The present disclosure provides a bidirectional charging system for a vehicle, the system including: a first bridge circuit having a plurality of legs, each leg including two first switching elements connected in series to each other between both ends of a battery; a transformer including a plurality of primary side windings connected to a power grid or a load side and a plurality of secondary side windings insulated from the plurality of primary side windings; a motor including a plurality of input terminals configured to receive the plurality of phase voltages, respectively; a plurality of changeover switches configured to selectively connect connection nodes of two first switching elements included in the plurality of legs to the plurality of secondary side windings or the plurality of input terminals, respectively; and a controller configured to control a connection state of the plurality of change-over switches according to a preset operation mode.
本公开提供一种用于车辆的双向充电系统,该系统包括:第一桥电路,具有多个桥臂,每个桥臂包括在电池的两端之间彼此串联连接的两个第一开关元件;变压器,包括连接到电网或负载侧的多个初级侧绕组和与多个初级侧绕组绝缘的多个次级侧绕组;马达,包括被配置为分别接收多个相电压的多个输入端子;多个切换开关,被配置为将包括在多个桥臂中的两个第一开关元件的连接节点分别选择性地连接到多个次级侧绕组或多个输入端子;以及控制器,被配置为根据预设的操作模式控制多个切换开关的连接状态。
Bidirectional charging system for vehicle
用于车辆的双向充电系统
2023-01-31
Patent
Elektronische Ressource
Chinesisch
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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 |