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4 Measured Quantities and Recording
4.1 Power Quality Measuring System and Recording System
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
Measurement
recorder
Event recorder
Trend recorder
36
Recording Measured Values
Measured quantity
Frequency
Mains voltage level
Unbalance of the
mains voltage
Harmonics and
interharmonics of the
mains voltage
Additional data
(for example power
values, min/max
values etc.)
Flicker
Voltage dips,
Voltage interruptions
Voltages swells
V
(1/2) cycle
rms
Storage interval/storage
method
10 s
(fixed)
10 min
(30 s, 1 min, 10 min, 15 min,
30 min, 1 h, 2 h)
Pst determined over 10 min;
Plt over 2 h (12 Pst values)
Residual voltage V
(1/2)
rms
and time stamp (duration)
Maximum voltage magnitude
V
(1/2) and time stamp
rms
(duration)
For measured value changes
(in percent or absolute) and
cyclic (time interval)
E50417-H1040-C522-A4, Edition 03.2018
Application
Long-time monitoring of the
power quality for example
according to EN 50160
Monitoring of the power
quality according to
IEC 61000-4-15
Long-time monitoring of the
power quality according to
EN 50160, classification of
voltage events, for example
ITIC curve
Subsequent analysis of the
power quality with any grid
codes
SICAM Q100, 7KG95xx, Device Manual
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