西安科技大学学报2025，Vol.45Issue(5)：964-972,9.DOI:10.13800/j.cnki.xakjdxxb.2025.0512
谐振网络优化设计的多接收全方向无线电能传输系统
Multi-receiver omnidirectional wireless power transfer system optimized by resonant network
摘要
Abstract
To solve the problem of low transmission efficiency in multi-receiving omnidirectional Wire-less Power Transfer(WPT)technology,the method of resonant network optimization design is adopted.By adding a series cancellation capacitor,the influence of mutual inductance between receiving coils is reduced,thereby improving the transmission efficiency of the system.The appropriate cancellation ca-pacitance value was selected by using the weighting method in the multi-objective optimization algo-rithm.Finally,the omnidirectional WPT test platform was designed to compare the changes in the sys-tem transmission efficiency before and after adding the cancellation capacitance.The results show that before adding the cancellation capacitor,the average transmission efficiency of the system was 61.9％.After adding the cancellation capacitor,the average transmission efficiency of the system reached 73.1％,with the average transmission efficiency of the system increased by 11.2％.When the load de-creases from 35 Ω to 25 Ω,the output current of the system remains essentially unchanged.When the transmission distance is between 150 and 200 mm and the receiving coil rotates at any angle,the sys-tem provides a constant current output,and the transmission efficiency remains above 70％.The re-search results provide an improved method for solving the transmission efficiency problem in the multi-receiving omnidirectional WPT system.关键词
全方向无线电能传输/多接收/互感/谐振网络设计/抵消电容Key words
omnidirectional wireless power transfer/multiple reception/mutual inductance/resonant network design/counteracting capacitance分类
信息技术与安全科学引用本文复制引用
王党树,贾如琳,王静,吴家驹,张入川,杨嘉豪,刘明要..谐振网络优化设计的多接收全方向无线电能传输系统[J].西安科技大学学报,2025,45(5):964-972,9.基金项目
国家重点研发计划项目(2023YFC3009800) （2023YFC3009800）
