A critical analysis of the methodology for calculation of the lighting energy numerical indicator (LENI)

D. Gasparovsky*, E. Erkin, S. Onaygil, A. Smola

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1 Atıf (Scopus)

Özet

Energy certification and labelling of buildings according to the Commission's Energy Performance of Buildings Directive concerns four main energy consuming systems with lighting as one of them. Previously there was neither practice nor experience with certification of lightings systems. First practical experience brought a series of questions and problems to be solved on methodological level. Main goal of the paper is to treatise on identified problems with evidence shown on practical case studies. Imperfections in the light of stressed necessity to run the certification process evolved a big amount of research works performed in order to improve the methodology and to investigate energy saving potential in buildings with new approaches. For each individual problem a solution is developed, which is now already implemented to the legislation on national level and put in practice. It is expected that these solutions may help to improve the current methodology by revision of the standard and this way to become a broader acceptance. Practical experience will help to support this effort. Solutions are introduced in this paper. In final part of the paper, a software tool developed for calculation of LENI is presented. Important feature of the software named EHB LiteCalc is that all steps of calculation can be separately inspected, also giving the user possibility to enter the calculation process by inputting manually forced values. This special option can serve for experimental purposes.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıLight in Engineering, Architecture and the Environment
Sayfalar173-184
Sayfa sayısı12
DOI'lar
Yayın durumuYayınlandı - 2011
Etkinlik1st International Conference on Lighting in Engineering, Architecture and the Environment, LIGHT 2011 - Poznan, Poland
Süre: 17 May 201119 May 2011

Yayın serisi

AdıWIT Transactions on the Built Environment
Hacim121
ISSN (Basılı)1743-3509

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???event.eventtypes.event.conference???1st International Conference on Lighting in Engineering, Architecture and the Environment, LIGHT 2011
Ülke/BölgePoland
ŞehirPoznan
Periyot17/05/1119/05/11

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