Megger MPQSIM, User Manual

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M
AVTMMPQSIM Rev 1 May 2017
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19. Create an RMS chart
Click on the CREATE CHART button then select the "RMS" chart and click
CREATE.
NOTE: Tthe ability to zoom and create scan lines to examine individual
intervals. When analyzing dip (sag) and swell events one method is to
examine the direction of the voltage event and the current. If the voltage
dips while the current swells this an indication that the event was on the
load side. If the voltage and current are in the same direction this is a
sign that the event was on the source side. Minimum voltage and
maximum current should be plotted together when performing this
analysis.
Please note” this is only an indication, it does not holds true in all cases.