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Implementation of a network-based online monitoring system for substation power facilities in Urban Rail Transit

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4 Author(s)
Doyoon Kim ; Department of Electrical Engineering, Korea University, Seoul, Korea ; Young Park ; Sang Bin Lee ; Hosung Jung

This paper is focused on implementing an online monitoring system that checks power facility status by applying network based technology to Urban Transit substation power facilities and the results of its on-field tests. This system is composed of a sensor part, a measurement part, a transceiver part, a host computer, and a power source part. The system is designed to collect, save, analyze, and display the online state power facility AI (analog input). This system measures voltage and current from positive feeders and negative feeders where it is possible to check abnormalities of the substation's main power facilities such as transformers, circuit breakers, and rectifiers. By monitoring abnormal data of the Urban transit power facilities real-time and analyzing stored data, establishing procedures of optimized maintenance is possible.

Published in:

INTELEC 2009 - 31st International Telecommunications Energy Conference

Date of Conference:

18-22 Oct. 2009