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Eddy Current Loss Calculation by Rapid Process in Solid and Laminated Cores of Transverse Flux Linear Motor

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5 Author(s)
Ji-Young Lee ; Transverse Flux Machine Res. Group, Korea Electrotechnol. Res. Inst., Changwon ; Jung-Hwan Chang ; Do-Hyun Kang ; Sung-Il Kim
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Transverse flux linear motor (TFLM) is getting to be widely used in low speed and high power systems. For easy fabrication, solid core is more useful than laminated core. However, eddy current losses are increased in solid core, and it makes efficiency decreased. Some experiment results show the fact. Therefore, estimation of eddy current losses is important to select core type. This paper describes a rapid practical technique to analyze the eddy current losses in solid and laminated cores of a TFLM. The calculation is carried out with the aid of 3D equivalent magnetic circuit network method and 2D finite element analysis method. The calculated results and the limits of the proposed methods are discussed

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Electromagnetic Field Computation, 2006 12th Biennial IEEE Conference on

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