GE 489

C-10 489 Generator Management Relay
GE Power Management
C.1 TIME OVERCURRENT CURVES APPENDIX C
C
C.1.4 IEC CURVES
Figure C–10: IEC CURVE A (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
808803A3.CDR
489 IEC
CURVE A (BS142)
GE Power Management