The present disclosure provides a "shared active electromagnetic interference filter". An automotive power system includes a circuit arrangement comprising: an AC input; an AC/DC power converter; an electromagnetic interference filter that is connected between the AC input terminal and the AC/DC power converter; a transformer; a first switching bridge connected between the AC/DC power converter and the transformer, and a second switching bridge connected between the AC/DC power converter and the transformer; and a switching block connected with a secondary side of the transformer, the switching block connecting the secondary side with a second switching bridge such that the second switching bridge is connected between a traction battery and the transformer, and the switching bridge and the transformer forming an isolated DC/DC power converter. The system also includes one or more switches that connect the traction battery directly between the AC input and the electromagnetic interference filter.
本公开提供了“共享的有源电磁干扰滤波器”。一种汽车电力系统包括电路布置,所述电路布置包括:AC输入端;AC/DC电力转换器;电磁干扰滤波器,所述电磁干扰滤波器被连接在所述AC输入端与所述AC/DC电力转换器之间;变压器;第一开关桥,所述第一开关桥被连接在所述AC/DC电力转换器与所述变压器之间;以及开关组,所述开关组与所述变压器的次级侧连接,所述开关组将所述次级侧与第二开关桥连接,使得所述第二开关桥被连接在牵引电池与所述变压器之间,并且所述开关桥和所述变压器形成隔离式DC/DC电力转换器。所述系统还包括一个或多个开关,所述一个或多个开关将所述牵引电池直接连接在所述AC输入端与所述电磁干扰滤波器之间。
Shared active electromagnetic interference filter
共享的有源电磁干扰滤波器
14.01.2025
Patent
Elektronische Ressource
Chinesisch
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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