Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 1

HIGH QUALITY PV-GRID SYSTEM INTEGRATION INCLUDING VSC REACTIVE POWER SUPPORT

Authors:
A.Samir
M. Muhammad sayed
M.Taha
A. Ibrahim
Domain:
power electronics in power grids (from mobile phones to smart power grids)
Abstract:
In this work, a complete model for the integration between the Photovoltaic Distributed Generation System (PV-DGS) and the utility grid has been modeled and simulated by MATLAB/SIMULINK. The aims of this study are support the active power to a given feeder, and improvement the output power quality from the PV-DGS unit. Two PV-arrays with total power yield equal to 200KW have been modeled. The maximum power point tracking based on the perturb and observe technique has been used to control the DC-DC converter. The voltage source converter using the space vector modulation has been modeled in the DQ frame to allow the system to operate in different modes. These modes are the unity output power factor and the reactive power compensation .Different control techniques have been applied including the conventional PI controller as well as the intelligent optimization tuning. A complete comparison between both techniques has been introduced and analyzed.
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