Hioki PW3198 - Appendix 5 Detailed Explanation of IEC Flicker and V10 Flicker

Appendix 5 Detailed Explanation of IEC Flicker and DV10 Flicker
A
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The IEC flicker function is based on international standard IEC61000- 4-15, "Flickermeter - Functional
and design specifications".
Appendix 5 Detailed Explanation of IEC Flicker
and V10 Flicker
To measure the IEC Flicker or V10 Flicker
Flicker calculation and IEC flicker filter settings are configured on the SYSTEM-
DF1
[MAIN]-F1 [MEASURE] screen.
See:"5.1 Changing Measurement Conditions" (p.55)
IEC Flicker Meter
A/D
conver-
sion
Waveform
data
Block 1
Input voltage adapter
AGC
Block 2
Square multiplier
Square
multi-
plier
Luminous
sensitivity
filter
Block 3
Weighing filter
Voltage waveform
Square
multi-
plier
Block 4
Average
smoothing
1st order
Smooth
averaging
filter
Block 5
Online statistical analysis
Class
cate-
gory
Pst cal-
cula-
tion
Plt cal-
cula-
tion
Long interval
flicker
Plt
Instantaneous
flicker value
S(t)
Short interval
flicker
Pst