Provided is a single-stage battery charging device for an electric vehicle. The disclosed battery charging device for the electric vehicle includes a converter unit which receives an input voltage and outputs a voltage (charging voltage) to charge the battery for the electric vehicle. The converter unit includes a first switching unit which includes a first switching element, a second switching element whose one end is connected to the other end of the first switching element, a third switching element whose one end is connected to one end of the first switching element, and a fourth switching element whose one end is connected to the other end of the third switching element, and receives the input voltage, a transformer whose one end of a primary winding is connected to the other end of the first switching element and one end of the second switching element and the other end of the primary winding is connected to the other end of the third switching element and one end of the fourth switching element, and a second switching unit which includes a first input terminal connected to one end of a secondary winding of the transformer, a second input terminal connected to the other end of the secondary winding of the transformer, and an output terminal to output the charging voltage.
SINGLE-STAGE BATTERY CHARGING DEVICE FOR ELECTRIC VEHICLE
2015-09-04
Patent
Elektronische Ressource
Koreanisch
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