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7.5. Power quality
After pressing the icon
the selection and configuration window of
power quality parameters
(General and Dips) opens. Power quality parameters
are defined acc to the EN 50160 standard.
7.5.1. Parameter Programming: General
Item Function
1
10 min. U RMS limits - Configuration of RMS voltage quality parameters for
10 minutes’ period (default settings acc.to EN 50160):
– Min deviation (100%): setting of admissible U RMS deviation
percentage downwards for a 100% probability
– Max deviation (100%): setting of admissible deviation percentage
upwards for a 100% probability
– Time deviation (X%): time percentage in which U RMS has to be in
definite limits
– Min deviation (X%): admissible U RMS deviation percentage
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2
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