A battery system comprises: a high voltage battery including a plurality of battery cells; a battery management system that manages the high voltage battery; a low voltage battery that supplies a low voltage lower than the high voltage battery to the battery management system; a DC-DC converter that receives a battery voltage between an anode and a cathode of the high voltage battery to generate a first output voltage; and a power switching circuit that supplies the output voltage of the DC-DC converter to the battery management system when a detection voltage corresponding to an output voltage of the low voltage battery is less than a predetermined threshold voltage.

    배터리 시스템은, 복수의 배터리 셀을 포함하는 고전압 배터리, 상기 고전압 배터리를 관리하는 배터리 관리 시스템, 상기 고전압 배터리보다 낮은 저전압을 상기 배터리 관리 시스템에 공급하는 저전압 배터리, 상기 고전압 배터리의 양극 및 음극 사이의 배터리 전압을 공급받아 제1 출력 전압을 생성하는 DC-DC 컨버터, 및 상기 저전압 배터리의 출력 전압에 대응하는 감지 전압이 소정의 임계전압 보다 작을 때, 상기 DC-DC 컨버터의 출력 전압을 상기 배터리 관리 시스템에 공급하는 전력 스위칭 회로를 포함할 수 있다.


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    Title :

    BATTERY SYSTEM AND ELECTRIC VEHICLE COMPRISING THE SAME


    Additional title:

    배터리 시스템 및 이를 포함하는 전기차


    Contributors:

    Publication date :

    2023-05-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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