DC CHARGING SYSTEM FOR STORAGE BATTERY OF ELECTRIC VEHICLE
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United States of America
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Jun 1, 2018
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Jun 1, 2018
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Abstract
A direct-current (DC) charging system is provided for a storage battery of an electric vehicle. The charging system includes a distribution transformer and a DC charging pile. The DC charging pile includes a charging pile controller and a step-down high-frequency PWM rectification filter circuit. The charging system according to this invention can reduce complexity of the structure and circuits of a charging pile, and decrease the energy consumption of the device, thus reducing the operational costs.
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