Sel 411L - Figure 3.52 Phase Elements Operating Times-Serial Communication; Figure 3.53 Negative-Sequence Elements Operating Times-Serial Communication

P.3.100
SEL-411L Relay Protection Manual Date Code 20151029
Protection Functions
87L Differential Elements
Figure 3.52 Phase Elements Operating Times—Serial Communication
Figure 3.53 Negative-Sequence Elements Operating Times—Serial Communication
0.6
0.8
1
1.2
1.4
1.6
1.8
0 2 4 6 8 101214161820
Time (cycles)
Multiples of Pickup
Phase Elements
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0 2 4 6 8 10 12 14 16 18 20
Multiples of Pickup
Time (cycles)
Negative-Sequence Elements