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4 Measurands and Recording
4.1 Measuring and Recording System
32
SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
E50417-H1040-C568-A1, Edition 03.2015
The interaction of the recorders is depicted in the following figure:
Figure 4-3
Block Diagram of Recorders
A/ D
Converter
Synchronization
Frequency
Voltage Magnitude
Harmonics
Unbalance
V(t)
Event
Recorder
Measurand
Recorder
Interruptions, Swells
Dips
Changes on
V
rms
(½ )
Trend
Recorder
Fault
Recorder
I (t)
Current
Power, Pf,
Ag
gr
eg
at
io
n
Measurand
Recorder
Flicker meter
V(t)
Pst, Plt
Trigger
PQ events:
V(t)/I(t)
V(t)/I(t)
or
V
rms
(½)
I
rms
(½)
Measurand
Recorder
Sample points
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