Schweitzer Engineering Laboratories SEL-421-4 - Figure 5.54 Logic that Determines Positive-Sequence Impedance Trajectory (EOOS = Y1)

5.70
SEL-421 Relay Instruction Manual Date Code 20171021
Protection Functions
Out-of-Step Logic (Zero Settings)
Figure 5.54 Logic That Determines Positive-Sequence Impedance Trajectory (EOOS = Y1)
IA1LFM
50ABC
X1T7_C
X1B7_C
R1R7_C
R1L7_C
X1T6_C
X1B6_C
R1R6_C
R1L6_C
R1RB_C
R1LB_C
Re (Z1)
Im (Z1)
3PO
ILOP
50ABCP
(setting)
X7ABC
X6ABC
UBOSB
UBOSBD
0