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The increasing adoption of electric vehicles (EVs) is placing additional strain on the electricity grid. A potential solution is the installation of bidirectional chargers that can support the power grid. These charges use bidirectional converters, including AC-DC and DC-DC types, to manage the charging and discharging of EV batteries. The DC-DC converter's behavior varies based on its operating mode. Plug-in hybrid electric vehicles (PHEVs) can function as vehicles that transfer power to the grid (V2G). EV batteries can exchange electricity bi-directionally with the grid. This paper aims to develop a control strategy for efficient the bidirectional power flow between electric vehicles (EVs) and the grid. This approach can help reduce peak loads, balance loads, control voltage, and improve electrical system stability. V2G technology allows the power grid to utilize the distributed stored energy in electric vehicles as a form of rotational reserve power. By enabling battery power transfer back to the power network, V2G technology enhances electrical system stability. With a bidirectional discharging circuit, power can also be supplied from the grid. This research focuses on inverter voltage, and the grid within the G2V and V2G framework in EVs. Finally, we design and build bidirectional chargers for EV batteries using MATLAB Simulink, focusing on V2G and G2V operational modes. Both modes (G2V & V2G) will be thoroughly investigated in the simulation and create a charger for electric vehicle batteries that can both charge the battery and provide power to the grid.

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Modeling and Analysis of Bidirectional Power Flow Grid-to-Vehicle and Vehicle-to-Grid (G2V and V2G) for Electric Vehicle Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Faizan Bashir,
  • Yang Yang,
  • Mohammed Hyder Musa Alhaj,
  • Waner Ding

摘要

The increasing adoption of electric vehicles (EVs) is placing additional strain on the electricity grid. A potential solution is the installation of bidirectional chargers that can support the power grid. These charges use bidirectional converters, including AC-DC and DC-DC types, to manage the charging and discharging of EV batteries. The DC-DC converter's behavior varies based on its operating mode. Plug-in hybrid electric vehicles (PHEVs) can function as vehicles that transfer power to the grid (V2G). EV batteries can exchange electricity bi-directionally with the grid. This paper aims to develop a control strategy for efficient the bidirectional power flow between electric vehicles (EVs) and the grid. This approach can help reduce peak loads, balance loads, control voltage, and improve electrical system stability. V2G technology allows the power grid to utilize the distributed stored energy in electric vehicles as a form of rotational reserve power. By enabling battery power transfer back to the power network, V2G technology enhances electrical system stability. With a bidirectional discharging circuit, power can also be supplied from the grid. This research focuses on inverter voltage, and the grid within the G2V and V2G framework in EVs. Finally, we design and build bidirectional chargers for EV batteries using MATLAB Simulink, focusing on V2G and G2V operational modes. Both modes (G2V & V2G) will be thoroughly investigated in the simulation and create a charger for electric vehicle batteries that can both charge the battery and provide power to the grid.