HTS磁浮系统中直线驱动电机的电流瞬时值法推力分析

低温物理学报 , 2015, 37(1): 46-53.

HTS磁浮系统中直线驱动电机的电流瞬时值法推力分析

马家庆 ^1, , 周大进 ^2, , 赵立峰 ^3, , 梁纲 ^4, , 张勇 ^5, , 赵勇 ^6,

1.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031

2.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031

3.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031

4.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031

5.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031

6.西南交通大学超导与新能源研究开发中心,磁浮技术与磁浮列车教育部重点实验室成都610031;西南威尔士大学材料科学与工程学院澳大利亚悉尼2052

基金项目: 国家磁约束核聚变能研究专项(批准号:2011GB112001,2013GB110001),国际合作项目(批准号:2013DFA51050),国家自然科学基金(批准号:51271155,51377138),中央高校基本科研业务费(批准号:SWJTU11ZT31,2682013CX004),四川省科技计划(批准号:2011JY0031,2011JY0130)资助的课题.Project supported by the National Magnetic Confinement Fusion Science Program (grant Nos.2011GB112001,2013GB110001),the Program of International S&T Cooperation(Grant No.2013DFA51050),the National Natural Science Foundation of China(Grant Nos.51271155,51377138),the Fundamental Research Funds for the Central Universities (Grant Nos.SWJTU11ZT31,2682013CX004) and the Science Foundation of Sichuan Province (Grant Nos.2011JY0031,2011JY0130).

关键词：高温超导 , 直线电机 , 电流瞬时值 , 离散分布 , 次级导板

THE ANALYSIS OF THE THRUST ON THE LINEAR DRIVER WITH INSTANTANEOUS CURRENT VALUE IN HTS MAGLEV SYSTEM

Keywords： HTS , linear motor , instantaneous current value , discrete , secondary conductive sheet

从初级绕组中空间上离散的行波电流理论出发,用瞬时电流值方法讨论HTS磁浮系统中长初级直线感应电动机初、次级之间不同相对位置下的三种运行状态时的推力情况.三种状态为次级导板相对于初级产生的磁场区域空间的进入、保持、离开.其中进入、离开两种状态产生了直线电机的纵向端部效应,对推力的分布有很大影响.分析结果展示了具体影响情况.最后实验结果验证了推导结果,表明推导的合理性,对直线感应电机的设计有参考作用.

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