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전기철도 속도향상에 따른 전차선로 가선 시스템 최적화에 관한 연구
정인철(In-Chul Jung),락교(Rag-Gyo Jeong),최규형(Kyu-Hyoung Choi) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The optimization of the overhead contact lines according to the increased train speed is to design the low-sag-wire so that the pantograph can follow the vertical fluctuation of the catenary. Main factors for the overhead contact lines design include the span dropper interval movable bracket vertical fluctuation of the catenary tension and wave propagation speed. In this paper a model is proposed to improve the electric railway speed and the speed improvement analysis technology is examined to ensure the stable and reliable electric railway. In addition the effect between pantograph and catenary according to the speed improvement is quantitatively analyzed by using simulation.