单级式无线电能传输实验平台建设  

Construction of single-stage wireless power transfer experimental platform

作　　者：王春芳 卢心雨 郑建芬 WANG Chunfang;LU Xinyu;ZHENG Jianfen(College of Electrical Engineering,Qingdao University,Qingdao 266071,China)

机构地区：[1]青岛大学电气工程学院,山东青岛266071

出　　处：《实验技术与管理》2023年第2期154-158,204,共6页Experimental Technology and Management

基　　金：国家自然科学基金项目(51877113);教育部产学合作协同育人项目(202002109017)。

摘　　要：目前的无线电能传输系统一般为多级功率变换结构,存在可靠性低、成本高、传输效率低、功率密度低等问题,极大地影响了这一技术的应用普及。该文提出一种基于Boost全桥AC-AC变换器的单级式全桥无线电能传输供电方案,并通过建立实验平台进行了验证。文章介绍了该单级式无线电能传输供电方案的电路结构、工作原理、相应的调制方式及具有恒压输出特性的S-LCC补偿网络,对系统主电路参数及磁耦合器进行了设计,搭建了系统仿真模型,借助仿真结果建立了实验平台,最后通过实验验证了所提方案的正确性。该综合实验平台包含的硬件和多种软件,可用于电力电子教学。The current wireless power transfer system generally adopts multi-level power conversion structure.Due to the low reliability,high cost,low transmission efficiency,low power density and other problems,the application and popularization of this technology are greatly affected.A single-stage full bridge wireless power supply scheme based on Boost full bridge AC-AC converter is proposed in this paper,and it is verified by establishing an experimental platform.This paper introduces the circuit structure,operation principles,corresponding modulation method and S-LCC compensation network with constant voltage output characteristics of this single-stage system.The main circuit parameters and magnetic coupler of the system are designed,the system simulation model is built,and the experimental platform is established with the help of the simulation results.Finally,the correctness of the proposed scheme is verified through experiments.The comprehensive experimental platform contains both hardware and a variety of software,which can be used for teaching of power electronics.

关 键 词：无线电能传输 单级变换器 非对称调制 恒压输出 

分 类 号：TM724[电气工程—电力系统及自动化]