GE Multilin 489

CHAPTER A: APPENDIX
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL A–15
A.4 Time Overcurrent Curves
A.4.1 ANSI Curves
FIGURE A–8: ANSI Moderately Inverse Curves
0.01
0.1
1
10
100
1000
0.1
1
10
100
808802A4.CDR
CURRENT (I/Ipu)
TRIP TIME (sec)
489 ANSI
MODERATELY INVERSE
0.5
1.0
2.0
3.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
MULTIPLIER
GE Multilin
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