489 iac inverse, Current (i/ipu) tr ip time (sec), Ge multilin – GE 489 User Manual
Page 243
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GE Multilin
489 Generator Management Relay
B-7
APPENDIX B
B.1 TIME OVERCURRENT CURVES
B
Figure B–7: IAC INVERSE CURVES
0.5
1.0
2.0
3.0
4.0
6.0
8.0
10.0
15.0
20.0
30.0
0.01
0.1
1
10
100
1000
0
.1
1
10
100
CURRENT (I/Ipu)
TR
IP
TIME
(sec)
MULTIPLIER
489
IAC INVERSE
808810A4.CDR
GE Multilin
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