A shovel according to an embodiment of the present invention includes an upper swivel body (3), an engine (11), a motor generator (12) which can assist the engine (11), a capacitor (19), a swiveling electric motor (21) which swivels the upper swivel body (3), a DC bus (110) which is connected to the motor generator (12), the capacitor (19), and the swiveling electric motor (21), and a controller (30) which controls charging and discharging of the capacitor (19). In a case where a swiveling operation is performed, the controller (30) drives the swiveling electric motor (21) by discharging power discharged by the capacitor (19), and thereafter, drives the swiveling electric motor (21) by power generated by the motor generator (12).


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    Title :

    SHOVEL WITH ELECTRIC SWIVEL MOTOR


    Additional title:

    BAGGER MIT ELEKTRISCHEM DREHBÜHNEMOTOR
    PELLE AVEC MOTEUR ÉLÉCTRIQUE POUR LA STRUCTURE TOURNANTE


    Contributors:

    Publication date :

    2020-02-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    E02F Baggern , DREDGING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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