61000-4-15 © IEC:2010 – 3 –
6.3
Rectangular voltage changes and performance testing...........................................21
6.4 Combined frequency and voltage changes – Class F1 flickermeters .......................22
6.5 Distorted voltage with multiple zero crossings – Class F1 flickermeters ..................23
6.6 Bandwidth test using harmonic and inter-harmonic side band modulation ...............23
6.7 Phase jumps – Class F1 flickermeters ...................................................................24
6.8 Rectangular voltage changes with 20 % duty cycle.................................................24
6.9 d parameter test, d
c
, d
max
, and d(t) > 3,3% ...........................................................25
7 Environmental and other requirements ............................................................................27
7.1 General .................................................................................................................27
7.2 Insulation, climatic, electromagnetic compatibility, and other tests..........................27
Annex A (normative) Techniques to improve accuracy of flicker evaluation ...........................30
Annex B (informative) Meaning of ΔU/U and number of voltage changes, d
c
, d(t), d
max
examples ..............................................................................................................................
32
Annex C (informative) Sample protocols for type testing .......................................................36
Bibliography..........................................................................................................................40
Figure 1 – Illustration of 28 Hz modulated test voltage with 20 % duty cycle ...........................
25
Figure 2 – Functional diagram of IEC flickermeter .................................................................28
Figure 3 – Basic illustration of the time-at-level method for P
st
= 2,000 ..................................29
Figure B.1 – Rectangular voltage change ΔU/U = 40 %, 8,8 Hz, 17,6 changes/second............33
Figure B.2 – Illustration of “d” parameter definitions...............................................................35
Table 1a – Normalized flickermeter response 120 V / 50 Hz and 120 V / 60 Hz for
sinusoidal voltage fluctuations...............................................................................................
14
Table 1b – Normalized flickermeter response 230 V / 50 Hz and 230 V / 60 Hz for
sinusoidal voltage fluctuations...............................................................................................
15
Table 2a – Normalized flickermeter response 120 V / 50 Hz and 120 V / 60 Hz for
rectangular voltage fluctuations .............................................................................................
16
Table 2b – Normalized flickermeter response 230 V / 50 Hz and 230 V / 60 Hz for
rectangular voltage fluctuations .............................................................................................
17
Table 3 – Indicative values for the parameters of lamps.........................................................19
Table 4 – Test specifications for flickermeter.........................................................................21
Table 5 – Test specification for flickermeter classifier............................................................22
Table 6 – Test specification for combined frequency and voltage changes – Class F1
flickermeters .........................................................................................................................
23
Table 7 – Test specification for distorted voltage with multiple zero crossings – Class F1
flickermeters .........................................................................................................................
23
Table 8 – 8,8 Hz modulation depth for distorted voltage test – Class F 1 flickermeters ...........23
Table 9 – Test specification for Harmonics with side band – Class F1 flickermeters ...............24
Table 10 – Test specification for phase jumps – Class F1 flickermeters .................................24
Table 11 – Test specification for rectangular voltage changes with duty ratio .........................24
Table 12 – Test specification for d
c
, d
max
, t
(d(t))
> 3,3 % ........................................................
25
Table 13 – Test specification for d
c
, d
max
, t
(d(t))
> 3,3 % ........................................................
26
Table B.1 – Correction factor for other voltage/frequency combinations .................................33
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