Schweitzer Engineering Laboratories SEL-321 - Figure 2.32: Directional Comparison Unblocking Scheme Logic

2-72 Specifications Date Code 20011026
SEL-321/321-1 Instruction Manual
Figure 2.32: Directional Comparison Unblocking Scheme Logic
Figure 2.33: Directional Comparison Blocking Scheme Logic - 1 of 2
Figure 2.34: Directional Comparison Blocking Scheme Logic - 2 of 2