Figure 2-23
Logic diagram for the directional relay element 67-1 for phases
The dropout delay does only function if no inrush was detected. An approaching inrush resets an already
running dropout time delay.
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
2.3 Directional Overcurrent Protection 67, 67N
Functions
101