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Title: Power control of single-phase voltage source inverter for grid-connected photovoltaic systems
Authors: S. Samerchur
S. Premrudeepreechacharn
Y. Kumsuwun
K. Higuchi
Keywords: Energy
Issue Date: 20-Jun-2011
Abstract: This paper presents the design and analysis of both the active and reactive power control of a single-phase voltage source inverter (VSI) for grid-connected photovoltaic (PV) system. The proposed method is based on vector control of power by decoupling control of the active and reactive current components to feed the active and reactive power to the grid. The aim of this research is to control power factor at grid, to improve overall efficiency of transferring power of PV to alternate current power conversion into the grid, and to decrease phase current distortion of VSI. In this work, mathematical model of system has presented in details. The results of simulations of PV system 1kW connected to grid 220V, 50 Hz using MATLAB/Simulink software are also discussed. Simulation results have shown that the grid input power factor is nearly unity, and the distorting of phase current of the proposed system has been reduced, causing the total harmonic distortion for various power conditions falls within 5%. © 2011 IEEE.
Appears in Collections:CMUL: Journal Articles

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