Output voltage ripple compensation device for PFC converter and battery charger for electric vehicle using the same

摘要

An output voltage ripple compensation device for a PFC converter and a battery charger for an electric vehicle using the same are disclosed. The disclosed output voltage ripple compensation device for a PFC converter includes a first switching element having one end connected to an output terminal not connected to the ground, of two output terminals constituting the output end of the PFC converter, Compensation having one end connected to the other end of the first switching element and the other end connected to the ground, and one end connected to the other end of the first switching element and one end of the second switching element. The inductor includes a compensation capacitor having one end connected to the other end of the compensation inductor and the other end connected to the ground.