A power control system for an electric vehicle operating multiple parallel battery banks according to the present invention comprises: first/second battery banks which store driving power of the electric vehicle; a motor drive part which supplies the driving power to a travel motor; DC electric parts composed of direct current-driven electric devices for operating the electric vehicle; a first DC/DC converter which converts DC power supplied from the first battery bank into DC power suitable for the DC electric parts; a second DC/DC converter which converts DC power supplied from the second battery bank into DC power suitable for the DC electric parts; a first relay which switches the power supply paths of the first DC/DC converter and the DC electric parts; a second relay which switches the power supply paths of the second DC/DC converter and the DC electric parts; and an upper control part which, when the electric vehicle is in a key-on state, controls the corresponding power supply paths by designating the least worn down battery bank among the battery banks mounted on the electric vehicle as the first battery bank to be used for controlling the travel motor and the second least worn down battery bank as the second battery bank to be used for the DC electric parts.

    Un système de commande de puissance pour un véhicule électrique exploitant plusieurs bancs de batteries parallèles selon la présente invention comprend : des premier/second bancs de batteries qui stockent une puissance d'entraînement du véhicule électrique ; une partie d'entraînement de moteur qui fournit la puissance d'entraînement à un moteur de déplacement ; des éléments électriques CC composés de dispositifs électriques commandés par courant continu pour exploiter le véhicule électrique ; un premier convertisseur CC/CC qui convertit la puissance CC fournie par le premier banc de batteries en une puissance CC appropriée pour les éléments électriques CC ; un second convertisseur CC/CC qui convertit la puissance CC fournie par le second banc de batteries en une puissance CC appropriée pour les éléments électriques CC ; un premier relais qui commute les trajets d'alimentation électrique du premier convertisseur CC/CC et des éléments électriques CC ; un second relais qui commute les trajets d'alimentation électrique du second convertisseur CC/CC et des éléments électriques CC ; et une partie de commande supérieure qui, lorsque le véhicule électrique est dans un état de mise sous tension, commande les trajets d'alimentation électrique correspondants en désignant le banc de batteries le moins usé parmi les bancs de batteries montés sur le véhicule électrique en tant que premier banc de batteries à utiliser pour commander le moteur de déplacement et le second banc de batteries le moins usé en tant que second banc de batteries à utiliser pour les éléments électriques CC.

    본 발명의 다중 병렬 배터리 뱅크를 운용하는 전기 차량를 위한 전력 제어 시스템은, 전기 차량의 구동 전력을 저장하는 제1/제2 배터리 뱅크; 주행용 모터에 구동 전력을 공급하는 모터 구동부; 전기 차량의 운행을 위한 직류 구동 전장 장치들로 이루어진 DC 전장부; 상기 제1 배터리 뱅크에서 공급받은 DC 전력을 상기 DC 전장부에 맞는 DC 전력으로 변환하는 제1 DC/DC 컨버터; 상기 제2 배터리 뱅크에서 공급받은 DC 전력을 상기 DC 전장부에 맞는 DC 전력으로 변환하는 제2 DC/DC 컨버터; 상기 제1 DC/DC 컨버터와 상기 DC 전장부의 전력 공급 경로를 스위칭하는 제1 릴레이; 상기 제2 DC/DC 컨버터와 상기 DC 전장부의 전력 공급 경로를 스위칭하는 제2 릴레이; 및 상기 전기 차량의 키온시, 상기 전기 차량에 장착된 배터리 뱅크들 중에서 내구 상태가 가장 우수한 것을 주행 모터 제어에 사용할 상기 제1 배터리 뱅크로, 다음으로 우수한 것을 상기 DC 전장부에 사용할 상기 제2 배터리 뱅크로 지정하여, 해당 전력 공급 경로를 제어하는 상위 제어 유닛을 포함한다.


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    Title :

    POWER CONTROL SYSTEM AND METHOD FOR ELECTRIC VEHICLE OPERATING MULTIPLE PARALLEL BATTERY BANKS, AND METHOD FOR CHARGING AUXILIARY BATTERY


    Additional title:

    SYSTÈME ET PROCÉDÉ DE COMMANDE DE PUISSANCE POUR VÉHICULE ÉLECTRIQUE EXPLOITANT PLUSIEURS BANCS DE BATTERIES PARALLÈLES, ET PROCÉDÉ DE CHARGE DE BATTERIE AUXILIAIRE
    다중 병렬 배터리 뱅크를 운용하는 전기 차량를 위한 전력 제어 시스템 및 방법, 보조 배터리 충전 방법


    Contributors:
    NOH HYEONG TAE (author) / KWAK IN JAE (author) / KIM SANG HOON (author) / BYUN SE HEE (author) / LEE JUN WOO (author) / JIN SIL LO (author) / KIM DAE WOO (author)

    Publication date :

    2024-04-04


    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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