7/30/2019 Lighting Technology Electric Lighting Wk5
1/41
Electric Lighting Design
Lighting Technology
7/30/2019 Lighting Technology Electric Lighting Wk5
2/41
DIALUX
7/30/2019 Lighting Technology Electric Lighting Wk5
3/41
Download luminairesfrom all connectedmanufacturers
E.g. Philips
www.lighting.philips.com/nl_nl/tools_downloads/
7/30/2019 Lighting Technology Electric Lighting Wk5
4/41
Luminaire choice
Choice of
1 or moreluminaries
7/30/2019 Lighting Technology Electric Lighting Wk5
5/41
Luminaire position
7/30/2019 Lighting Technology Electric Lighting Wk5
6/41
Luminaire position
7/30/2019 Lighting Technology Electric Lighting Wk5
7/41
Evaluation
7/30/2019 Lighting Technology Electric Lighting Wk5
8/41
Design parameters
Requirements:
Illuminance Uniformity
Luminance ratio
Luminance Color rendering index
Can be influenced by: Installed power
Choice of optics
Luminaire position/distribution
Mounting height
7/30/2019 Lighting Technology Electric Lighting Wk5
9/41
TL5 diameter 16 mm HE lumen HO lumen
14 W 1200 24 W 1750
21 W 1900 39 W 3100
28 W 2600 54 W 4450
35 W 3300 49 W 4300 80 W 6150
HE = High Efficient
HO = High Output
548848
1148
1448 mm
Installed power
Higher power > longer lamp!
7/30/2019 Lighting Technology Electric Lighting Wk5
10/41
1939: 38 mm (T12)
1978: 26 mm (T8)1995: 16 mm (T5)
Innovations in fluorescent lamps
7/30/2019 Lighting Technology Electric Lighting Wk5
11/41
Direct Semi-Direct Diffuus
Direct-Indirect Semi-Indirect Indirect
0-10%
90-100%
10-40%
60-90%
40-60%
60-40%
40-60%
40-60%
60-90%
10-40%
90-100%
0-10%
Luminous distribution
CIE classification of intensity distribution
7/30/2019 Lighting Technology Electric Lighting Wk5
12/41
Luminous distribution
Fotometric: C- system of coordinates
axis of rotation
C=270
=180
axisoftilt
C=0
roadside
kerbside
C=90
C=180
=0
=90
C+20 plane
7/30/2019 Lighting Technology Electric Lighting Wk5
13/41
C0 - C180 plane C90 - C270 plane
C-planes
-angles
Fotometric: C- system of coordinates
7/30/2019 Lighting Technology Electric Lighting Wk5
14/41
Luminous distribution
Polair diagram
7/30/2019 Lighting Technology Electric Lighting Wk5
15/41
Optics
Polair diagram
7/30/2019 Lighting Technology Electric Lighting Wk5
16/41
Luminous distribution
Polair diagram
7/30/2019 Lighting Technology Electric Lighting Wk5
17/41
Luminous distribution
Polair diagram
7/30/2019 Lighting Technology Electric Lighting Wk5
18/41
optics (example Philips)
D6 Double parabolic optic semi-glossy
M2 Reflector frosted with ribbed louvres
M6 Closed optic with frosted parabolid louvres
7/30/2019 Lighting Technology Electric Lighting Wk5
19/41
C61D6
7/30/2019 Lighting Technology Electric Lighting Wk5
20/41
C61M2M2
7/30/2019 Lighting Technology Electric Lighting Wk5
21/41
C61M6M6
7/30/2019 Lighting Technology Electric Lighting Wk5
22/41
Example of luminaire information
7/30/2019 Lighting Technology Electric Lighting Wk5
23/41
http://www.etaplighting.com/products/productdetail.aspx?code=U1630/149HFW&cid=3&l=en
7/30/2019 Lighting Technology Electric Lighting Wk5
24/41
Point source calculation
E = I cos () / d2
or
Eh= I cos3 / h2
I = luminous intensity source in direction ofmeasurement point
= angle between vertical and direction oflight source towards measurement point
