GE 489 Instruction Manual page 245

APPENDIX B
1000
100
10
1
0.1
0.01
GE Multilin
GE Multilin
CURRENT (I/Ipu)
Figure B–9: IAC EXTREME INVERSE CURVES
489 Generator Management Relay
B.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
808806A4.CDR
B
B-9