The invention relates to a bidirectional power distribution method suitable for an electric vehicle cluster type wireless charging system. The method comprises: according to a circuit structure of a wireless charging system, a circuit topology structure diagram is constructed, and the wireless charging system comprises a primary side charging system and a secondary side charging system of a double-battery load; according to the primary side charging system, determining a high-frequency AC voltage Uac2 received by a first battery load module of the secondary side charging system and a high-frequency AC voltage Uac3 received by a second battery load module of the secondary side charging system; determining an alternating voltage Uac4 output by a first battery load module of the secondary charging system and an alternating voltage Uac5 output by a second battery load module of the secondary charging system according to the secondary charging system; and further determining an equation set about the relationship among the output power, the input impedance, the voltage difference and the phase difference, and carrying out power distribution on a first battery load module and a second battery load module of the secondary charging system. The problem of power grid overload is solved; and a large amount of cost is saved.
本申请涉及一种适用于电动汽车集群式无线充电系统的双向功率分配方法。该方法包括:根据无线充电系统的电路结构,构建电路拓扑结构图,无线充电系统包括原边充电系统和双电池负载的副边充电系统;根据原边充电系统,确定副边充电系统的第一电池负载模块接收到高频交流电压Uac2,以及副边充电系统的第二电池负载模块接收到的高频交流电压Uac3;根据副边充电系统,确定副边充电系统的第一电池负载模块输出的交流电压Uac4和副边充电系统的第二电池负载模块输出的交流电压Uac5;进而确定关于输出功率与输入阻抗、电压差大小、相位差之间关系的方程组,对副边充电系统的第一电池负载模块和第二电池负载模块进行功率分配。解决了电网过负荷且节省了大量成本。
Bidirectional power distribution method suitable for electric vehicle cluster type wireless charging system
适用于电动汽车集群式无线充电系统的双向功率分配方法
2024-08-20
Patent
Electronic Resource
Chinese
IPC: | 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 / 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 |
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