d = distance between light source measurement point
7/30/2019 Lighting Technology Electric Lighting Wk5
25/41
Luminaire 2 meters above table
h = 2 = 0 => cos = 1
Directly under luminaire:E = I cos3 / h2
= 648 / 4 = 162 lux
C 90
C 0
7/30/2019 Lighting Technology Electric Lighting Wk5
26/41
Illuminance
One meter next to measurementpoint:
so = 26.56 degrees
Eh= I cos3 / h2
E = 440 * 0.893/ 4 = 79 luxC 90
C 01 m
89,052
)12(
2cos22
==
+
=
7/30/2019 Lighting Technology Electric Lighting Wk5
27/41
a) Determine Height H
X = Length l / Height H =
5,4 m / 1,55 m = 3,48
X between 2 H and 4 H
Y = Width b / Heigth H =
3,6 m / 1,55 m = 2,3
Y between 2 H en 3 H
hL=
2,8m
H = 1,55m
hB = 1,25 m (Example)
b=
3,6m
l = 5,4m
b) Bepaling van de lengte en breedtewaarden (X,Y)
Height HLuminaire heigth hL
Position of viewer hB
Determining UGR value
UGR values in Dialux can befound in table
Determine Roomparameters
7/30/2019 Lighting Technology Electric Lighting Wk5
28/41
Different optic
7/30/2019 Lighting Technology Electric Lighting Wk5
29/41
Different optic
7/30/2019 Lighting Technology Electric Lighting Wk5
30/41
Different optic
7/30/2019 Lighting Technology Electric Lighting Wk5
31/41
Different optic
7/30/2019 Lighting Technology Electric Lighting Wk5
32/41
Emergency Light
Emergency Light
Replacement Lighting Evacuation Lighting
Anti-Panic Lighting Exit LightingLighting for Work places
with high hazard risk
7/30/2019 Lighting Technology Electric Lighting Wk5
33/41
Evacuation lighting
Is switched on when the normallighting fails due to power failure
Provides that people can leave the
building safely
7/30/2019 Lighting Technology Electric Lighting Wk5
34/41
Anti-panic lighting 0.5 lux
Safely end activity
Orientation
Avoid obstacles to escape
Exit without panic
7/30/2019 Lighting Technology Electric Lighting Wk5
35/41
Exit route lighting 1 lux
Signaling - indicating the exit route
Lighting of the exit route
7/30/2019 Lighting Technology Electric Lighting Wk5
36/41
Lighting for Work places with high hazard
risk
10% Of normal lighting
> 15 lx
7/30/2019 Lighting Technology Electric Lighting Wk5
37/41
Schematisch overzichtAlso on the outside offinal exit
Final exit
Crossing, 1 lx
Anti Panic lighting, 0.5 lx
Exit
Level difference, 1 lx
Change of direction
1 lx
Fire extinguisher
Exit lighting: 1lx
Open zone: 0.5 lxElsewhere: 5 lx
Exit route lighting
1 lx
Work places withhigh hazard risk: 10%
of normal lighting.Min. 15 lx
7/30/2019 Lighting Technology Electric Lighting Wk5
38/41
Practice
Electric Light Design
7/30/2019 Lighting Technology Electric Lighting Wk5
39/41
Class room in a school
Size 7.2 * 7.2 * 3.6 m3
7/30/2019 Lighting Technology Electric Lighting Wk5
40/41
Questions
Which requirements
Visual performance
NEN EN 12464-1:
Classroom Em = 300 lx, UGRL =19, Ra =80.Remarks: Lighting should be controllable
Black Board Em =500 lx, UGRL = 19, Ra = 80.Remarks: prevent specular reflections
Atmosphere
Shape
Direct sunlight? -> orientation!
View?
7/30/2019 Lighting Technology Electric Lighting Wk5
41/41
Assignment
Write down the light characteristics for electriclighting
Design the electric lighting in your daylight design
Bring this for next week for discussion