IEA Annex 45 Meeting in Paris 2004 Energy-efficient efficient Electrical Lighting For Buildings H. Kaase Technical University Berlin
Future Fields of Work for R&D Light and Energy Environment Health IEA TASK 45 Meeting Paris 2004
IEA TASK 45 Meeting Paris 2004 Energy Saving Potential Reduction of the annual electrical energy demand for artificial lighting Reduction of cooling loads 12.00% Beleuchtungsenergie / Elt. Energie 10.00% 8.00% 6.00% 4.00% 2.00% 0.00% 1950 1960 1970 1980 1990 2000 2010 Jahr
IEA TASK 45 Meeting Paris 2004 European Directive for Buildings DIRECTIVE 2002/91/EG DES EUROPÄISCHEN PARLAMENTS UND DES RATES on the Energy Efficiency of Buildings P(t) P max Q = t t Ende P Anfang () t dt Q t 1 t äq t 2 = P max t äq t
IEA TASK 45 Meeting Paris 2004 Impact of Lighting on the Energy Efficiency Q Licht = N [ pn [ A TL,n (teff,tag,n + teff,nacht,n) + AKTL,n (teff,tag,ktl,n + teff,nacht,n) ] + Qpar,n] n= 1 Artificial Lighting Daylight Utilisation Control System Presence Sensor Parasitaric Effekte Zone supplied with Daylight Zone without Daylight Supply
Impacts on the Energy Efficiency Lamp Technology Ballasts Luminaire Technology Materials Daylight Utilisation Control Systems Lampenart Halogenmetalldampflampe Quecksilberdampf- Hochdrucklampe Natriumdampf- Niederdrucklampe Kompaktleuchtstofflampe Leuchtstofflampe Halogenglühlampe (NV) Allgebrauchsglühlampe 14 0 20 40 60 80 100 120 140 160 180 200 Lichtausbeute in lm/w 12 direktes und diffuses Tageslicht reflektiertes Tageslicht Verlustleistung in W 10 8 6 4 (-38 %) (-62 %) 2 0 KVG VVG EVG Vorschaltgerätetyp IEA TASK 45 Meeting Paris 2004
Luminance Distribution of a D2 Lamp (35W) Luminous Flux Luminous Efficacy Start-up performance Colour Rendering Illuminant Distribution of L Lifetime Environmental IEA TASK 45 Meeting Paris 2004
LED: relevant Parameters Luminous Efficacy (white LED up to 30 lm/w, yellow-ish LED up to 100 lm/w) Lifetime (>10 000 h) Shockproof Variation of Correlated Colour Temperature IEA TASK 45 Meeting Paris 2004
High Power LED IEA TASK 45 Meeting Paris 2004
IEA TASK 45 Meeting Paris 2004 Autoadaptive Systems Daylight System Time, Loc. Available Daylight Artificial Lighting Autoadaptive System [Adaptation on the run] Controls Analysis LOG User
IEA TASK 45 Meeting Paris 2004 Light and Environment 5 TWh / a Energy Saving Potential 0,6..0,9 kg CO 2 / kwh CO 2 Coefficient of Emission 4 Mio t / a CO 2 Reduction
Light and Environment Lamp Filling with Mercury: Fluorescent Lamps: ca. 5 mg / Lamp High Pressure Lamps (400W): ca. 30 mg / Lamp Hg-Highest Pressure Lamps: > 100 mg / Lamp Total Hg-Lamp Filling in Germany: 1,5 t / a IEA TASK 45 Meeting Paris 2004
IEA TASK 45 Meeting Paris 2004
Vitamin D3 - Creation Referenz-Sonnenspektrum AM1 / 0,3mm / 0,06 Trübung 0,045 0,040 0,035 Bestrahlungsstärke in Wm -2 nm -1 0,030 0,025 0,020 0,015 0,010 0,005 0,000 290 310 330 350 370 390 Wellenlänge in nm EVitD3, Referenzsonne Eer, Refernzsonne IEA TASK 45 Meeting Paris 2004
Spectral Sensitivity Functions V (λ), V (λ) and Melatonin Suppression IEA TASK 45 Meeting Paris 2004
IEA TASK 45 Meeting Paris 2004 Light and Health Wahre Ortszeit [Uhr] 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 J F M A M J J A S O N D 0 50 100 150 200 250 300 350 Tag des Jahres Gamma-13.fpw Piazena, H.: Cirkadiane Wirksamkeit der Solarstrahlung (2004) Geographische Breite 1: 54,0 o N Nachmittag / 2: 52,7 o N Abend 3: 48,0 o N Morgen / Vormittag Zeitbereich mit Sonnenhöhen über 13 o 3 2 1 2 3
IEA TASK 45 Meeting Paris 2004 German Project EEBfG Energy-efficient Lighting for Buildings Project Co-ordination TU Berlin IEA Annex 45 SUBTASK C Flow of Information Co-ordination Rel. Quantities for Lamps, Luminaires and Ballasts Control Systems Building Management Strategies, Sensors, Algorithms Pilot Projekt Data Acquisition on Control Systems Measurements Photometric, Radiometric and Colourimetric Evaluation ModelTestroom Studies Model for System Evaluation Evaluation of new Control Systems and Strategies
IEA TASK 45 Meeting Paris 2004 Proposed Structure for Subtask C C1 - Definitions C2 Control System Overview C4 New Technologies for Controls C3 Data Acquisition on Controls C5 Case Studies C6 Information Transfer C7 Source Book
IEA Annex 45 Meeting in Paris 2004 Energy-efficient efficient Electrical Lighting For Buildings H. Kaase Technical University Berlin