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12
Computations
For a list of all measurement channels see here. Bold and italic required for EN 50160
Parameter
Voltage, current
Flicker
Frequency
Harmonics
Interharmonics
Symmetry
Unbalance
Power/Energy
Trigger
Voltage events
Description
RMS-values
Curve plots (reduced RMS values)
short-term and long-term flicker
momentary flicker value and maximum
50 Hz
60 Hz
voltage, current, power, cos phi
up to the 50th,THD, TDD-J
up to 10 frequencies
10 Hz to 3000 Hz, resolution: 5 Hz
zero-, positive-, negative phase sequence
system
negative/positive * 100 %
1-, 2-, 3-phase, overall system
4 quadrant measurement
for voltage and current –
RMS-trigger, curve shape trigger
overvoltage, dips,
outages,
rapid voltage fluctuations
slow voltage fluctuations
Remark
Moving RMS value with each half-
period over one period
One data point at least per 24 h
optional
40 Hz to 57,5 Hz
50 Hz to 69 Hz
For EN 50160: up to the 25th
required
active, reactive, apparent power
power factor
active, reactive, apparent energy
amount of triggered recordings
limited only by the memory card
used
Power Quality Recorder SICAM Q80 7KG8080, Operating instruction
E50417-B1074-C419-A2, Release 12.01.2015
Computations
E-49
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