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GIL(Gas Insulated Line)에 관한 신기술 동향 및 특징
정시환(Jung Si-Hwan),김철수(Kim Chel-Soo),강철원(Kang Cheul-Won),김완식(Kim Wan-Sik) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.11
As the same concept with GIB, GIL(Gas Insulated Line) has been established and run for the first time in New Jersey, America, in 1972. At the beginning, the installation condition of GIL was complicated and the construction cost was excessive, so it was not economical, but the construction cost was substantially reduced with the use of insulation material which is the mixture of SF. and N₂ Gas in Germany, in 1990s. And also comparing to cable, GIL has lots of advantages, such as being capable of the high voltage transmission, being applied to reclosing and lowering the strength of electromagnetic force, Due to these advantages, GIL is recently accepted in many countries.
정시환(Jung Si-Hwan),강철원(Kang Cheul-Won),김완식(Kim Wan-Sik) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.11
Recently, major power outages are increased, because of transmission line fault by birds. Therefore, after finding out the problem of the current prevention measure for the super high voltage transmission Line in Korea and analyzing the protection measure of other foreign power companies for the transmission facilities fault by birds, this paper describes an effective device for power line fault protection by birds which has no legal problem and also protects birds. The described prevention measure of power outage by birds in this paper, has a special feature that is able to be installed on the current overhead transmission facilities without a replacement or change.
정시환(Si-Hwan Jung),임헌의(Heon-Eui Lim),최경규(kyung-Kyu Choi),김규태(Kyu-Tae Kim),김학준(Hak-Jun Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.11
Many high voltage cable is installed in city for power supply, until now, when establishing the power cable, horizontal snake is installed to absorb cable's expansion and constraction. This paper reviews the first horizontal snake in my country as a new snake installation method, and various test for an introduction and problem while working, and soution