T
F
T
F
T
F
X
60.0
q
-1
0.0
q
-1
&
RSTACC
EAFPrestVal
ACCINPRG
P* (ACTIVE FORWARD)
EAFACC
a>b
a
b
1000 GWh
q
-1
= unit delay
IEC13000187-5-en.vsdx
IEC13000187 V5 EN-US
Figure 579: Logic for integration of active forward energy
The energy pulses generated by using internally calculated accumulated energy values and energy
per pulse (
ExxAccPlsQty
) setting. The accumulated energy values are divided by the energy-per-
pulse value to get the number of pulses. The number of pulses can be reset to zero by activating
RSTACC input or by using the local HMI reset menu. The pulse on and off time duration is set by the
settings
tEnergyOnPls
and
tEnergyOffPls
. Figure 580 shows the logic for pulse output generation
for the integrated energy in the active forward direction. Similarly, the pulse generation for
integrated energy in the active reverse, reactive forward and reactive reverse is done.
Section 17 1MRK 502 066-UUS B
Metering
1110
Technical manual
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