电测与仪表2024，Vol.61Issue(4)：123-131,9.DOI:10.19753/j.issn1001-1390.2024.04.018
基于多绕组变压器的高压无线充电自由定位系统
High-voltage wireless charging free positioning system based on multi-winding transformer
陈晶 1周洪 1朱傲1
作者信息
- 1. 武汉大学电气与自动化学院,武汉 430061
- 折叠
摘要
Abstract
Aiming at the problems of limited semiconductor performance and positioning difficulties in the wireless power transfer(WPT)system of electric vehicles,this paper proposes a many-to-one high-voltage wireless charging free positioning system.This system adopts the design of inverter series input to adapt to high-voltage application scenarios.Meanwhile,it uses a multi-winding transformer to realize the equivalent parallel output of inverters and the function of transmitting electric energy to primary loops.It also adopts a many-to-one design to expand the positioning range of electric vehicles to realize the free positioning function of wireless charging.In order to analyze the working mechanism of the multi-winding transformer and study the energy transmission characteristics of the many-to-one topology,this paper carries out equivalent circuit analy-sis and Matlab simulation,and makes a laboratory prototype for experimental verification.Based on the experimental and simulation results,this paper proposes a hybrid operating mode based on many-to-one WPT topology,which can effective-ly expand the positioning range of electric vehicles during wireless charging.Research and analysis show that the topology proposed in this paper can effectively increase the input voltage of the system for high-voltage scenarios,and can effective-ly expand the positioning range of electric vehicles during wireless charging to achieve free positioning.关键词
无线电能传输/多对一无线充电/多绕组变压器/自由定位Key words
wireless power transfer/many-to-one wireless charging/multi-winding transformer/free positioning分类
信息技术与安全科学引用本文复制引用
陈晶,周洪,朱傲..基于多绕组变压器的高压无线充电自由定位系统[J].电测与仪表,2024,61(4):123-131,9.
