GE 489 - Page 285

GE Power Management
489 Generator Management Relay C-3
APPENDIX C C.1 TIME OVERCURRENT CURVES
C
Figure C–3: ANSI VERY INVERSE CURVE
0.01
808800A3.DWG
0.1
1
10
100
1000
0.1
1
10
100
CURRENT (I/Ipu)
TRIP TIME (sec)
0.5
1.0
2.0
3.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
MULTIPLIER
489 ANSI
VERY INVERSE
GE Power Management