INCOMING
INRUSH
ID> BLOCKEDID> BLOCKED
BLKD2H_LOC
RED 615RED 615
Phase 1 current
Phase 1 differential current
Low trip value
GUID-817BC757-05A6-4888-9DE5-E53C59456718 V1 EN
Figure 246: Blocking of line differential functions during detected transformer start-up
current
If the protection stage is allowed to start during the inrush situation, the time delay can be
selected so that the stabilized stage does not trip in the inrush situation.
4.3.1.7 Signals
Table 424: 87L Input signals
Name
Type Default Description
I_LOC_A SIGNAL 0 Phase A local current
I_LOC_B SIGNAL 0 Phase B local current
I_LOC_C SIGNAL 0 Phase C local current
I_REM_A SIGNAL 0 Phase A remote current
I_REM_B SIGNAL 0 Phase B remote current
I_REM_C SIGNAL 0 Phase C remote current
Table continues on next page
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 495
Technical Manual
To Next Page
Loading...
