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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국철도학회 한국철도학회 학술발표대회논문집 한국철도학회 2006년도 춘계학술대회논문집
발행연도
2006.5
수록면
47 - 54 (8page)

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초록· 키워드

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As economical and social environments change and infrastructures of metropolitan railroads in densely populated cities increase rapidly these days, systems need to become more complicated, diversified and capable of processing larger amounts of data and the quality of service should be upgraded. Conventional operating equipments cannot meet the requirements nowadays. Accident detecting should be done by more diversified methods and more quickly. Supervisory control needs to be intensified by checking more variables. Repair and check should be reasonably carried out. Automation and high-reliability of protective systems are also required.
At the moment, technical research and developments of the protective relay for direct current feeding system are not being done actively because of special properties of its load and limited demand. Analogue protection & measurement relays which were introduced in initial stages cannot satisfy new requirements and need to be upgraded in the near future. The purpose of this research is to increase the stability and reliability of the protective relay for direct current feeding system by analyzing the causes and signs of malfunctions of dilapidated conventional analogue-based protection & measurement relay through conducting empirical field tests.

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ABSTRACT
1. 서론
2. 본론
3. 분석 및 고찰
4. 결론
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