The present disclosure relates to a vehicle battery charging system and a battery charging method thereof. The present disclosure provides a battery charging method of a battery charging system including an on-board charger to convert an AC voltage from an outside into a DC voltage, a first battery, and a second battery having a lower rated voltage than that of the first battery, the battery charging method including: operating a first charging mode of turning on a first switch between the on-board charger and the first battery and turning off a second switch between the on-board charger and the second battery when a voltage of the second battery exceeds a first threshold value; and operating a second charging mode of turning off the first switch and turning on the second switch when the voltage of the second battery does not exceed the first threshold value.
Vehicle Battery Charging System and Battery Charging Method Thereof
2024-04-25
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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