2011年3月13日 星期日

ExCeL Exhibition Centre chooses LED lighting

ExCeL Exhibition Centre chooses LED lighting

In January 2010 the ExCeL London management team started investigating how they could improve their lighting in order to achieve uniformity throughout the central boulevard of the exhibition and conference centre. At almost half a mile in length this is the main thoroughfare and public space used by all events. The solution that ExCeL chose for this critical space not only improved the light quality, but reduced operating and maintenance costs while also improving energy efficiency. By Christine Gupta,A team of scientists led by John Badding, a professor of chemistry at Penn table lamps State, has developed the very first optical fiber made with a core of zinc selenide -- a light-yellow compound that can be used as a semiconductor. on behalf of Dialight.He said: "Approaching it there fluorescent bulbs looked like there was going to be chaos. But because the car drivers had to think a lot more they seemed to be being more careful.The accidental experiment came just weeks before the county led light bulbs council is set to publish a new report on the future of the square.

Engineering and Energy Manager, Chris Barnes explains how the need for improved lighting came about: "During the Phase Two expansion of ExCeL we used ETFE roofing above the new section of the central boulevard to allow us to harvest a lot of daylight.Second, as Badding and his team expected, they found ds マジコン that the new class of fiber provided more versatility not just in the visible spectrum, but also in the infrared -- electromagnetic radiation with wavelengths longer than those of visible light.Motorist Ian Beesley added: "It was running really well — they should led tube leave the lights switched off." The Phase One section was still lit by 400W high pressure sodium lamps which produce variable colour rendering as they age, so it looked dark by comparison. We specifically wanted to improve the lighting so that visitors could flow through the two areas without noticing a big difference in lighting conditions. Lighting is a key part of the user experience of this building and, as we couldn't cut holes in the roof of the old section to let in daylight, it had to be an internal solution to matching the light quality."


Additionally the ExCeL management team wanted to meet energy efficiency targets as part of their award-winning policy to continuously evolve and implement practices that deliver economic security, social and environmental benefits. A key part of this policy is to put a sustainable business strategy in place for lighting and other essential elements of its direct in-house operations.

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