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Henk Gerber
Better and Improved Energy Efficiency in Office Lighting Trilux B.V., The Netherlands Hans-Joachim Richter Trilux-Lenze GmbH + Co KG, Germany Summary The environment for planning lighting installations in office and administration areas has changed: in addition to functionality and economy in lighting, humanisation and individuality of the workstation have become further requirements. Instead of open-plan offices, single or team offices are favoured more and more. The total flexibility of open-plan offices has been replaced by defined office sizes. Modern communications systems in the office also make new demands on lighting. The communications-based office with VDT workstations is increasingly replacing the former office used for simple "paper tasks". The desire to improve lighten conditions is taken for granted by nearly everyone. To realise this in combination with energy efficiency. however, requires new systems combining the highest photometric and electrotechnical standards, with state-of-the-art product design. Such lighting systems are replacing older installations more and more, in order to improve on the one hand the acceptance, by human beings. of the workstation in and administrative environment, and on the other to reduce energy costs. The common development of ergonomists and lighting technicians lead to a new lighting concept for the modern team office with its new functionality and working culture. It combines functionality concerning optimized visual conditions and flexibility with regard to changes in workstation arrangements with human requirements for individual influence. Due to its visual characteristics, the integrated electronic operating devices for the light sources and the multitude of system components, additionally to the visual and ergonomic improvements, a lower consumption of electric power is necessary than for existing common lighting systems.
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