Time Overcurrent Curves; Ansi Curves; B.1.1 Ansi Curves - GE 489 Instruction Manual

APPENDIX B
APPENDIX B CurvesB.1 Time Overcurrent Curves
1000
100
10
1
0.1
0.01
0.1
GE Multilin
GE Multilin
1
CURRENT (I/Ipu)
Figure B–1: ANSI MODERATELY INVERSE CURVES
489 Generator Management Relay
B.1 TIME OVERCURRENT CURVES
489 ANSI
MODERATELY INVERSE
MULTIPLIER
30.0
20.0
15.0
10.0
8.0
6.0
4.0
3.0
2.0
1.0
0.5
10
808802A4.CDR

B.1.1 ANSI CURVES

B
100
B-1