GE 735

GE Power Management
735/737 Feeder Protection Relay 5-25
5 OVERCURRENT CURVES 5.5 IEC CURVES
5
Figure 5–12: IEC B CURVES
735/737 IEC-B CURVE
(VERY INVERSE)
1000
100
10
1
0.1
0.01
0.1
MULTIPLE OF PICKUP CURRENT (PER UNIT)
TIME IN SECONDS
1 10 100
803652A4.CDR
10.1
10 1.0
CURVE MULTIPLIER
735 IEC
FACEPLATE EQUIVALENT
20.2
30.3
40.4
50.5
60.6
70.7
80.8
90.9
GE POWER MANAGEMENT