P44x/EN AP/Hb
MiCOM P40 Agile P442, P444
(AP) 5-
Figure 55: Current reversal in double circuit lines zones blocking / unblocking with
power swing or reversal guard
During the reversal guard logic (in the case of parallel lines with overreaching teleprotection
scheme - Z1x>ZL), the reverse direction decision is latched (until that timer is elapsed) from
the change from reverse to forward fault direction.
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