高铁列车无线供电方法中的几个关键基础问题研究

项目名称： 高铁列车无线供电方法中的几个关键基础问题研究

项目编号： No.51477117

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 电工技术

项目作者： 杨庆新

作者单位： 天津工业大学

项目金额： 96万元

中文摘要： 可靠供电是高速铁路安全运行的保障，目前供电方式均为受电弓和接触网导线的直接滑动接触。其不足为存在弓网间的摩擦磨损、振动离线、打弧以及覆冰等恶劣天气造成的断电问题。随着高铁列车不断提速，滑动接触供电的缺点将严重制约其发展。本项目提出采用无线供电技术为高速列车供电，供、受电端依靠电磁耦合传递电能，没有任何直接接触，能有效克服弓网滑动接触供电的以上诸多缺点，具有十分诱人的应用前景。到目前为止，国内外学者围绕中小功率和静止工况的无线电能传输做了许多研究，但尚未有对受电体在高速运动状态下进行大功率无线供电研究成果的报导。本项目针对高铁列车无线供电的基础问题，着重进行以下研究：对供、受电体线圈的结构进行设计优选，并考虑频率、距离和效率因素；建立高速运动无线电能传输系统的多场耦合模型，分析受电体高速切割磁力线时的受力与系统损耗；设计并优化电磁屏蔽结构，保障乘客有安全的电磁环境。该项目成果有里程碑意义。

中文关键词： 高铁列车；无线供电；结构方案；运动特性；电磁屏蔽

英文摘要： Reliable power supply is the prerequisite for safe operation of high-speed rail train. The existing supply mode directly relyed on the sliding interaction between pantograph and overhead transmission lines which has brought power failure due to friction abrasion, vibrating offline, arcing and ice coating under inclement weather. With the speed up of high-speed rail trains, sliding contact of power transmission has seriously hampered the development of high-speed rail. The project proposed a wireless power transmission based power supply for high-speed rail in which power is delivered by electromegnetic coupling between transmission end and receiving end without any direct contact. Wireless power transmission can effectively solve the many shortcomings mentioned above by sliding contact between pantograph and catenery while bringing attractive prospect. Researches both domestic and abroad have carried out study mainly on small capacity, symmetrical and position static models. However, there is no report regarding the achievement in the study of high power wireless power supply under high-speed motion state. The project focuses on the following research based on the basic problems of wireless power supply for high-speed rail which include design optimization considering frequency, distance and efficiency factors for coil architecture at both transmission end and receiving end, multi-physics models establishment of wireless power transmission system under high-speed motion state, analyzing the force and loss characteristics of objects when cutting magnetic field at high speed, design and optimization of electromagnetic shielding structure which will ensure safer electromegnetic environment for passengers. The achievements of the project would be milestones in the application of electromagnetism.

英文关键词： High-speed Rail Train;Wireless Power Supply;Structure Design;Motion Characteristics;Electromagnetic Shielding