GE 489

GE Power Management
489 Generator Management Relay A-5
APPENDIX A A.1 COMMISSIONING
A
Table A–5: SETPOINTS PAGE 5 – CURRENT ELEMENTS (Sheet 1 of 7)
DESCRIPTION DEFAULT USER VALUE
SETPOINT GROUP 1
USER VALUE
SETPOINT GROUP 2
OVERCURRENT ALARM
Overcurrent Alarm Off
Assi
g
n Alarm Relays ----
Overcurrent Alarm Level 1.01 × FLA
Overcurrent Alarm Delay 0.1 sec.
Overcurrent Alarm Events Off
OFFLINE OVERCURRENT
Offline Overcurrent Trip Off
Assi
g
n Trip Relays ----
Offline Overcurrent Pickup 0.05 × CT
Offline Overcurrent Trip Delay 5 cycles
INADVERTENT ENERGIZATION
Inadvertent Ener
g
ization Trip Off
Assi
g
n Trip Relays ----
Armin
g
Si
g
nal U/V and Offline
Inadvertent Ener
g
ize O/C Pickup 0.05 × CT
Inadvertent Ener
g
ize Pickup 0.50 × Rated V
VOLTAGE RESTRAINED PHASE OVERCURRENT
Phase Overcurrent Trip Off
Assi
g
n Trip Relays ----
Enable Volta
g
e Restraint No
Volta
g
e Lower Limit 10%
Phase Overcurrent Pickup 10.00 × CT
Curve Shape ANSI Extremely Inv.
Flexcurve Trip Time at 1.03 x PU 65535 ms
Flexcurve Trip Time at 1.05 x PU 65535 ms
Flexcurve Trip Time at 1.10 x PU 65535 ms
Flexcurve Trip Time at 1.20 x PU 65535 ms
Flexcurve Trip Time at 1.30 x PU 65535 ms
Flexcurve Trip Time at 1.40 x PU 65535 ms
Flexcurve Trip Time at 1.50 x PU 65535 ms
Flexcurve Trip Time at 1.60 x PU 65535 ms
Flexcurve Trip Time at 1.70 x PU 65535 ms
Flexcurve Trip Time at 1.80 x PU 65535 ms
Flexcurve Trip Time at 1.90 x PU 65535 ms
Flexcurve Trip Time at 2.00 x PU 65535 ms
Flexcurve Trip Time at 2.10 x PU 65535 ms
Flexcurve Trip Time at 2.20 x PU 65535 ms
Flexcurve Trip Time at 2.30 x PU 65535 ms