GE 489

GE Power Management
489 Generator Management Relay C-5
APPENDIX C C.1 TIME OVERCURRENT CURVES
C
C.1.2 DEFINITE TIME CURVE
Figure C–5: DEFINITE TIME CURVE
0.5
1.0
2.0
3.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
0.01
0.1
1
10
100
1000
0.1
1
10
100
CURRENT (I/Ipu)
TRIP TIME (sec)
MULTIPLIER
808798A3.CDR
489
DEFINITE TIME
GE Power Management