engleski

Capacitive energy storage device to cover voltage-drops in transportation vehicles

A capacitive energy storage device to cover voltage-drops of the input voltage in transportation vehicles is proposed. The system has been designed as an energy-source to be placed at DC-bus of DC/AC power converters. For the power-conversion circuit, which is necessary to compensate the voltage variations of the storage capacitors by discharging and charging, a converter topology is proposed which allows the bidirectionnal energy flow. Simulation and experimental results are also presented to verify the analysis. Experimental results have been recorded from a prototype.

Converter circuits; Converter control; Energy; Electric vehicles; Traction

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