Realization of a Single-Phase Multilevel Inverter for Grid-Connected Photovoltaic System
Journal Title: Engineering, Technology & Applied Science Research - Year 2018, Vol 8, Issue 5
Abstract
This paper introduces the implementation of a single-phase multilevel inverter for a grid-connected photovoltaic system. The considered topology contains a full bridge converter tied to an auxiliary circuit made of two power switches. A proportional integral (PI) current controller is established with this inverter to inject a sinusoidal current into the grid with a power factor near to unity. The studied system is tested on Matlab/Simulink and verified by experiment through a test bench comprising of a fabricated prototype and a DSP TMS320F28379D. The obtained results prove the efficiency of the inverter to maintain a direct power flow from DC sources, such as solar panels, to the grid by respecting some normalized criteria for this operation.
Authors and Affiliations
A. Nouaiti, A. Mesbahi, A. Saad, M. Khafallah, M. Reddak
Keywords
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