Proceedings of the KSR Conference (한국철도학회:학술대회논문집)

The Korean Society for Railway (한국철도학회)
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A Study on the Application of LED Light Source in Subway Train

도시철도차량에 LED 광원의 적용에 관한 연구

  • 최성국 (한국해양대학교 전기전자공학부) ;
  • 박대원 (한국해양대학교 전기전자공학부) ;
  • 길경석 (한국해양대학교 전기전자공학부) ;
  • 박희철 (부산교통공사 운영본부 차량팀) ;
  • 조은제 (부산교통공사 호포차량사업소 검수팀)
  • Published : 2009.05.21
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Abstract

This paper describes the proceeding experimental results to replace the 32 [W] fluorescent lamp installed in subway train to a LED module. We fabricated 25 [W] LED modules to meet the illuminance 300 [lx] specified in the standard for subway train. After the installation of LED modules, comparative analysis with conventional fluorescent lamps was carried out. From the experimental results, illuminances on the height of 0.85 [m] and 1 [m] above floor were 323 [lx] and 360 [lx], respectively. These illuminances satisfied the requirement 300 [lx]. By the application of 25 [W] LED module as a light source in subway train, energy saving about 22 [%] compared with 32 [W] fluorescent is acquired. Also, low cost of maintenance is expected due to 8 times longer lifetime 50,000 hours of LED than that 6,000 hours of fluorescent lamp.

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