GE 489 Instruction Manual page 240

B.1 TIME OVERCURRENT CURVES
1000
B
0.01
B-4
GE Multilin
100
10
1
0.1
0.1
Figure B–4: ANSI EXTREMELY INVERSE CURVES
489 Generator Management Relay
1
10
CURRENT (I/Ipu)
APPENDIX B
489 ANSI
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
100
808799A4.CDR
GE Multilin