15.2.6
Monitored data
PID-6872-MONITOREDDATA v3
Table 462:
ETPMMTR Monitored data
Name
Type
Values (Range)
Unit
Description
EAFACC
REAL
-
MWh
Accumulated forward
active energy value
EARACC
REAL
-
MWh
Accumulated reverse
active energy value
ERFACC
REAL
-
MVArh
Accumulated forward
reactive energy value
ERRACC
REAL
-
MVArh
Accumulated reverse
reactive energy value
MAXPAFD
REAL
-
MW
Maximum forward active
power demand value for
set interval
MAXPARD
REAL
-
MW
Maximum reverse active
power demand value for
set interval
MAXPRFD
REAL
-
MVAr
Maximum forward
reactive power demand
value for set interval
MAXPRRD
REAL
-
MVAr
Maximum reverse
reactive power demand
value for set interval
15.2.7
Operation principle
GUID-4A46757C-EC5D-4BCE-9D09-C8152B062CE1 v3
The instantaneous output values of active and reactive power from the
Measurements function CVMMXN are used and integrated over a selected time
tEnergy
to measure the integrated energy. Figure
shows the overall
functionality of the energy calculation and demand handling function ETPMMTR.
1MRK 506 382-UEN A
Section 15
Metering
Line distance protection REL650 2.2 IEC
649
Technical manual
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