GE 489 Instruction Manual page 286

C.1 TIME OVERCURRENT CURVES
C
C-4
GE Power Management
1000
100
10
1
0.1
0.01
0.1
Figure C–4: ANSI EXTREMEMLY INVERSE CURVE
489 Generator Management Relay
1
10
CURRENT (I/Ipu)
APPENDIX C
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
808799A3.CDR
GE Power Management