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        Voltage Profile and Power Quality Improvement in Photovoltaic Farms Integrated Medium Voltage Grid using Dynamic Voltage Restorer

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        Author
        Benali, Abdelkrim
        Khiat, Mounir
        Denai, Mouloud
        Attention
        2299/23099
        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.
        Publication date
        2020-09-01
        Published in
        International Journal of Power Electronics and Drive Systems
        Published version
        https://doi.org/10.11591/ijpeds.v11.i3.pp1481-1490
        License
        http://creativecommons.org/licenses/by-sa/4.0/
        Other links
        http://hdl.handle.net/2299/23099
        Relations
        School of Physics, Engineering & Computer Science
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