The invention belongs to the technical field of vehicle-mounted chargers, and particularly relates to an AC/DC vehicle-mounted charger topological structure based on LCL topological multiplexing, the AC/DC vehicle-mounted charger topological structure comprises a variable port stage and a power transmission stage which are electrically connected, and the power transmission stage adopts a full-bridge asymmetric CLLC circuit and comprises an inversion full-bridge module, a resonant cavity and a rectification full-bridge module which are connected in sequence. The control method is simple, the variable port level topology is multiplexed through a simple relay contact switch, a set of bottom-layer power electronic equipment is multiplexed, the vehicle-mounted OBC has the electric energy AC/DC conversion function and the electric energy DC/DC conversion function at the same time, and compared with other methods, the number of devices is reduced, the power density is increased, and the cost is reduced.
本发明属于车载充电机技术领域,具体涉及一种基于LCL拓扑复用的交直流车载充电机拓扑结构,包括电连接的可变端口级和功率传输级,所述功率传输级采用全桥不对称CLLC电路,包括依次连接的逆变全桥模块、谐振腔和整流全桥模块。本发明控制方法简单,通过简单的继电器触点开关使可变端口级拓扑形成复用,复用一套底层电力电子设备,使车载OBC同时拥有电能AC/DC转换和DC/DC转换功能,对比其他方法减少了器件数量,增加功率密度,减少成本。
Alternating current and direct current vehicle-mounted charger topological structure based on LCL topological multiplexing
一种基于LCL拓扑复用的交直流车载充电机拓扑结构
06.02.2024
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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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