GE 489 - Manual (Page 245)

GE Multilin 489 Generator Management Relay B-9
APPENDIX B B.1 TIME OVERCURRENT CURVES
B
Figure B–9: IAC EXTREME INVERSE CURVES
0.5
1.0
2.0
3.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
0.01
0.1
1
10
100
1000
0
.1 1
10
100
808806A4.CDR CURRENT (I/Ipu)
TR
IP
TIME
(sec) MULTIPLIER
489 IAC
EXTREME INVERSE GE Multilin