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Development of a Tensioning Device for the 400km/h High-speed Overhead Contact Line
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 Title & Authors
Development of a Tensioning Device for the 400km/h High-speed Overhead Contact Line
Cho, Yong Hyeon; Lee, Kiwon; Kwon, Sam Young; Cho, Ho Rung;
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 Abstract
The pulley-type tensioning device subjected to a maximum tension of 34 kN has been developed for 400 km/h high-speed railway. The tensioning device is to maintain the tension variation within 3% of the normal value, irregardless of temperature changes. Field tests shows that the tensioning device had a variation of tension which was as small as 0.6% as temperatures changed from . Along with the tensions, we measured its X and Y movements due to the temperature changes. Based on a combination of its X and Y movements, we proposed a new performance index with which we can see if the tensioning device has troubles in operation without tension measurements.
 Keywords
Tensioning device;Overhead contact line;Tension;Contact wire;
 Language
Korean
 Cited by
 References
1.
EN 50119:2009 Railway applications-Fixed installations-Electric traction overhead contact lines, BSI, 2009.

2.
Kiwon Lee, Yong Hyeon Cho, Young Park, "Development of a Pulley-Type Tensioning Device", Korea Socienty of Railway, Vol. 12, No. 5, pp. 663-669, 2009.

3.
Yong Hyeon Cho, et al. Final Project Report on Development of Overhead Contact Line System for Speed Enhancement, Korea Railroad Research Institute, 2015.

4.
Yong Hyeon Cho, Yong Park, Hyun Jin Jung, "Implementation Technique of Real-time Monitoring System for High-speed Rail Contact Wire with High Tension", The Transactions of the Korean Institute of Electrical Engineers, Vol. 64, No. 8, pp. 1256-1261, 2015. crossref(new window)

5.
Korea TGV consortium, Technical Checking Catenary Tension Regulators, 2000.

6.
Kiwon Lee, Young Park, Sam-Young Kwon, Yong Hyeon Cho, Heonsoo Jeong, "Development of a steady arm for the maximum speed of 400 km/h", Korean Institute of Electrical Engineers, Vol.63, No. 12, pp. 1337-1341, 2014. crossref(new window)