GE 489 Instruction Manual page 287

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