The invention discloses a series-parallel redundancy WPT system based on dual-channel current sharing and a charging control method, and relates to the field of power control, and in the system, a direct current voltage source VIN is connected with a dual-channel magnetic coupling mechanism through a dual-channel inverter and a dual-channel LCC compensation network; the dual-channel magnetic coupling mechanism is connected with the load resistor RL through the S compensation network and the series-parallel semi-active rectifier; a series-parallel connection change-over switch SSP1 and a series-parallel connection change-over switch SSP2 in the series-parallel connection semi-active rectifier are used for switching working modes of the series-parallel connection semi-active rectifier, and output control of different voltage levels is achieved. According to the invention, different charging requirements of 400V and 800V electrical architecture electric vehicles can be met, and the maximum charging power can be achieved under two voltage levels while the power balance between two channels is ensured.
本申请公开了一种基于双通道电流共享的串并联冗余WPT系统以及充电控制方法,涉及功率控制领域,该系统中直流电压源VIN通过双通道逆变器、双通道LCC补偿网络与双通道磁耦合机构连接;双通道磁耦合机构通过S补偿网络、串并联半有源整流器与负载电阻RL连接;串并联半有源整流器中的串并联切换开关SSP1和串并联切换开关SSP2用于切换串并联半有源整流器的工作模式,实现不同电压等级输出控制。本申请能够满足400V和800V电气架构电动汽车的不同充电需求,且在确保两个通道之间的功率平衡的同时,使得在两个电压等级下均能达到最大充电功率。
Series-parallel redundancy WPT system based on dual-channel current sharing and charging control method
一种基于双通道电流共享的串并联冗余WPT系统以及充电控制方法
2024-12-27
Patent
Electronic Resource
Chinese
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 |
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