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    Newsletter

    Munich Airport Switches to LEDs by Cree and Ewo

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     LEDs have struggled to compete with traditional high-mast lighting fixtures mounted over 30 metres high in the past. Ewo however has installed their F32 floodlights in an application near the perimeter at the Munich Airport after trialling SSL technology at the airport more than two years ago.


    The high pressure sodium bulbs that originally lit up the area had extremely poor colour rendering properties which is common for most sodium bulbs currently illuminating the streets of Australia as well. The low CRI was not only an issue for outdoor applications but the poor visibility still leaves a safety issue especially for places like airports. As such the LEDs they switched to not only diminished the energy costs significantly but also provided a much better quality of light and colour temperature.


    "Assuring the safety of our passengers, planes and their crew, airport staff, and any other visitor is a priority at Munich Airport," said G√ľnther Sellmeier, planning and project manager for exterior lighting and engineering and facilities at FMG. 


    The company (Ewo) commented that the Cree XT-E LEDs used in the fixtures have a minimum 70 CRI but also offered in higher CRI but did not specify the exact CRI installed. HPS bulbs typically have a CRI of less than 30, so this boost in colour rendering index allow operators to see equipment, workers and other obstacles a lot easier.


    Projections of a minimum 50% energy savings with the new LED high-mast lights were announced equating to an annual reduction of over 122 mWh of electricity and over 70 tons of carbon emission abatement.


    The project shows how fast LED technology is evolving and also how long it takes for these large projects to come to fruition. LEDs Magazine first reported on the story back in Q1 of 2012 where Ewo tested LED lights on two of the high-mast poles, delivering 46% energy savings, now the final installation has happened using newer CREE LEDs, the delivered performance is much better.


    Slowly LEDs are catching up on all traditional forms of lighting and as time goes on we expect to see 50% brighter LEDs within 5 years, and being able to replace small form factor lamps even easier.


    Source: LEDs Magazine - Maury Wright