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Voltage Regulation and Power Loss Minimization in Radial Distribution Systems via Reactive Power Injection and Distributed Generation Unit Placement

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  • Ghaeth Fandi

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27 Prague 6, Czech Republic
    Department of Sustainable Technologies, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 961/129, 165 00 Prague 6, Czech Republic)

  • Ibrahim Ahmad

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27 Prague 6, Czech Republic)

  • Famous O. Igbinovia

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27 Prague 6, Czech Republic)

  • Zdenek Muller

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27 Prague 6, Czech Republic)

  • Josef Tlusty

    (Department of Electrical Power Engineering, Faculty of Electrical Engineering, Czech Technical University in Prague, Technická 2, 166 27 Prague 6, Czech Republic
    Department of Health Care Disciplines and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sportovců 2311, 272 01 Kladno, Czech Republic)

  • Vladimir Krepl

    (Department of Sustainable Technologies, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 961/129, 165 00 Prague 6, Czech Republic)

Abstract

Distributed Generation (DG) has become an essential part of the smart grids due to the widespread integration of renewable energy sources. Reactive power compensation is still one of most important research topics in smart grids. DG units can be used for reactive power compensation purposes, therefore we can improve the voltage profile and minimize power losses in order to improve the power quality. In this paper two methods will be used to accomplish the mentioned tasks; the first technique depends on the reactive power demand change of the proposed network loads, whereas the second technique uses an algorithm to control DG units according to the measured voltage values in the feeders to generate the needed reactive power. Both methods were applied to different scenarios of DG unit positions and different reactive power values of loads. The chosen DG unit is made up of a Type-4 wind farm which could be used as a general unit where it is able to control reactive power generation in a wider range separately from active power. The simulation results show that using these two methods, the voltage profile could be improved, power losses reduced and the power factor increased according to the placement of DG units.

Suggested Citation

  • Ghaeth Fandi & Ibrahim Ahmad & Famous O. Igbinovia & Zdenek Muller & Josef Tlusty & Vladimir Krepl, 2018. "Voltage Regulation and Power Loss Minimization in Radial Distribution Systems via Reactive Power Injection and Distributed Generation Unit Placement," Energies, MDPI, vol. 11(6), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1399-:d:149765
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    References listed on IDEAS

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    Cited by:

    1. Soo-Bin Kim & Seung-Ho Song, 2020. "A Hybrid Reactive Power Control Method of Distributed Generation to Mitigate Voltage Rise in Low-Voltage Grid," Energies, MDPI, vol. 13(8), pages 1-15, April.
    2. Ghaeth Fandi & Vladimír Krepl & Ibrahim Ahmad & Famous O. Igbinovia & Tatiana Ivanova & Soliman Fandie & Zdenek Muller & Josef Tlusty, 2018. "Design of an Emergency Energy System for a City Assisted by Renewable Energy, Case Study: Latakia, Syria," Energies, MDPI, vol. 11(11), pages 1-22, November.
    3. Izzah Afandi & Ashish P. Agalgaonkar & Sarath Perera, 2022. "Integrated Volt/Var Control Method for Voltage Regulation and Voltage Unbalance Reduction in Active Distribution Networks," Energies, MDPI, vol. 15(6), pages 1-21, March.
    4. Famous O. Igbinovia & Ghaeth Fandi & Ibrahim Ahmad & Zdenek Muller & Josef Tlusty, 2018. "Modeling and Simulation of the Anticipated Effects of the Synchronous Condenser on an Electric-Power Network with Participating Wind Plants," Sustainability, MDPI, vol. 10(12), pages 1-17, December.
    5. Shiue-Der Lu & Meng-Hui Wang & Chung-Ying Tai, 2019. "Implementation of the Low-Voltage Ride-Through Curve after Considering Offshore Wind Farms Integrated into the Isolated Taiwan Power System," Energies, MDPI, vol. 12(7), pages 1-12, April.
    6. Mohammad Reza Baghayipour & Amin Hajizadeh & Amir Shahirinia & Zhe Chen, 2018. "Dynamic Placement Analysis of Wind Power Generation Units in Distribution Power Systems," Energies, MDPI, vol. 11(9), pages 1-16, September.
    7. Manuel Barragán-Villarejo & Francisco de Paula García-López & Alejandro Marano-Marcolini & José María Maza-Ortega, 2020. "Power System Hardware in the Loop (PSHIL): A Holistic Testing Approach for Smart Grid Technologies," Energies, MDPI, vol. 13(15), pages 1-22, July.
    8. Ibrahim Ahmad & Ghaeth Fandi & Zdenek Muller & Josef Tlusty, 2019. "Voltage Quality and Power Factor Improvement in Smart Grids Using Controlled DG Units," Energies, MDPI, vol. 12(18), pages 1-18, September.
    9. Shiref A. Abdalla & Shahrum S. Abdullah, 2019. "Performance Improvements of Induction Motor Drive Supplied by Hybrid Wind and Storage Generation System Based on Mine Blast Algorithm," Energies, MDPI, vol. 12(15), pages 1-17, July.

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