1Morishita M,Azukizawa T. A new maglev system for magnetically levitated carrier system[J]. IEEE Trans on Vehicular Technology, 1989,38 (4) : 230-236.
2Zhenguo Xu, Nengqiang Jin,Liming Shi ,et al. Maglev system with hybrid-excited magnets and an air-gap length control[C]. China:Maglev' 2004 proceedings,2004.1019-1023.
8Chang-Chou Hwang, Wu S S, Jiang Y H. Novel approach to the solution of temperature distribution in the stator of an induction motor [J]. IEEE Transactions on Energy Conversion, 2000, 15(4): 401-406.
9Rajagopal M S, Aswatha Narayana P A, Quadir G A, et al. Numerical and experimental heat transfer studies on totally enclosed fan ventilated machines [J]. Electric Power Components and Systems, 2002, 30(8): 791-806.