Analysis on and Comparison and Contrast between Highpressure Sodium Lamps and LED Lights

doi:10.3973/j.issn.1672-741X.2012.z2.004

Tunnel Construction ›› 2012, Vol. 32 ›› Issue (增刊2): 18-23.DOI: 10.3973/j.issn.1672-741X.2012.z2.004

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Analysis on and Comparison and Contrast between Highpressure Sodium Lamps and LED Lights

ZHANG Lizhi

(The 4th Engineering Co.，Ltd. of China Railway Tunnel Group, Nanning 530003, China)

Received:2012-08-16 Revised:2012-09-10 Online:2012-12-20 Published:2013-02-19

Abstract

Abstract:

The lights used in tunnel are studied. Comparison and contrast is made on lighting efficiency, energy cost, using life and cost of highpressure sodium lamps and LED lights. Conclusions drawn are as follows: 1) LED light has advantages such as high lighting efficiency, low energy cost and long using life. 2) LED light is superior than highpressure sodium lamp in term of running cost, though the cost of LED light is higher than that of highpressure sodium lamp. 3) Energysaving, lowcarbon and environmentfriendly effect can be reached by using LED lights.

Key words: tunnel lighting, highpressure sodium lamp, LED light, energysaving, analysis, comparison

ZHANG Lizhi. Analysis on and Comparison and Contrast between Highpressure Sodium Lamps and LED Lights[J]. Tunnel Construction, 2012, 32(增刊2): 18-23.

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Analysis on and Comparison and Contrast between Highpressure Sodium Lamps and LED Lights

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