Disclosed is a battery charging system. A first battery pack includes a first battery which is charged through a non-contact connection. A second battery pack includes: a second battery charged through the non-contact connection; a first capacitor connected in series between a positive electrode and a negative electrode of the second battery; and a first BMS formed to measure a second battery voltage and a voltage on both ends of the second capacitor. The first BMS charges the second battery with the first battery voltage when the first battery voltage is greater than the second battery voltage, and charges the battery with the second battery voltage when the first battery voltage is lower than the second battery voltage.

    배터리 충전 시스템으로서, 제1 배터리팩은 비접촉 연결로 충전되는 제1배터리를 포함하고, 제2 배터리팩은, 비접촉 연결을 통해 충전되는 제2 배터리, 제2 배터리의 양극과 음극 사이에 직렬 연결된 제1 커패시터, 및 제2 배터리의 전압과 제2 커패시터의 양단 전압을 측정하도록 구성된 제1 BMS를 포함하고, 제1 BMS는, 제1 배터리 전압이 상기 제2 배터리 전압보다 큰 경우 제1 배터리의 전압으로 제2 배터리를 충전하고, 제1 배터리 전압이 제2 배터리 전압보다 작은 경우 제2 배터리의 전압으로 제1 배터리를 충전한다.


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    Title :

    BATTERY CHARGING SYSTEM AND BATTERY CHARGING MEHOD


    Additional title:

    배터리 충전 시스템 및 배터리 충전 방법


    Contributors:

    Publication date :

    2020-07-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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