GE 735

GE Power Management
735/737 Feeder Protection Relay 5-23
5 OVERCURRENT CURVES 5.5 IEC CURVES
5
Figure 5–11: IEC A CURVES
735/737 IEC-A CURVE
(NORMAL INVERSE)
1000
100
10
1
0.1
0.1
MULTIPLE OF PICKUP CURRENT (PER UNIT)
TIME IN SECONDS
1 10 100
803653A4.CDR
1 0.1
2 0.2
3 0.3
4 0.4
5 0.5
6 0.6
7 0.7
8 0.8
9 0.9
10 1.0
CURVE MULTIPLIER
735 IEC
FACEPLATE EQUIVALENT
GE POWER MANAGEMENT