The invention relates to a drive system for an electrically driven motor vehicle and to a method for operating a drive system, which extends the lifetime of a power module, which is a component of a pulse inverter of the drive system. According to the invention, the pulse inverter (12) has a buck converter (13) connected upstream of the power module (14), which buck converter is designed to convert an input voltage (UE) of the pulse inverter (12) into a lower output voltage (UA), which is applied to the input of the power module (14).

    本发明涉及一种用于电驱动的机动车的驱动系统和一种用于运行驱动系统的方法,该方法延长功率模块的寿命,功率模块是驱动系统的脉冲逆变器的组成部分。根据本发明提出,脉冲逆变器(12)具有连接在功率模块(14)上游的降压变换器(13),该降压变换器被设置成,将脉冲逆变器(12)的输入电压(UE)转换为较低的输出电压(UA),所述输出电压被施加在功率模块(14)的输入端上。


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    Title :

    ELECTRICAL DRIVE SYSTEM AND OPERATING METHOD


    Additional title:

    电气驱动系统和运行方法


    Contributors:

    Publication date :

    2020-11-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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