IEC TR 63158:2018

IEC TR 63158 ®
Edition 1.0 2018-03
TECHNICAL
REPORT
colour
inside
Equipment for general lighting purposes – Objective test method for
stroboscopic effects of lighting equipment

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IEC TR 63158 ®
Edition 1.0 2018-03
TECHNICAL
REPORT
colour
inside
Equipment for general lighting purposes – Objective test method for

stroboscopic effects of lighting equipment

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.140.01 ISBN 978-2-8322-5488-2

– 2 – IEC TR 63158:2018 © IEC 2018
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, abbreviated terms and symbols . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 9
3.3 Symbols . 10
4 General . 10
5 Laboratory and equipment requirements . 11
5.1 Schematic of the measurement setup . 11
5.2 Laboratory and environmental conditions . 12
5.3 Electrical power source . 12
5.4 Optical test environment . 12
5.5 Light sensor and amplifier . 13
5.6 Signals to be measured . 13
5.7 Duration of the measurement . 13
5.8 Signal processing . 13
5.8.1 Anti-aliasing filter . 13
5.8.2 Sampling frequency . 14
5.8.3 Signal resolution . 14
5.9 SVM calculation . 14
5.10 Verification noise-level of the setup . 14
6 Stroboscopic effect visibility meter . 15
6.1 General . 15
6.2 Verification. 15
6.3 Evaluation of results . 15
7 Test setup and operating conditions . 16
7.1 General . 16
7.2 Ageing . 16
7.3 Mounting . 16
7.4 Stabilization before measurement . 16
7.5 Operation . 16
8 General test procedure . 16
9 Application-specific equipment, procedures and conditions . 17
9.1 General . 17
9.2 Phase cut dimmer compatibility test of lighting equipment . 17
9.3 Controlgear testing . 17
9.4 In-situ testing . 18
10 Test report . 18
11 Measurement uncertainties . 18
11.1 General . 18
11.2 Verification tests . 18
11.2.1 General . 18
11.2.2 Stroboscopic effect visibility meter . 18
11.2.3 Electrical power source parameters . 18

11.2.4 Electromagnetic compatibility and test environment . 19
11.2.5 Light sensor and amplifier . 19
11.2.6 Overall noise-level of the setup. 19
11.2.7 Repeatability . 19
11.3 Quality assurance . 19
Annex A (normative) Specification of the stroboscopic effect visibility meter . 20
A.1 Background. 20
A.2 Detailed specifications of the stroboscopic effect meter . 21
A.2.1 Schematic of the SVM meter. 21
A.2.2 Block a: illuminance adapter . 21
A.2.3 Block b: calculation of spectrum . 22
A.2.4 Block c: weighting with the stroboscopic effect sensitivity curve . 22
A.2.5 Block d: summation of the weighted spectrum . 22
A.3 Numerical implementation of SVM . 23
A.4 Example. 24
A.5 Verification waveform of the stroboscopic effect meter . 24 ®
A.6 Example of SVM implementation in MATLAB . 27
Annex B (informative) Uncertainty considerations . 28
B.1 General . 28
B.2 General symbols . 28
B.3 Measurand . 28
B.4 Influence quantities . 28
Annex C (informative) Examples of test results . 31
C.1 SVM measurement results of conventional lighting equipment . 31
C.2 SVM test under dimming conditions . 32
Bibliography . 34

Figure 1 – Schematic of the stroboscopic effect measurement method . 10
Figure 2 – Different possible applications for an SVM test . 11
Figure 3 – Schematic of the TLA measurement method . 12
Figure 4 – Dimmer compatibility testing . 17
Figure 5 – Controlgear testing . 17
Figure A.1 – Structure of the stroboscopic effect visibility meter . 21
Figure A.2 – SVM sensitivity threshold T . 23
Figure A.3 – Example of an illuminance signal with a ripple . 26
Figure B.1 – Fishbone diagram representing the categories of influence quantities
contributing to the uncertainty of the SVM measurement . 29
Figure C.1 – Normalized light ripple of conventional lighting equipment . 32
Figure C.2 – Graphical SVM results of four samples of lighting equipment under
dimming conditions . 33

Table A.1 – Specification of the parameters of the verification waveforms . 27
Table B.1 – Influence quantities and their recommended tolerances . 30
Table C.1 – Numerical results of SVM calculations of conventional lighting equipment . 31
Table C.2 – Numerical results of SVM calculations of four samples of lighting
equipment under dimming conditions . 33

– 4 – IEC TR 63158:2018 © IEC 2018
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
EQUIPMENT FOR GENERAL LIGHTING PURPOSES –
OBJECTIVE TEST METHOD FOR STROBOSCOPIC
EFFECTS OF LIGHTING EQUIPMENT
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
i
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