GE 735

GE Power Management
735/737 Feeder Protection Relay 5-9
5 OVERCURRENT CURVES 5.2 ANSI CURVES
5
Figure 5–4: ANSI EXTREMELY INVERSE CURVES
735/737 ANSI
EXTREMELY INVERSE CURVE
100
1000
10
1
0.1
0.01
0.10.01
MULTIPLE OF PICKUP CURRENT (PER UNIT)
TIME IN SECONDS
110
100
803661A4.CDR
1
2
3
4
5
6
7
8
9
10
TIME MULTIPLIER
GE POWER MANAGEMENT