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http://dx.doi.org/10.5370/KIEE.2015.64.9.1385

Analysis of Multiple Factor of the Eddy Current Brake for Railway Application  

Lee, Chang-Mu (Korea Railroad Research Institute)
Park, Hyun-Jun (Korea Railroad Research Institute)
Cho, Sooyoung (Dept. of Electrical Engineering, Hanyang Univerity)
Lee, Ju (Dept. of Electrical Engineering, Hanyang Univerity)
Lee, Hyung-Woo (Dept. of Railway Vehicle System Engineering, Korea National University of Transportation)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.9, 2015 , pp. 1385-1390 More about this Journal
Abstract
This paper is analysis of multiple factor that should be considered in the design of an eddy current brake used as auxiliary brake system. The eddy current brake is a brake that generates a braking torque in a rotational direction opposite to the direction of the rotor by using a time-varying magnetic flux. The eddy current brake has the advantage of being able to take high current densities because this is used for a short period of time. Also, the eddy current brake is influenced by multiple factor such as number of slots, teeth width, coating thickness, air-gap length and so on. Therefore the eddy current brake was designed for use in railway application in consideration of the operation region and critical parameters.
Keywords
Eddy current brake; Auxiliary brake; Braking torque;
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