ABB Relion 670 series - Page 575

PID-3459-OUTPUTSIGNALS v6
Table 306: AEGPVOC (50AE) Output signals
Name Type Description
TRIP BOOLEAN Trip signal from accidental energizing of generator protection
RI BOOLEAN Start signal from accidental energizing of generator protection
ENABLED BOOLEAN True when accidental energizing of generator protection is armed
8.15.1.4 Settings
PID-3459-SETTINGS v6
Table 307: AEGPVOC (50AE) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
IPickup 5 - 900 %IB 1 120 Phase current pickup in % of IBase
tOC 0.000 - 60.000 s 0.001 0.030 Trip time daly for overcurrent level
27_pick_up 2 - 150 %VB 1 50 Undervoltage level to arm protection in %
of Vbase
tArm 0.000 - 60.000 s 0.001 5.000 Time delay to arm protection with
undervoltage pickup
59_Drop_out 2 - 200 %VB 1 80 Over voltage level to disarm protection in
% of Vbase
tDisarm 0.000 - 60.000 s 0.001 0.500 Time delay to disarm protection when
voltage greater than drop out level
Table 308: AEGPVOC (50AE) Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
8.15.1.5 Monitored data
PID-3459-MONITOREDDATA v6
Table 309: AEGPVOC (50AE) Monitored data
Name Type Values (Range) Unit Description
IMAX REAL - A Maximum value of current
VMAX REAL - kV Maximum value of phase to phase voltage
8.15.1.6 Operation principle
GUID-9F310E58-0CE2-4EC6-9B02-86F615B5F844 v6
Accidental energizing protection for synchronous generator AEGPVOC (50AE) function is
connected to three phase current input either from the generator terminal side or from generator
1MRK 502 066-UUS B Section 8
Current protection
569
Technical manual