12
12.11 Slot Description
157Digital Fault Recorder, SIMEAS R-PMU, Manual
E50417-H1076-C360-A5, Release 10.2012
12.11.3 Power/Frequency
The Power/Frequency tab is provided for VCDAUs, coupled CDAUs and, with certain
restrictions, for VDAUs.
Figure 12-23 Power/Frequency tab
You can parameterize the following channels depending on the DAU type:
VCDAU and coupled CDAU at single-phase connection
P1 to P4 Active powers group 1 of the coupled CDAU
P5 to P8 Active powers of VCDAU and group 2 of the coupled CDAU
Q1 to Q4 Reactive powers group 1 of the coupled CDAU
Q5 to Q8 Reactive powers of VCDAU and group 2 of the coupled
CDAU
FREQ1 Frequency calculated using the best signal of the first
recording group (channels 1 to 4) of the DAU
FREQ2 Frequency calculated using the best signal of the second
recording group (channels 5 to 8) of the DAU
Powers are calculated from the corresponding current/voltage pairs V1/I1 to V4/I4 (VCDAU
and group 1of the coupled CDAU) and V1/I5 to V4/I8 (group 2 of the coupled CDAU).
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