4 Measured Quantities and Recording
4.1 Power Quality Measuring System and Recording System
37
SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A6, Edition 06.2019
4.1.7
Recording of Measured Quantities
and Events
4.1.7.1 Power Quality Recorder Types
SICAM Q100 provides different recording options to monitor and analyze the power quality and for the load
profile.
Table 4-2
Recording Measured Values
Recording
Measured quantity
Storage interval/storage
method
Application
Measurement
recorder
Frequency
10 s
(fixed)
Long-time monitoring of the
power quality for example
according to EN 50160
Mains voltage level
10 min
(30 s, 1 min, 10 min, 15 min,
30 min, 1 h, 2 h)
Unbalance of the
mains voltage
Harmonics and
interharmonics of the
mains voltage
More data
(for example, power
values, min/max
values)
Flicker
Pst determined over 10 min;
Plt over 2 h (12 Pst values)
Monitoring of the power
quality according to
IEC 61000-4-15
Event recorder
Voltage dips,
Voltage interruptions
Residual voltage V
rms
(1/2)
and time stamp (duration)
Long-time monitoring of the
power quality according to
EN 50160, classification of
voltage events, for example
ITIC curve
Voltages swells
Maximum voltage magnitude
V
rms
(1/2) and time stamp
(duration)
Trend recorder
V
rms
(1/2) cycle
For measured value changes
(in percent or absolute) and
cyclic (time interval)
Subsequent analysis of the
power quality with any grid
codes
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