GE 489 - Manual (Page 247)

GE Multilin 489 Generator Management Relay B-11
APPENDIX B B.1 TIME OVERCURRENT CURVES
B
Figure B–11: IEC CURVES 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)
TR
IP
TIME
(sec)
MULTIPLIER
489
IEC CURVE B (BS142)
808804A4.CDR
GE Multilin