International Journal of Electrical Engineering

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Soft Switching Full Bridge DC-DC Converter for Electric Vehicle Application


     

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Soft switching full bridge dc-dc converter for electric vehicle application has been implemented. The high voltage and high power required for electric vehicles can be obtained using voltage doubler rectifier. The main objective of this paper is to demonstrate experimentally that the combination of zebra battery, soft switching dc-dc converter and ultra capacitor bank can solve the problems like poor specific power, high voltage spike across the rectifier diode and allowing excellent performance in both acceleration and regenerative braking in an electric vehicle. The amount of energy stored allows us to have 50kw of power in 15 seconds, which is enough to accelerate the vehicle without the help of the traction battery. The vehicle uses a brushless dc motor with nominal power of 40 kw and has a peak power of 55kw. Energy flow diagram for this vehicle is also demonstrated. The operation principle of the proposed converter is analysed and verified with the help of simulation results.

Keywords

Energy Storage, Regenerative Braking, Soft-Switching, Voltage Doubler Rectifier
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  • Soft Switching Full Bridge DC-DC Converter for Electric Vehicle Application

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Abstract


Soft switching full bridge dc-dc converter for electric vehicle application has been implemented. The high voltage and high power required for electric vehicles can be obtained using voltage doubler rectifier. The main objective of this paper is to demonstrate experimentally that the combination of zebra battery, soft switching dc-dc converter and ultra capacitor bank can solve the problems like poor specific power, high voltage spike across the rectifier diode and allowing excellent performance in both acceleration and regenerative braking in an electric vehicle. The amount of energy stored allows us to have 50kw of power in 15 seconds, which is enough to accelerate the vehicle without the help of the traction battery. The vehicle uses a brushless dc motor with nominal power of 40 kw and has a peak power of 55kw. Energy flow diagram for this vehicle is also demonstrated. The operation principle of the proposed converter is analysed and verified with the help of simulation results.

Keywords


Energy Storage, Regenerative Braking, Soft-Switching, Voltage Doubler Rectifier

References