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Abdelkrim Benali
NOUR Bachir University Center
Control & Systems Engineering Electrical & Electronics Engineering

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Voltage profile and power quality improvement in photovoltaic farms integrated medium voltage grid using dynamic voltage restorer Abdelkrim Benali; Mounir Khiat; Mouloud Denai
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 11, No 3: September 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (538.403 KB) | DOI: 10.11591/ijpeds.v11.i3.pp1481-1490

Abstract

In this paper, we have presented a simulation study to analyze the power quality of three phases medium voltage grid connected with distribution generation (DG) such as photovoltaic (PV) farms and its control schemes. The system uses two-stage energy conversion topology composed of a DC to DC boost converter for the extraction of maximum power available from the solar PV system based on incremental inductance technique and a three-level voltage source inverter (VSI) to connect PV farm to the power grid. To maintain the grid voltage and frequency within tolerance following disturbances such as voltage swells and sags, a fuzzy logic-based Dynamic Voltage Restorer is proposed. The role of the DVR is to protect critical loads from disturbances coming from the network. Different fault conditions scenarios are tested and the results such as voltage stability, real and reactive powers, current and power factor at the point of common coupling (PCC) are compared with and without the DVR system.
Co-Authors Mouloud Denaï Mounir Khiat