The invention discloses a high-power charging system and method for an electric ship, and solves the problem that the electric ship in the prior art urgently needs to solve high-power charging. The high-power charging system comprises a power grid module and a charging and discharging motor module connected with the power grid module, wherein the charging and discharging motor module comprises a filtering module and an inverter module, the power grid module comprises an alternating current end, the alternating current end of the power grid module is connected with one end of the filtering module, the other end of the filtering module is connected with one end of the inverter module, and the other end of the inverter module is connected with the direct-current power supply end. According to the invention, a two-level DCAC topological structure is adopted as a main circuit structure, high-efficiency, high-power and wide-voltage-range power compatibility can be achieved, the bidirectional high-power charging system has a great development prospect in the field of electric ships, and the requirements for rapid charging of the electric ships and reduction of charging waiting time can be met.
本发明公开了一种电动船舶大功率充电系统及方法,克服了现有技术的电动船舶急需解决大功率充电的问题,包括电网模块和与其连接的充放电机模块,充放电机模块包括滤波模块和逆变器模块,电网模块包括交流端,电网模块的交流端与滤波模块一端连接,滤波模块另一端与逆变器模块一端连接,逆变器模块另一端与直流电源端连接。本发明采用两电平DCAC拓扑结构作为主要电路结构,能够实现高效率、高功率和宽电压范围功率兼容性,在电动船舶领域,双向大功率充电系统有很大的发展前景,可以满足电动船舶快速充电、减少充电等待时间的需求。
High-power charging system and method for electric ship
一种电动船舶大功率充电系统及方法
09.11.2021
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 |