The invention relates to a working machine, in particular a construction and/or excavation machine such as a crawler, dump truck, mining device, or the like, comprising an electric drive with an electronic power unit which has at least one converter that has power connections for connecting power cables, said connections being covered by a cover. A manually actuatable grounding device is provided for grounding all the poles of the converter and/or for short-circuiting an intermediate circuit connected to the converter. In particular, the invention also relates to such a converter. According to the invention, the manually actuatable grounding device is coupled to a cover lock of the cover such that the cover can be unlocked by actuating said grounding device.


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    Title :

    WORK MACHINE HAVING AN ELECTRIC DRIVE


    Additional title:

    ENGIN DE TRAVAIL A ENTRAINEMENT ELECTRIQUE, DISPOSITIF DE MISE A LA TERRE ET DISPOSITIF DE COURT-CIRCUIT POUR CIRCUIT INTERMEDIAIRE


    Contributors:

    Publication date :

    2015-04-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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