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Technical Specifications" on page 46.
Voltage Variations
The interval value of the voltage is defined as the mean value of the RMS
values over the interval length defined in PQ Log.
Averaging intervals can be set in PQ Log to the following:
1, 3, 5, 10, or 30 seconds
1, 5, 10, 15, or 60 minutes
V
N
For logging in Wye configuration using logging function A, the
phase-phase voltages are measured and displayed separately from the
logging of the phase-neutral voltages.
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1 Interval
Measuring period
Figure 13. Measuring Voltage Variations
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Methods of Logging
Time
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