A wireless power transfer WPT (400) system for an electrical vehicle EV comprises a ground assembly GA (401) and a vehicle assembly VA (402), the GA (401) comprising a GA transmitter coil (407), the VA (402) comprising a VA receiver coil (408) magnetically coupled to the GA transmitter coil (407), characterized in that the WPT (400) comprises a compensation strategy stage (406) (409) that comprises a parallel-series compensation network to obtain a voltage VVA in the VA receiver coil (408) proportional to an effective current Ip_rmsin the GA transmitter coil (407), a rectifier (410) in the VA(402) to obtain a continuous voltage Vdc_VA and a control strategy stage (445) with a voltage control loop (450) and a current control loop (455), wherein the control strategy stage (445) provides a control command to regulate voltage in the VA (402) to adjust the continuous voltage Vdc_VA based on a reference DC link voltage, and a DC link of a conductive charger of the EV is regulated with the adjusted continuous voltage Vdc_VA during an inductive charging process of the EV.
用于电动车辆EV的无线电力传输WPT(400)系统,其包括地面组件GA(401)和车辆组件VA(402),GA(401)包括GA传输线圈(407),VA(402)包括磁耦合到GA传输线圈(407)的VA接收线圈(408),WPT(400)系统包括:补偿策略级(406)、(409),其包括并联串联补偿网络,以在VA接收线圈(408)中获得与GA传输线圈(407)中的有效电流I成正比的电压V;整流器(410),其在VA(402)中,以获得连续电压V;以及控制策略级(445),其具有电压控制回路(450)和电流控制回路(455),其中,控制策略级(445)提供控制命令,以调节VA(402)中的电压,从而基于参考DC链路电压调整连续电压V,在EV的感应充电过程中,利用经调整的连续电压V调节EV的导电充电器的DC链路。
WIRELESS POWER TRANSFER SYSTEMS FOR ELECTRIC VEHICLES
用于电动车辆的无线电力传输系统
2020-08-11
Patent
Elektronische Ressource
Chinesisch
WIRELESS POWER TRANSFER SYSTEMS FOR ELECTRIC VEHICLES
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