1、 i 编号 毕 业 论 文毕 业 论 文 题 目 电动汽车无线充电系统研究 学生姓名 学 号 学 院 自动化学院 专 业 电气工程及自动化 班 级 指导教师 二一一年六月 ii 电动汽车无线充电系统研究 摘 要 非接触感应电能传输技术是一种新型电能传输技术，利用电磁感应理论实现电能有效、 安全的传输，在交通运输、航空航天、机器人、医疗器械、照明、便携式电子产品、矿井和 水下应用等场合有着广泛的应用前景。 本文对非接触感应电能传输系统中的功率变换器的一些关键技术进行了研究。首先介绍 了非接触感应电能传输的原理、研究现状和发展趋势。针对非接触感应电能传输系统的构成， 讨论了非接触感应电能传输系统的
2、设计准则，在阐述可分离变压器特点和分类的基础上，对 可分离变压器的磁路进行了分析，进而给出了新型非接触变压器的磁路模型。其次，对带可 分离变压器的全桥串联谐振变换器的电路特性进行了分析，分析了变换器的谐振频率，对移 相控制的带可分离变压器的全桥串联谐振变换器进行了电路仿真。最终的仿真结果能够满足 系统的要求，并能够稳定工作，达到预期目标。 关键词：非接触感应电能传输系统，可分离变压器，磁路模型，全桥串联谐振变换器 iii The Research of Electric Vehicle Wireless Charging System Abstract Contactless inductiv
3、e power transfer technique is a novel power transfer method, which utilizes the electromagnetic coupling theory to achieve contactless power transfer effectively and safely. Therefore this technique is widely used in many applications such as public transport systems, aviation and space systems, rob
4、ots, medical plants, lighting, compact electronic devices, mine and water applications. The paper focuses on some key technologies of the contactless inductive power system. Firstly, the main operation principle, research status and development trends are introduced. Some design guide lines are disc
5、ussed based on the structure of the system. The magnetic circuit of the separate transformer is analyzed on the base of the introduction of the characteristics and types of the separate transformer. The characteristics of the full bridge series resonant converter with the separate transformer and th
6、e resonant frequency are analyzed. The full bridge series resonant converter is analyzed by circuit simulation. The final simulation results will meet the system requirements and work stability to achieve the desired goals. Key Words： Contactless inductive power transfer system; Separate transformer; Magnetic circuit model; full bridge series resonant converter iv 目 录 摘 要
