GE Multilin 489

A–24 489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER A: APPENDIX
A.4.4 IEC Curves
FIGURE A–17: IEC Curves 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
489
IEC CURVE A (BS142)
808803A4.CDR
GE Multilin
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