All-LED lighting concept for Cologne bridge
It was the first time in Germany that such a combination of decorative and functional lighting has been implemented exclusively with LEDs. For the development and implementation of the system, Cologne’s utility company Rheinenergie AG and Philips staged a joined effort. The reliable, standards-based and even illumination of the roadways is achieved by the street lighting luminaire Iridium2 LED. Its horizontal adjustability enables a class G6 glare control. Due to its modular concept, the LEDengine module is exchangeable and can be replaced by future, more efficient versions in a very simple manner. This enables the user to benefit from future developments in terms of energy efficiency.
The architectural lighting with high-wattage LED headlights accentuates the stylish design of the Muelheim suspension bridge. The targeted illumination of the pylons, the system developers utilized the Philips eW Reach Powercore. These powerful headlamps are designed in particular for dynamic accent and area lighting. For the accent illumination of the bearer cable assembly the designers provided the eW Burst PowerCore high-performance spotlights. To highlight the cables, the spotlights are equipped with specific stray discs which modify the illumination angle in a way that a light streak is achieved instead of the classical point light.
As an investment into the future, the LED lighting system installed has been prepared for a potential future light management system. This web-based system enables intelligent control and administration and provides the light when and where it is needed.
The Muelheim Bridge in Cologne is the first such an installation in the Germany, Austria and Switzerland region that is completely based on LED elements. This enables the City of Cologne not only to reduce its energy bill by 16.800 kWh per year, but it also helps to reach the City’s climate protection goals. The CO2 emission will be reduced by about 10.5 tonnes per year. In addition, the new solution improves the visual conditions and thus the safety for pedestrians and motorists.
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