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Overhead Rigid Conductor and Transition Structure for High-Speed (Over 250 km/h) I : Structural Design
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 Title & Authors
Overhead Rigid Conductor and Transition Structure for High-Speed (Over 250 km/h) I : Structural Design
Kim, Bong-Suk; Won, Yong-Hee; Park, Seol-Hee; Bae, Sang-Joon; Jang, Kwang-Dong;
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 Abstract
With the increasing running speed of trains, new railway lines in metropolitan areas, and the rising demand for green transportations, the number of underground and tunnel sections are constantly becoming larger, and installations of overhead rigid conductor systems are becoming wider. However, domestic commercial products for overhead rigid conductors are limited to 120 km/h train speeds. In this study, to develop a high-speed (250 km/h) overhead rigid conductor, R-Bar (Rigid Bar), the electrical and mechanical stability was enhanced through the improvement of the cross sectional shape of the R-Bar; the transition structure was also designed for flexibility and natural frequency isolation. In addition, the evaluation of contact forces between a pantograph and the overhead rigid conductor system for 250 km/h train speeds was performed using dynamic analysis.
 Keywords
Overhead rigid conductor;Transition structure;Flexibility;Natural frequency isolation;Contact force;
 Language
Korean
 Cited by
 References
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