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Coordinated Control of Electric Vehicles and PV Resources in an Unbalanced Power Distribution System

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  • Abdulrahman Almazroui

    (Electrical Engineering Department, Colorado School of Mines, Golden, CO 80401, USA
    Electrical Engineering Department, Faculty of Engineering at Rabigh Branch, King Abdulaziz University, Rabigh 25732, Saudi Arabia)

  • Salman Mohagheghi

    (Electrical Engineering Department, Colorado School of Mines, Golden, CO 80401, USA)

Abstract

Improving air quality, reducing greenhouse gas emissions, and achieving independence from fossil fuels have led most countries towards deploying solar photovoltaics (PV) in the power distribution grid and electrifying the transportation fleet. Internal combustion engine (ICE) vehicles are, in particular, one of the main culprits of injecting greenhouse gas emissions into the atmosphere, making electric vehicles (EVs) an important tool in combating climate change. Despite their considerable environmental and economic benefits, the integration of PVs and EVs can introduce unique operational challenges for the power distribution grid. If not coordinated, high penetration of PVs and EVs can result in variety of power quality issues, such as instances of overvoltage and undervoltage, frequency fluctuations, and/or increased losses. This paper proposes a mixed-integer multi-objective nonlinear optimization model for optimal energy dispatch in a power distribution grid with high penetration of PV and EV resources. The model proposed here is an extension of the traditional voltage and var optimization (VVO) into a comprehensive and coordinated control of voltage, active power, and reactive power. A modified version of the IEEE 123-bus test distribution system is used to demonstrate the effectiveness of the proposed solution.

Suggested Citation

  • Abdulrahman Almazroui & Salman Mohagheghi, 2022. "Coordinated Control of Electric Vehicles and PV Resources in an Unbalanced Power Distribution System," Energies, MDPI, vol. 15(24), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:24:p:9324-:d:998175
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    References listed on IDEAS

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    1. Stavros Lazarou & Vasiliki Vita & Lambros Ekonomou, 2018. "Protection Schemes of Meshed Distribution Networks for Smart Grids and Electric Vehicles," Energies, MDPI, vol. 11(11), pages 1-17, November.
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