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Ramon San Martin
The Energetic Efficiency of the Lighting System As an Operation Parameter, KLH Method Dr., Engineering Design Department Universitat Politecnica de Catalunya Abstract The policy of Energetic Saving in Lighting has traditionally aimed to improve the energetic efficiency of installations in order to reduce either consumption or the energetic cost per unit of service time. However, reality is more complex. On the one hand, we cannot speak about energetic efficiency without referring to a service quality level; the reductions in consumption or cost can only by admitted provided they ensure that the resulting illumination is going to appropriate both quantitatively. Secondly, the service level of a lighting system is not a static factor: it evolves as time goes on, and its development is conditioned by the maintenance and operation policies to be adopted. Apart from analysing the above-mentioned considerations theoretically, this study explains the development of a computerized program (KLH Method) which is focused on the management of lighting so that the relationship service level / invested resources is optimized. The energetic efficiency is then no longer a starting point, only useful at initial steps; rather, it becomes an operational parameter that affects the lighting system all throughout its operational life.
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