The invention relates to a motor vehicle having a separately excited synchronous machine and a power electronics device which is connected to a high-voltage network and has at least one intermediate circuit capacitor on the high-voltage network side, the invention relates to a motor vehicle having a power electronics comprising a converter assigned to a synchronous machine and an excitation circuit assigned to the synchronous machine for energizing an excitation winding of the synchronous machine, having a cooling device for cooling the power electronics, and having an overvoltage protection circuit assigned to an intermediate circuit capacitor, the overvoltage protection circuit has at least one varistor which becomes electrically conductive when a voltage present thereon exceeds a voltage threshold, and at least one varistor of the overvoltage protection circuit forms part of an excitation module having an excitation circuit and a housing, the excitation module is thermally coupled to a heat sink of the cooling device to cool the excitation module.

    本发明涉及一种机动车,该机动车具有他励同步电机和连接至高压电网的、带有至少一个高压电网侧的中间电路电容器的电力电子装置,电力电子装置包括分配给同步电机的变换器和分配给同步电机的用于给同步电机的励磁绕组通电的励磁电路,机动车具有用于冷却电力电子装置的冷却装置,为中间电路电容器分配过有过压保护电路,过压保护电路具有至少一个压敏电阻,该至少一个压敏电阻在其上存在的电压超过电压阈值时变为导电的,至少过压保护电路的至少一个压敏电阻形成具有励磁电路和壳体的励磁模块的一部分,励磁模块与冷却装置的散热体热耦联以冷却励磁模块。


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    Titel :

    Motor vehicle with separately excited synchronous machine


    Weitere Titelangaben:

    具有他励同步电机的机动车


    Beteiligte:
    RUPPERT DANIEL (Autor:in)

    Erscheinungsdatum :

    2024-01-26


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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