A grid-connected pv system based on z-source inverter with maximum power extraction

Ihab Jamal Al Essawy, Mahmoud F. Elmorshedy, Sherif M. Dabour, Essam M. Rashad, Md Rabiul Islam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

The research introduces a Z-source inverter (ZSI) as an interface for a grid-connected Photovoltaic (PV) system. The ZSI performs both boosting and inversion processes in a single stage to diminish the overall system bulk volume, and cost. The proposed control technique of the entire system aims to stabilize the inverter's input voltage and controls the power injected to the grid. The system also implements maximum power point tracking (MPPT) in addition to transferring it to the grid with a unity power factor. Two independent control variables are used to decouple the control of the DC and AC sides of the ZSI. These variables are the shoot-through (ST) duty cycle and inverter modulation index. Output results of simulation are carried out to check the effectiveness of the suggested control techniques and their capability to elicit the ultimate power while regulating the DC-link voltage and achieving unity power factor process.
Original languageEnglish
Title of host publication2021 IEEE 6th International Conference on Computing, Communication and Automation (ICCCA)
PublisherIEEE
Pages926-932
Number of pages7
ISBN (Electronic)9781665414739
ISBN (Print) 9781665414739
DOIs
Publication statusPublished - 10 Jan 2022
Externally publishedYes
Event2021 IEEE 6th International Conference on Computing, Communication and Automation - Arad, Romania
Duration: 17 Dec 202119 Dec 2021

Publication series

Name
ISSN (Print)2641-8134
ISSN (Electronic)2642-7354

Conference

Conference2021 IEEE 6th International Conference on Computing, Communication and Automation
Abbreviated titleICCCA 2021
Country/TerritoryRomania
CityArad
Period17/12/2119/12/21

Keywords

  • PV, Z-source inverter, grid, MPPT, decoupling control, unity power factor
  • unity power factor
  • Z-source inverter
  • MPPT
  • grid
  • PV
  • decoupling control

ASJC Scopus subject areas

  • Control and Optimization
  • Energy Engineering and Power Technology
  • Instrumentation
  • Electrical and Electronic Engineering
  • Hardware and Architecture
  • Computer Networks and Communications
  • Renewable Energy, Sustainability and the Environment

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