Hamid Rahim*
The motive of Vehicle to Grid (V2G) is to optimize the way we produce, transport, and use electricity by turning electric cars into virtual power plants. According to this concept, we can maintain the stability of our power system by using Vehicle to Grid implementation. V2G offers many advantages like real power and reactive power compensation, load control, filter current harmonics, etc. Wind, grid, and PV system also need batteries for storage purposes. Grid uses batteries power during peak hours and transients. Electric vehicles have a battery bank that can be used for this purpose. For V2G applications battery of the electric vehicle should be highly efficient, must be having deep cycling capability, high energy density and a longer life. A set of challenges, benefits, power-flow methods, and charging-discharging techniques are discussed in this paper. This review article briefly explains and compares the control of different topologies adopted for V2G and G2V scheme. Additionally, our research shows that Vehicle to Grid application is advantageous only if efficient battery chargingdischarging techniques are used. Index Terms—Vehicle-to-Grid(V2G); Bi-directional converter; Single-Stage Converter; Electric vehicle; DC-DC converter ;DC-AC converters; Unidirectional & Bidirectional power flow; Battery storage systems
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