The invention discloses an electric vehicle charging station based on high-voltage direct-current power distribution, which comprises a high-voltage circuit breaker, a high-voltage direct-current conversion device and a charger, and is characterized in that a three-phase high-voltage input voltage is connected with the high-voltage direct-current conversion device through the high-voltage circuit breaker; the high-voltage direct-current conversion device converts the three-phase high-voltage input alternating current into direct current to be supplied to the charger. The invention provides an inventive concept of a direct-current power distribution charging station, power factor correction and LLC full-bridge inversion are realized by arranging a high-voltage direct-current conversion device and adopting a high-voltage-withstanding switching device, three-phase high-voltage input alternating current is converted into direct current to be supplied to a charger, and the design of a direct-current charging module is simplified; the power density of the DC charging module is improved, the stability of the charger is improved, and the construction cost of the charging station is reduced.
本发明公开一种基于高压的直流配电的电动车充电站,包括高压断路器、高压直流变换装置和充电机,其中:三相高压输入电压通过高压断路器与高压直流变换装置连接,高压直流变换装置将三相高压输入交流电变换为直流电供电至充电机。本发明提出了一种直流配电的充电站的发明构思,通过高压直流变换装置的设置,采用高耐压的开关器件实现功率因素校正和LLC全桥逆变,将三相高压输入交流电变换为直流电供电至充电机,且简化直流充电模块设计,提高直流充电模块的功率密度,提升充电机稳定性,降低充电站的建设成本。
Electric vehicle charging station based on high-voltage direct-current power distribution
一种基于高压直流配电的电动车充电站
2023-08-11
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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