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김우겸(Woo-Hyum Kim),민병욱(Byeong-wook Min),김태영(Tai-Young Kim),송병천(Pyoung-Cheon Song),고천석(Chun-seag Ko),이천희(Chun-Hee Lee) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
For the sake of the safety of aircraft , aviation obstacle lights should be installed on the towers of transmission line in accordance with the Aviation Act. At present, the used solar-cell aviation obstacle lights are composed of LED lamp and a regulator, batteries, solar-cells which are divided into four parts. And, the divided four parts are connected by cable. Also, aviation obstacle lights are consisted of 150 LED lamps. therefore, the scale of sollar-cells, batteries and the power consumption of aviation obstacle light is big. For that reason, this paper would introduce the development of the solar-cell type single body LED aviation obstacle using the high brightness LED in order to make aviation obstacle more lightened and small-sized.
민병욱(Byeong-Wook Min),김태영(Tai-Young Kim),송병천(Pyoung-Cheon Song),이광현(Kwang-Hyeon Lee),최한열(Han-Yeol Choi) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
The optimal design of basic span is one of the most critical factors to the construction cost of transmission lines. The shorter the basic span, the lighter the tower load, but more towers are needed. On the other hand, the longer the basic span, the less the number of towers, but the load of tower increases, which causes tower material cost to rise. This paper introduces the optimization of basic span of transmission lines to minimize construction cost.