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Journal of Korean Institute of Fire Science and Engineering 2007;21(3):97-103.
Published online September 30, 2007.
오염된 절연재료의 트래킹 특성에 관한 연구
옥경재, 이춘하
1호서대학교 소방방재학과2호서대학교 소방방재학과
A Study on the Tracking Characteristics of Contaminated Insulating Materials
Ok Kyung-Jae, Lee Chun-Ha
요약
본 실험은 오염된 절연재료의 트래킹 특성을 연구하였다. 오염된 절연재료의 트래킹에 의한 절연파괴 특성 분석은 IEC 60112를 통하여 수행하였다. 연구결과, 오염된 절연재료의 트래킹 특성은 다음과 같다. (a) 오염된 절연재료의 경우 정상시료 보다 비교트래킹지수(comparative tracking index, CTI)가 낮게 나타났다. (b) 오염된 절연재료의 최초 탄화흔 발생시간 및 탄화도전로 형성 시간이 정상시료 보다 빠르게 나타났다.
Abstract
This experimental study showed the tracking characteristics of contaminated insulating materials. To analysis tracking characteristics, IEC 60112 was used. As the results of this study, the tracking characteristics of contaminated insulating materials showed as followings: (a) Comparative tracking index (CTI) of contaminated insulating material was lower than non-contaminated one. (b) First carbonized growth time and track growth time of contaminated insulating materials was faster than non-contaminated.
Key Words: CTI(Comparative tracking index), Tracking, Insulating materials, Track


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