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http://dx.doi.org/10.5370/KIEE.2014.63.12.1759

Frame Design Considering Exciting Frequency and Driving Characteristic of a Traction Motor for Electric Locomotive  

Kim, Chul-Su (Dept. of railway vehicle System Engineering, Korea National University of Transportation)
Kim, Jae-Moon (Dept. of Transportation System Engineering, Graduate School of Transportation, Korea National University of Transportation)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.12, 2014 , pp. 1759-1763 More about this Journal
Abstract
In this paper, we were performed a structural analysis and durability analysis for an integral frame with an axle according to development of the electric locomotive traction motor. In terms of the structural stability, as a result of the analysis modeling with coupling conditions of beam element and an alternative element of three-dimensional, the maximum von-Mises stress of the locking screw mounting frame were similar as 50MPa and 51MPa. Also A comparison of the natural frequency and the exciting frequency while driving of the electric locomotive No. 8200, the natural frequency is 627.05Hz~856.9Hz while the exciting frequency is not more than most 30Hz or 553Hz, 1110Hz. Therefore, it is possible to avoid the resonance.
Keywords
Traction motor; Constant torque; Structural analysis; Durability analysis; Frame;
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