Functions
2.3 Directional Overcurrent Protection Ground 67, 67N
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
91
Figure 2-21 Logic diagram of the directional overcurrent element 67N-1
If parameter 1613 is set to 67N-1 instant. and manual close detection applies, the trip is initiated as soon
as the pickup conditions arrive, even if the element is blocked via a binary input.
The dropout delay only functions if no inrush was detected. An incoming inrush will reset an already running
dropout time delay.
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