The invention relates to a pure electric driving device of a large dumper. Comprising a battery pack, a manual maintenance switch, a main positive relay, a current sensor, a main transformer relay, a main negative relay, a pre-charging relay, a pre-charging resistor, an electrification indicating lamp, a braking resistor, a chopping IGBT, a frequency converter, an electric reactor, a traction motor, a three-phase motor fan, a three-phase motor fan power supply and a three-phase motor fan frequency converter. The device supplies power to the frequency converters through independent battery branches, and then the three frequency converters independently control voltage and frequency of U-phase, V-phase and W-phase windings of the motor through mutual coordination, so that smooth operation of the motor is realized. The device is simple in structure, reliable in work, convenient to operate and stable and powerful in driving effect. When the self-unloading power device is used, stable power can be provided for a truck in the driving process of the self-unloading truck.

    本发明涉及一种大型自卸车纯电驱动装置,包括电池组、手动维护开关、主正继电器、电流传感器、主变继电器、主负继电器、预充继电器、预充电阻、带电指示灯、制动电阻、斩波IGBT、变频器、电抗器、牵引电机、三相电机风扇、三相电机风扇电源、三相电机风扇变频器。该装置通过独立的电池支路,供给变频器电源,之后3个变频器通过相互协调独立控制电机的U相、V相、W相绕组的电压和频率,从而实现电机的平滑运转。本发明结构简单,工作可靠,操作方便,驱动效果平稳有力。使用本发明,在自卸车驱动过程中,可以为卡车提供稳定的动力。


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    Titel :

    Pure electric driving device of large dumper


    Weitere Titelangaben:

    一种大型自卸车纯电驱动装置


    Beteiligte:
    LIU MING (Autor:in) / ZHANG XIAOQIANG (Autor:in) / GUO LONG (Autor:in) / WANG QIAN (Autor:in) / LIU JIE (Autor:in) / XU WEIDONG (Autor:in)

    Erscheinungsdatum :

    2024-02-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / 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 / F04D Strömungsarbeitsmaschinen , NON-POSITIVE-DISPLACEMENT PUMPS / 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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