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  • 谢蓬阳,顾霄航,王潇飞,董博文,刘康.空芯大气隙高温超导直线电机电磁力实验研究[J].低温物理学报,2019,(4):284-289.    [点击复制]
  • XIE Pengyang,GU Xiaohang,WANG Xiaofei,DONG Bowen,LIU Kang.Experimental Study on Electromagnetic Force of Air-cored High Temperature Superconducting Linear Motor with Large Air Gaps[J].LOW TEMPERATURE PHYSICAL LETTERS,2019,(4):284-289.   [点击复制]
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空芯大气隙高温超导直线电机电磁力实验研究
谢蓬阳1,2, 顾霄航3, 王潇飞2, 董博文4, 刘康1
0
(1.牵引动力国家重点实验室(西南交通大学), 四川成都 610031;2.西南交通大学力学与工程学院, 四川成都 610031;3.西南交通大学电气工程学院,四川成都 610031;4.西南交通大学电气工程学院, 四川成都 610031)
摘要:
直线电机是一种无需中间传动装置而直接将电磁力转换为线性运动的特种电机,在交通运输领域具有广泛的应用前景.将高温超导技术与电机理论相结合,能够有效利用超导材料的强载流能力与高场特性提高直线电机的输出能力.本文提出了一种应用于超导磁悬浮列车牵引的空芯高温超导直线电机,首先建立空芯高温超导直线电机的二维有限元模型对电机结构参数进行初步探索,并完成了超导直线电机样机的设计与制作.通过搭建实验测试平台完成了空芯高温超导直线电机定子磁场和电磁力的实验测试.有限元计算结果与实验数据有较好的一致性,验证了模型的有效性,并利用该模型研究了定子电流,超导线圈电流以及电机气隙对电机推进力输出的影响.本文的相关成果将促进超高速磁浮交通领域关键驱动技术的研究与发展.
关键词:  直线电机  高温超导  电磁力  空芯  轨道交通
DOI:
基金项目:
Experimental Study on Electromagnetic Force of Air-cored High Temperature Superconducting Linear Motor with Large Air Gaps
Abstract:
Linear motor could convert the electro magnetic force directly into linear movement without any transmission devices that it has wide application in the field of transportation. The nice current-carrying capacity and ideal characteristic in high field of the material would improve the output capability of the linear motor through combining the high temperature super conducting technology with motor theory. A kind of air-cored HTS linear synchronous motor, which is potentially used in HTS maglev system was put forward in this paper. A two-dimensional finite element model of the linear motor was established when designing the structure parameters of it, aprototype was manufactured.The magneticfield and electromagneticforce was measured through the experimental test platform constructed in this work. Finite element calculation result has good agreement with the and the super conducting coil on the output of motor was investigated by simulation.The results of this article will promote the research and development of key driving technologies in the field of ultra-high-speed maglev transportation. experimental data that verified the validity of the model.The influence of the air gap and the current in the stator and the super conducting coil on the output of motor was investigated by simulation. The results of this article will promote the research and development of key driving technologies in the field of ultra-high-speed maglev transportation.
Key words:  Linear motor, HTS  electro magnetic force, air-cored, rail transportation

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