IEA Annex 45 Meeting in Paris 2004

Transkript

1 IEA Annex 45 Meeting in Paris 2004 Energy-efficient efficient Electrical Lighting For Buildings H. Kaase Technical University Berlin

2 Future Fields of Work for R&D Light and Energy Environment Health IEA TASK 45 Meeting Paris 2004

3 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% Jahr

4 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

5 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

6 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 Lichtausbeute in lm/w 12 direktes und diffuses Tageslicht reflektiertes Tageslicht Verlustleistung in W (-38 %) (-62 %) 2 0 KVG VVG EVG Vorschaltgerätetyp IEA TASK 45 Meeting Paris 2004

7 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

8 LED: relevant Parameters Luminous Efficacy (white LED up to 30 lm/w, yellow-ish LED up to 100 lm/w) Lifetime (> h) Shockproof Variation of Correlated Colour Temperature IEA TASK 45 Meeting Paris 2004

9 High Power LED IEA TASK 45 Meeting Paris 2004

10 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

11 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

12 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

13 IEA TASK 45 Meeting Paris 2004

14 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, Wellenlänge in nm EVitD3, Referenzsonne Eer, Refernzsonne IEA TASK 45 Meeting Paris 2004

15 Spectral Sensitivity Functions V (λ), V (λ) and Melatonin Suppression IEA TASK 45 Meeting Paris 2004

16 IEA TASK 45 Meeting Paris 2004 Light and Health Wahre Ortszeit [Uhr] J F M A M J J A S O N D 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

17 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

18 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

19 IEA Annex 45 Meeting in Paris 2004 Energy-efficient efficient Electrical Lighting For Buildings H. Kaase Technical University Berlin