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Implementation of the Measurement Equipment to Measure Return Current and Axle Temperature of High Speed Railway
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 Title & Authors
Implementation of the Measurement Equipment to Measure Return Current and Axle Temperature of High Speed Railway
Lee, Young-Soo; Lee, Byeong-Gon; Hwang, In-Kwang; Han, Seung-Hun;
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 Abstract
The maintenance method for the electrical facility of high speed railway has been evolved from inspection by personnel to the automated way by the detection devices. In particular, the signalling equipment in order to increase the safe and efficient operation of the trains is required to maintain normal operation by periodic maintenance. Because the return current gives the most important effects to the wayside equipment in case of the failures, a method is needed to measure the unbalanced rate of return current on the train at high speed driving. The Hot Box Detector(HBD) device that is installed at track-side has a function to recognize the abnormal axle box by detecting the temperature that occurs in the axle of train passing over its device. In order to implement the measurement equipment for unbalanced rate of return current and axle temperature, the design method is proposed and the experimental test results by test bed are included in the paper.
 Keywords
Return current;Axle box;Measurement equipment;High speed railway;
 Language
Korean
 Cited by
 References
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