Disclosed is a power supply apparatus for an electric construction machinery. According to one embodiment of the present invention, the electric construction machinery can be reliably recharged at a slow or rapid rate depending on a case at a work site, improving work efficiency. The power supply apparatus for the electric construction machinery of the present invention comprises: an auxiliary battery unit (100); a converter unit (200); a charging port unit (300); and a sub-battery (400).

    전기 건설기계용 전력공급장치가 개시된다. 본 발명의 일 실시 예에 따른 전기 건설기계용 전력공급장치는 전기 건설기계가 작업 현장에서 경우에 따라 완속 또는 급속 충전을 안정적으로 실시할 수 있어 작업 효율이 향상된다.


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    Title :

    Power supply for electric excavators


    Additional title:

    전기 건설기계용 전력공급장치


    Contributors:

    Publication date :

    2023-06-02


    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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