The invention relates to a power electronic device for a separately excited synchronous machine and a motor vehicle. The power electronics have, for each phase of the synchronous machine (16), a power module (2) for forming a converter of the converter (18), an excitation power module (3) having an excitation circuit (17), and a common cooling body (4), on which the power modules are fixed and thermally coupled thereto for cooling, the cooling body having a cavity (5), according to the invention, the cavity has a cooling structure (8) for each converter power module, which cooling structure is arranged adjacent to each converter power module, and in order to actively cool the power modules, a cooling fluid entering through an inflow opening (6) of the cooling body can flow through the cavity in the direction of an outflow opening (7) of the cooling body, a cooling structure (9) arranged adjacent to the excitation power module in the cavity is associated with the excitation power module.

    本发明涉及一种用于他励同步电机的功率电子设备和机动车。功率电子设备具有针对同步电机(16)的每个相的用于形成变换器(18)的变换器的功率模块(2)、具有励磁电路(17)的励磁功率模块(3)以及公共的冷却体(4),功率模块在冷却体上固定并且与之热耦合以便进行冷却,冷却体具有空腔(5),空腔具有用于每个变换器功率模块的冷却结构(8),所述冷却结构与所述每个变换器功率模块相邻地布置,空腔为了主动冷却功率模块能够被通过冷却体的流入开口(6)进入的冷却流体以向着冷却体的流出开口(7)的方式穿流,其中,为励磁功率模块配设与励磁功率模块相邻地设置在空腔中的冷却结构(9)。


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    Title :

    Power electronics for separately excited synchronous machine and motor vehicle


    Additional title:

    用于他励同步电机的功率电子设备和机动车


    Contributors:

    Publication date :

    2024-06-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H05K PRINTED CIRCUITS , Gedruckte Schaltungen / 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



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