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A Study on Automatic Switching System for Fault Locator
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 Title & Authors
A Study on Automatic Switching System for Fault Locator
Park, Yong-Bum; Lho, Young-Hwan;
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 Abstract
A directional feeding method at the railway transformer is applied for supplying the power to the electric railway substations, and the pre-installed facilities with common feeder are utilized in preparation for the failure of feeding system and in finding a fault location in case that the catenary failure occurs. However, it is some difficulty in finding the fault location since there is an interface problem with the facilities when the supplying power system operates. In this paper, Auto Fault Locator Transfer Drive System (ALTDS) is designed to search for the fault location efficiently, and the measuring data are obtained and compared with the KORAIL standards. Further, the ground connection test is accomplished 24 times as the verification method, and it is shown that the methodology provides better performance than the existing traditional one.
 Keywords
ALTDS;Automatic Switching System;Common Feeder;Fault Locator;Ground Connection Test;
 Language
Korean
 Cited by
 References
1.
SEJONG Electric Co., Ltd. "Maintenance Mannual of Fault Locator", pp. 7-10, 2002.

2.
Y. S. Kim, H. C. Yoo, "Electric Railway Engineering", Dong-Il Publisher, pp. 104-106, 2010.

3.
P&C Tech, "Tech seminar of Fault Locator For AT Feeding System", pp. 10-12, 2005.

4.
Hokmahtech, "A Protective Relay System for Electric Railway Power Supply and a Relay Switching Method Using the Same", pp. 2-5, 2011.

5.
KORAIL, "Start-up Test Report for Automatic Switching System", Attach 4, 2014.