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All Journal EPI International Journal of Engineering
Sokchea Am
Energy Technology and Management, Institute of Technology of Cambodia. Russian Federation Blvd, P.O. Box 86, Phnom Penh Cambodia
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Modeling and Simulation of a Double-Stage Single-Phase Grid-Connected PV System Channareth Srun; Phok Chrin; Sokchea Am; Bunthern Kim
EPI International Journal of Engineering Vol 5 No 1 (2022): Volume 5 Number 1, February 2022
Publisher : Center of Techonolgy (COT), Engineering Faculty, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/epi-ije.022022.03

Abstract

This paper presents the design model and simulation of a double-stage single-phase grid-connected PV system. This system includes an MPPT DC-DC boost power converter and a transformer-less single-phase DC-AC power inverter, which is connected to the power grid with an LCL filter. In the DC-DC boost converter, the Perturb and Observe algorithms are combined. The output voltage of the DC-DC converter is regulated, and the DC/AC output voltage is synchronized with the grid. The MATLAB-Simulink environment is used for the closed-loop simulation of the proposed setup. The simulation results are presented for various solar irradiance conditions and show that photovoltaic current is generated and matches the phase of grid voltage.
Co-Authors Bunthern Kim Channareth Srun Phok Chrin