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All Journal Bulletin of Electrical Engineering and Informatics
M. Satyendra Kumar
N.M.A.M Institute of Technology
Electrical & Electronics Engineering

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Journal : Bulletin of Electrical Engineering and Informatics

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Reliability analysis of single phase quazi Z source inverter for standalone photovoltaic system Bharathi Rao; M. Satyendra Kumar
Bulletin of Electrical Engineering and Informatics Vol 11, No 6: December 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v11i6.4101

Abstract

Quazi Z source inverter has an advantage that it can boost or buck voltage to be given to an inverter. Operation of a QZSI is similar to a Z source inverter (ZSI). A conventional photovoltaic application uses a two-stage topology of boost converter and an inverter. A QZSI can be replaced for a two-stage topology to serve the purpose. A 3 KW single phase QZSI is designed and simulated for a standalone photovoltaic system in this paper. The results for total harmonic distortion (THD) of output voltage and mean time between failure (MTBF) of the overall system is compared with a conventional ZSI and two-stage topology for the same rating. MTBF of the overall system is computed using reliability block diagram method. Reliability curve is also plotted for all the three considered topologies.
Co-Authors Bharathi Rao