validated with simulation results using MATLAB/SIMULINK software and experimental results based PCI-1716 data acquisition system.

Keywords

Main Subjects

References

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Journal of Operation and Automation in Power Engineering
Volume 4, Issue 2
December 2016
Pages 132-142

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History

  • Receive Date: 30 June 2015
  • Revise Date: 21 November 2015
  • Accept Date: 25 December 2016

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