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GE 489 Instruction Manual page 294

Generator management relay
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C.1 TIME OVERCURRENT CURVES
APPENDIX C
489 IEC
GE Power Management
CURVE C (BS142)
1000
C
100
10
1
MULTIPLIER
1.00
0.80
0.60
0.1
0.50
0.40
0.30
0.20
0.15
0.10
0.05
0.01
808805A3.CDR
CURRENT (I/Ipu)
Figure C–12: IEC CURVE C (BS142)
C-12
489 Generator Management Relay
GE Power Management

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