The invention discloses a full silicon carbide direct current charging pile which comprises a vehicle charging connector, a charging module, a metering monitoring unit and a charging controller, the metering monitoring unit is further connected with a metering control unit, the metering control unit is connected with a touch screen, and the charging module comprises a front-stage circuit board and a rear-stage circuit board. The front-stage circuit board comprises a first converter, the first converter is of a three-phase six-switch full-bridge topological structure, the rear-stage circuit board comprises a second converter, and the second converter is of a single-phase full-bridge two-level LLC topological structure based on a 1200 V SiC device. A topological structure of AC/DC and DC/DC of a full SiC technical scheme is adopted, the superior characteristics of high frequency, high power, high voltage resistance and the like of a silicon carbide (SiC) power device are fully utilized, the circuit structure is simplified, and the equipment reliability and efficiency are improved.
本发明公开了一种全碳化硅直流充电桩,包括车辆充电接头、充电模块、计量监测单元和充电控制器,所述的计量监测单元还连接计量控制单元,所述计量控制单元连接触控屏,所述充电模块包括前级电路板和后级电路板,所述前级电路板包括转换器一,所述转换器一为三相六开关全桥拓扑结构,所述后级电路板包括转换器二,所述转换器二为基于1200VSiC器件的单相全桥两电平LLC拓扑结构。本发明采用全SiC技术方案的AC/DC与DC/DC的拓扑结构,充分利用碳化硅(SiC)功率器件具有高频、高功率、耐高压等优越特性,简化电路结构,提高了设备可靠性和效率。
All-silicon-carbide direct-current charging pile
一种全碳化硅直流充电桩
2023-08-08
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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