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A method of getting the more accurate equivalent core length through 3-D electromagnetic finite element method (FEM) (3-D FEM) is presented in this paper. It is a matter of course that 2-D FEM is mostly used to evaluate the rotating machine performance instead of 3-D FEM. It takes 106 times longer to complete 3-D FEM than to complete 2-D FEM according to the simulation data in this paper. The motor...
This paper presents the analysis results on the equivalent core length of MW salient pole synchronous motor with the air-ducts in the radial direction. The use of radial cooling channels has an effect on the electromagnetic performance of its motor. The main effect is that the actual core length must be replaced with the effective core length from the point of view of two dimensional electromagnetic...
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