GE 489 - Page 240

A-8 489 Generator Management Relay
GE Power Management
A.1 COMMISSIONING APPENDIX A
A
NEGATIVE SEQUENCE OVERCURRENT
Ne
g
ative Sequence Alarm Off
Assi
g
n Alarm Relays ---5
Ne
g
ative Sequence Alarm Pickup 3% FLA
Ne
g
ative Sequence Alarm Delay 5.0 sec.
Ne
g
ative Sequence Alarm Events Off
Ne
g
ative Sequence O/C Trip Off
Assi
g
n Trip Relays 1---
Ne
g
. Sequence O/C Trip Pickup 8% FLA
Ne
g
. Sequence O/C Constant K 1
Ne
g
. Sequence O/C Max. Time 1000 sec.
Ne
g
. Sequence O/C Reset Rate 227.0 sec.
GROUND OVERCURRENT
Ground Overcurrent Alarm Off
Assi
g
n Alarm Relays ---5
Ground Overcurrent Alarm Pickup 0.20 × CT
Ground Overcurrent Alarm Delay 0 cycles
Ground Overcurrent Alarm Events Off
Ground Overcurrent Trip Off
Assi
g
n Trip Relays 1---
Ground Overcurrent Trip Pickup 0.20 × CT
Curve Shape ANSI Extremely Inv.
Ne
g
. Sequence O/C Max. Time 1000 sec.
Ne
g
. Sequence O/C Reset Rate 227.0 sec.
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
Table A–5: SETPOINTS PAGE 5 – CURRENT ELEMENTS (Sheet 4 of 7)
DESCRIPTION DEFAULT USER VALUE
SETPOINT GROUP 1
USER VALUE
SETPOINT GROUP 2