Underpower IED
Overpower IED
Q Q
P P
Tripping point
without
turbine torque
Margin Margin
Trip
Line
Trip
Line
Tripping point
without
turbine torque
ANSI06000315-1-en.vsd
ANSI06000315 V1 EN-US
Figure 292: Reverse power protection with underpower IED and overpower IED
8.12.3 Function block
SEMOD172667-4 v4
ANSI07000028-2-en.vsd
GOPPDOP (32)
I3P*
V3P*
BLOCK
BLOCK1
BLOCK2
TRIP
TRIP1
TRIP2
PICKUP
PICKUP1
PICKUP2
P
PPERCENT
Q
QPERCENT
ANSI07000028 V2 EN-US
Figure 293: GOPPDOP (32) function block
8.12.4 Signals
PID-3710-INPUTSIGNALS v5
Table 284: GOPPDOP (32) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Current group connection
V3P GROUP
SIGNAL
- Voltage group connection
BLOCK BOOLEAN 0 Block of function
BLOCK1 BOOLEAN 0 Block of stage 1
BLOCK2 BOOLEAN 0 Block of stage 2
1MRK 502 066-UUS B Section 8
Current protection
551
Technical manual