Evaluating the control of a DAB converter for an application that involves EV charging using SPS, TPS, DPS, and EPS

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Abstract

Due to the rising cost of petroleum products and the need to safeguard the environment, electric vehicles are regaining popularity. Internal combustion engines use unidirectional power flow; however, in electrical vehicles, the use of regenerative brakes improves overall process efficiency, necessitating two direction energy flow. This work compares between different control methods and explain how the DPS is the best method. Dual Active Bridge (DAB) are becoming more common because they support power from the grid to the vehicle and from the vehicle to the grid DAB converters have a high-power density, are efficient, and are simple to use. Where triple phase shift (TPS), dual phase shift (DPS), signal phase shift (SPS), and extend phase shift (EPS), regulate DAB converters (TPS). This study analyses various approaches using a MATLAB simulation model for R load and concludes that SPS is the easiest to implement, EPS is better than SPS because of minimal losses, and DPS is the best method because it has two inner phase shifts and TPS is more complicated. Zero voltage switching is simulated for the DAB converter with an R load (SPS).

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Keywords

Zero Voltage Switching, SinglePhase Shift, Triple Phase Shift, Dual-Phase-Shift, Extend Phases Shift.