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345㎸ 인천화력 송전선로 철탑도괴 원인분석 및 대책 (pp.323-324)
민병욱(Byeong-Wook Min),신태우(Tai-Woo Shin),최진성(Jin-Sung Choi),최한열(Han-Yeol Choi),박재웅(Jae-Ung Park) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
345㎸ Incheon Thermal Power Plant Transmission Line Collapse Analysis and Countermeasures. The Typhoon Galmaegi which had been formed in July 15, 2008 diminished into a tropical cyclone and cooled the air above the West Sea. The cooled air colliding with the warm inland air caused a strong whirlwind at some places in the west seaside; the whirlwind battered the 345㎸ Incheon Thermal Power Plant Transmission Line to be collapsed. The resistance against wind pressure, one of the key elements in transmission line engineering, is designed to endure the pressure corresponding to the maximum instantaneous wind speed. Before the above accident happened, no transmission line has ever been collapsed by a whirlwind. So this paper is aimed to analyze causes that collapsed 345㎸ Incheon Thermal Power Plant transmission line and to introduce countermeasures.
박재웅(Jae-Ung Park),신태우(Tai-Woo Shin),최진성(Jin-Sung Choi),최한열(Han-Yeol Choi),민병욱(Byeong-Wook Min) 대한전기학회 2010 전기학회논문지 Vol.59 No.3
345㎸ Incheon Thermal Power Plant Transmission Line Collapse Analysis and Countermeasures. The Typhoon Galmaegi which had been formed in July 15, 2008 diminished into a tropical cyclone and cooled the air above the West Sea. The cooled air colliding with the warm inland air caused a strong whirlwind at some places in the west seaside; the whirlwind battered the 345㎸ Incheon Thermal Power Plant Transmission Line to be collapsed. The resistance of transmission towers against wind pressure, one of the key elements in transmission line engineering, is designed to endure the pressure corresponding to the maximum instantaneous wind speed. Before the above accident happened, no transmission line has ever been collapsed by a whirlwind. So this paper is aimed to analyze causes that collapsed 345㎸ Incheon Thermal Power Plant transmission line and to introduce countermeasures.
민병욱(Byeong-Wook Min),신태우(Tai-Woo Shin),최인혁(In-hyuk Choi),최한열(Han-Yeol Choi),박재웅(Jae-Ung Park),유근양(Kun-Yang Yu) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Porcelain insulators have generally been used in Korea but polymer insulators which are superior in that they are light weight, explosion proof, impact proof, economical with construction characteristics, have been in use for the 154㎸ transmission line since 1999 following a worldwide trend towards the reduced weight, simplification and compact usage of new material insulators. However there have been approximately 500 cases of forest fires in Korea, so the transmission lines that for the most part pass through mountainous areas have been highly effected and the highly polymerized compound polymer insulator has raised concern about reliability in cases of exposure to forest fires. Therefore for the reliability assessment of the effect of forest fires on polymer insulators, mechanical and electrical characteristics are analyzed by an artificial flare test device and transmission facility surrounding conditions along with forest fire characteristics are surveyed. In addition to this, actual 90 ㎸ energized transmission line was tested with an artificial forest fire and the expanded usage of polymer insulators is presented through the analysis of mechanical and electrical characteristics and physical properties, and a study on the influence of forest fires on polymer insulators.