전기차의 배터리 연결 제어 시스템 및 그 방법이 개시된다.본 발명의 실시예에 따른 전기차의 배터리 연결 제어 시스템은, 복수의 배터리팩을 포함하는 배터리부; 상기 배터리부와 모터를 구동하는 인버터를 전기적으로 연결하거나 차단하며, 복수의 릴레이(Relay)를 통해 상기 복수의 배터리팩 연결 구조를 직렬과 병렬로 변경 가능한 파워 릴레이 어셈블리(Power Relay Assembly, PRA); 및 운전자의 모터 출력 증가요구에 따라 상기 PRA를 직렬로 제어하고, 항속 거리 증가요구에 따라 상기 PRA를 병렬로 전환 제어하는 제어부;를 포함한다.

    Disclosed is a system and a method of controlling a battery connection of an electric vehicle. The system for controlling a battery connection of an electric vehicle, the system including: a battery unit including a plurality of battery packs; a power relay assembly (PRA) for electrically connecting or disconnecting the battery unit and an inverter, and changing a connection structure of the plurality of battery packs to one of a battery unit serial mode and a battery unit parallel mode through a plurality of relays; and a controller for switching the connection structure to the battery unit serial mode through the PRA in response to a driver's request to increase motor output, and switches the connection structure to the battery unit parallel mode through the PRA in response to a driver's request to increase a cruising distance.


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    Title :

    BATTERY CONNECTION CONTROL SYSTEM FOR ELECTRIC VEHICLE AND METHOD THEREFOR


    Additional title:

    전기차의 배터리 연결 제어 시스템 및 그 방법


    Publication date :

    2023-08-04


    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



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