Schweitzer Engineering Laboratories SEL-321 - Figure 2.14: Zone 1 Quadrilateral Ground Distance Element Logic

Date Code 20011026 Specifications 2-59
SEL-321/321-1 Instruction Manual
Figure 2.14: Zone 1 Quadrilateral Ground Distance Element Logic
Figure 2.15: Zone 2 Quadrilateral Ground Distance Element Logic
Figure 2.16: Zone 3 Quadrilateral Ground Distance Element Logic
Figure 2.17: Zone 4 Quadrilateral Ground Distance Element Logic