Energy Efficient Railway Lighting according to EN 12464-2 „Lighting ...
Energy Efficient Railway Lighting according to EN 12464-2 „Lighting ...
Energy Efficient Railway Lighting according to EN 12464-2 „Lighting ...
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Zone<br />
E1<br />
E2<br />
E3<br />
E4<br />
CIE 150:2003 Methodology(I),<br />
Maximum Obtrusive Light permitted<br />
Illuminance on<br />
Properties<br />
Precurfew<br />
2<br />
5<br />
10<br />
25<br />
E v in lx<br />
Postcurfew<br />
0<br />
1<br />
2<br />
5<br />
Luminaire<br />
Intensity<br />
Precurfew<br />
2500<br />
7500<br />
10000<br />
25000<br />
I in cd<br />
Postcurfew<br />
500<br />
1000<br />
2500<br />
1000<br />
A. S<strong>to</strong>ckmar ILUMINAT 2009, Cluj-Napoca 28<br />
0<br />
Upward<br />
Light<br />
Ratio<br />
ULR<br />
in %<br />
0<br />
5<br />
15<br />
25<br />
Luminance<br />
L b in<br />
cd/m 2<br />
Building<br />
facade<br />
0<br />
5<br />
10<br />
15<br />
L s in<br />
cd/m 2<br />
Signs<br />
50<br />
400<br />
800
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