GE 489 Instruction Manual page 291

APPENDIX C
1000
100
10
1
0.1
0.01
GE Power Management
GE Power Management
CURRENT (I/Ipu)
Figure C–9: IAC EXTREME INVERSE CURVE
489 Generator Management Relay
C.1 TIME OVERCURRENT CURVES
489 IAC
EXTREME INVERSE
MULTIPLIER
30.0
20.0
15.0
10.0
8.0
6.0
4.0
3.0
2.0
1.0
0.5
808806A3.CDR
C
C-9