led street lighting in osnabrück andreas hänel planetarium, museum am schölerberg, osnabrück...
TRANSCRIPT
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LED Street Lightingin Osnabrück
Andreas Hänel Planetarium, Museum am Schölerberg, Osnabrück
Marcel Haselof, Stadtwerke Osnabrück
Osnabrück October 2011
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LED lighting • rapid increase of efficiency of white light LEDs
• long lifetime
• compactness
• dimmable/switchable
• sturdy
• more light at lower temp.
• low light pollution?
• still lower efficiency (NAV)
• expensive
• thermal management
• colour renditionTRIDONIC.ATCO
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LEDs are getting more efficient, but warm < cool
DOE
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4
Light colour, Man and Vision
Protected spectral range for visual astronomy(Falchi et al. 2011)
LED
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Technical masterplan illumination
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Richthofenweg Immelmannstraße
residential area
Pssssst!
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conventional lighting
compact fluorescent
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Hess Sera
• 34 W
• 2400 lm
• 5600 K
• 80 lx (brightest part)
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iGuzzini Delphi
• 39 W
• lm
• 4000 K
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Indal Stela
• 21 W
• 91...120...240 lm
• 4000 K
• 30 lx
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Philips City Spirit LED
• 29 W
• 1400 lm
• 3000 K
• 13 lx
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Trilux 9354 LED
• 24 W
• 2400 lm
• neutral white (4000 K?) daylight white (5500 K?)
• 43 lx
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Hella Eco Streetline
• 45 W
• 2900 lm
• 6300 K
• 25 lx
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Richthofenweg Immelmannstraße
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VAT Energies Westerkappeln
Automous, photovoltaic, Savonius rotor
no power lines!
installation in Yorktown, IN
23 lx, 3500 K
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Spectral sensitivity
Innolumis (Lemnis/Imtech)?
Mixture of red (630 nm) - green (500 nm)
Enschede/Hengelo
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spectral sensitivity
Innolumis (Lemnis/Imtech) solution?
mixture of red (630 nm) - green (500nm)
Lemnis
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“Auto lightmeter“
Auto - car - automatic