Modeling of Bridge type Dual Active Converter for Power Flow Control of Hybrid Storage System in Electric Vehicles

The development of Electric Vehicles (EVs) has significant issues with energy storage and power boost. Bidirectional power flow between the energy storage system of electric vehicles and the power grid is made possible by vehicle-to-grid (V2G) and grid-to-vehicles (G2V) technology. This provides improvements in power system stability, phase shift, and voltage and current shavings under peak load conditions, which, when combined with a grid-connected inverter, a split-pi DC-DC converter, and a supercapacitor, can quickly ensure power quality. The control techniques for the grid-connected inverter and split-pi chopper converter for the hybrid energy storage system charging and discharging operations are proposed in this study. To minimize switching losses, a switching pattern is proposed for the DC-DC converter's zero current switching and zero voltage switching commutation in the charging mode. The control design is validated using simulation data for SOC, voltage, current, power, and phase shift. The effectiveness and viability of the proposed structure and control strategy are confirmed by the simulation results.