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直接采用二维多截面时步法有限元的斜槽异步电机模型
引用本文:傅为农,江建中.直接采用二维多截面时步法有限元的斜槽异步电机模型[J].上海大学学报(英文版),2000,4(2):133-139.
作者姓名:傅为农  江建中
作者单位:2*2。23,ZX,PY-W] Received May. 11,1999; Revised Dec.8,1999
摘    要:1  Introduction Thetraditionalmethodtostudytheperformancesofinductionmotorsisbasedontheconceptofequivalentcircuit.Theparametersintheequivalentcircuitareusuallyobtainedbymagneticcircuitcomputation .Inre centyearsithasbecomepracticaltousefiniteelementmeth…

收稿时间:11 May 1999

Direct modeling of induction motors with skewed rotor slots using 2-D multi-slice model and time stepping FEM
Wei-nong Fu,Jian-zhong Jiang.Direct modeling of induction motors with skewed rotor slots using 2-D multi-slice model and time stepping FEM[J].Journal of Shanghai University(English Edition),2000,4(2):133-139.
Authors:Wei-nong Fu  Jian-zhong Jiang
Institution:School of Electromechanical Engineering and Automation, Shanghai University, Shanghai 200072, China
Abstract:The geometrical feature of the skewed rotor slots in induction motors makes the 2 dimensional (2 D) finite element method (FEM) not directly applicable. Based on the multi slice model in this paper, a time stepping 2 D eddy current FEM is described to study the steady state operation and the starting process of induction machines with skewed rotor slots. The fields of the multi slices are solved in parallel, and thus the effects of skewed slots and eddy current can be taken into account directly. The basic formulas for the multi slice model are derived. Special technique to reduce computation time in solving the coupled system equations is also described. The results obtained by using the program developed have very good correlation with the test data.
Keywords:induction motors  finite element method
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