A shovel includes an upper-part turning body performing a turning operation on a lower-part turning body. An end of a boom is rotatably attached to the upper-part turning body. One end of an arm is rotatably attached to the other end of the boom. A working element is rotatably attached to the other end of the arm. An engine, a generator and an electric accumulator are mounted on the upper-part turning body. The electric accumulator includes a plurality of electric storage cells in which an electric power generated by the generator is accumulated. An equalizing circuit equipped with a discharge resistor and a switching circuit is provided to each electric storage cell. When there is a variation in the capacitance of each electric storage cell, the equalizing circuit is caused to function.


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    Title :

    EXCAVATOR AND METHOD FOR CONTROLLING EXCAVATOR


    Additional title:

    BAGGER UND VERFAHREN ZUR STEUERUNG DES BAGGERS
    EXCAVATRICE ET PROCÉDÉ POUR COMMANDER UNE EXCAVATRICE


    Contributors:

    Publication date :

    2018-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / E02F Baggern , DREDGING / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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