GE 489

GE Power Management
489 Generator Management Relay C-11
APPENDIX C C.1 TIME OVERCURRENT CURVES
C
Figure C–11: IEC CURVE B (BS142)
0.05
0.10
0.15
0.20
0.30
0.40
0.50
0.60
0.80
1.00
0.01
0.1
1
10
100
1000
0.1
1
10
100
CURRENT (I/Ipu)
TRIP TIME (sec)
MULTIPLIER
808804A3.CDR
489 IEC
CURVE B (BS142)
GE Power Management