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

C.1 TIME OVERCURRENT CURVES APPENDIX C

C.1.4 IEC CURVES

489 IEC
GE Power Management
CURVE A (BS142)
1000
C
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)
808803A3.CDR
Figure C–10: IEC CURVE A (BS142)
C-10 489 Generator Management Relay GE Power Management