- AN APPARATUS FOR DISCHARHING DC-LINK CAPACITOR FOR ELECTRIC VEHICLE CHARGER

摘要

There is provided a charging apparatus for an electric vehicle for charging a high-voltage battery by converting an alternating-current power according to an embodiment of the present invention, comprising: a rectifier for receiving the alternating-current power and rectifying the alternating-current power into a direct-current power; A boost power factor control (PFC) circuit for receiving the rectified DC power supply and compensating for the power factor of the charging device; A DC-link capacitor connected to an output of the boost PFC circuit to charge a voltage; And a DC-DC converter for converting the voltage charged in the DC-link capacitor to charge the high-voltage battery, the charging device comprising: a rectifier for controlling the rectifier, the boost PFC circuit, and the DC- A controller; And an auxiliary power unit connected to the output terminal of the DC-link capacitor to convert power charged in the DC-link capacitor to supply power to the controller.