8.12.6 Monitored data
PID-3710-MONITOREDDATA v4
Table 289: GOPPDOP (32) Monitored data
Name Type Values (Range) Unit Description
P REAL - MW Active power P in MW
PPERCENT REAL - % Active power P in % of SBase
Q REAL - MVAr Reactive power Q in MVAr
QPERCENT REAL - % Reactive power Q in % of SBase
8.12.7 Operation principle
SEMOD172154-4 v3
A simplified scheme showing the principle of the power protection function is shown in figure
294.
The function has two stages with individual settings.
ANSI06000567-2-en.vsd
Chosen current
phasors
Chosen voltage
phasors
Complex
power
calculation
P
Derivation of
S(composant)
in Char angle
S(angle)
S(angle) >
Power1
t TRIP1
PICKUP1
Q
P = POWRE
Q = POWIM
S(angle) >
Power2
t TRIP2
PICKUP2
ANSI06000567 V2 EN-US
Figure 294: Simplified logic diagram of the power protection function
The function will use voltage and current phasors calculated in the pre-processing blocks. The
apparent complex power is calculated according to chosen formula as shown in table
290.
Section 8 1MRK 502 066-UUS B
Current protection
554
Technical manual
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