Iec Curves; B.1.4 Iec Curves - GE 489 Instruction Manual

B.1 TIME OVERCURRENT CURVES APPENDIX B

B.1.4 IEC CURVES

489
IEC CURVE A (BS142)
GE Multilin
1000
B
100
10
MULTIPLIER
1.00
0.80
0.60
0.50
1
0.40
0.30
0.20
0.15
0.10
0.05
0.1
0.01
CURRENT (I/Ipu)
808803A4.CDR
Figure B–10: IEC CURVES A (BS142)
B-10 489 Generator Management Relay GE Multilin