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BS EN 15193:2007
Superseded
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Energy performance of buildings. Energy requirements for lighting
Hardcopy , PDF
30-06-2017
English
30-04-2011
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Calculating energy used for lighting
4.1 Total energy used for lighting
4.1.1 Total estimated energy
4.1.2 Total annual energy used for lighting
4.2 Lighting Energy Numeric Indicator (LENI)
5 Metering
5.1 General
5.2 Load segregation
5.3 Remote metering
6 Calculation of lighting energy in buildings
6.1 Installed lighting power
6.1.1 General
6.1.2 Luminaire
6.1.3 Luminaire power (P[i])
6.1.4 Parasitic powers (P[ci] and P[ei])
6.2 Calculation methods
6.2.1 Quick method
6.2.2 Comprehensive method
6.2.3 Determination of constant illuminance
factor F[c]
7 Benchmark of lighting energy requirements
8 Lighting design and practice
Annex A (informative) - Metering of lighting circuit
Annex B (informative) - Measurement method of total
power of luminaires and associated
parasitic power
B.1 Introduction
B.2 Test measurement of luminaire power during
normal operation
B.3 Standard test conditions
B.4 Electrical measuring instruments
B.5 Test luminaires
B.6 Test voltage
B.7 Luminaire power (P[i])
B.8 Luminaire parasitic power with lamps
off (P[pi])
B.9 Emergency lighting luminaire parasitic
input power (P[ei])
B.10 Lighting controls standby parasitic
power (P[ci])
B.11 Default luminaire power for existing
lighting installations
B.12 Default parasitic energy for existing
lighting installations
Annex C (informative) - Determination of the daylight
dependency factor F[D,n]
C.1 General
C.2 Building segmentation: Spaces benefiting
from daylight
C.3 Daylight supply
C.3.1 Vertical facades
C.3.2 Rooflights
C.4 Daylight dependent artificial lighting
control, F[D,C]
C.5 Monthly method
Annex D (informative) - Determination of occupancy
dependency factor F[O]
D.1 Introduction
D.2 Detailed determination of F[O]
D.3 Motivation for the choice of FO functions
Annex E (informative) - Determination of the constant
illuminance factor F[C]
E.1 Introduction
E.2 Power for constant illuminance factor
E.3 Constant illuminance factor (F[c])
Annex F (informative) - Benchmark values and lighting
design criteria
Annex G (informative) - Default values
G.1 The default values for annual operating
hours relating to building type are given
in Table G.1
Annex H (informative) - Other considerations
H.1 Individual dimming
H.2 Algorithmic lighting
H.3 Light pipes
H.4 Lighting installations with scene setting
H.5 Daylight guidance
H.5.1 Vertical facades
H.5.2 Rooflights
Annex I (informative) - List of Symbols
Bibliography
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