GE 735 Instruction Manual page 87

5 OVERCURRENT CURVES
GE POWER MANAGEMENT
1000
100
10
0.1
0.01
GE Power Management
1
0.1 1
MULTIPLE OF PICKUP CURRENT (PER UNIT)
Figure 5–12: IEC B CURVES
735/737 Feeder Protection Relay
735/737 IEC-B CURVE
(VERY INVERSE)
CURVE MULTIPLIER
735
FACEPLATE
10
9
8
7
6
5
4
3
2
1
10
5.5 IEC CURVES
5
IEC
EQUIVALENT
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
100
803652A4.CDR
5-25