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http://dx.doi.org/10.9711/KTAJ.2021.23.4.211

Analysis of power usage and illuminance changes due to the replacement of tunnel lighting source from high pressure sodium lamp to LED  

Lee, Gyu-Phil (Dept. of Infrastructure Safety Research, KICT)
Kim, Jeong-Heum (Dept. of Infrastructure Safety Research, KICT)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.23, no.4, 2021 , pp. 211-220 More about this Journal
Abstract
Low-pressure sodium lamps, high-pressure sodium lamps, and fluorescent lamps are mainly used for tunnel lighting in Rep. of Korea, which accounts for the highest percentage in the tunnel maintenance costs. Therefore, tunnel lights are being replaced by LED lamp that have advantages with respect to low power consumption and sustainability. To analyze the effect of replacement high pressure sodium lamp with LED lamp, illumination and monthly power usage per year have been investigated for 10 tunnels. The usage of LED lamp results in illumination improvement from 27.9% to 490% and power saving around average 47.1%.
Keywords
Tunnel lighting; Power usage; Illumination; Light emitting diode (LED); High pressure sodium lamp;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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