Name Type Description
189REL BOOLEAN Switching of 189 is allowed
189ITL BOOLEAN Switching of 189 is not allowed
289REL BOOLEAN Switching of 289 is allowed
289ITL BOOLEAN Switching of 289 is not allowed
789REL BOOLEAN Switching of 789 is allowed
789ITL BOOLEAN Switching of 789 is not allowed
189GREL BOOLEAN Switching of 189G is allowed
189GITL BOOLEAN Switching of 189G is not allowed
289GREL BOOLEAN Switching of 289G is allowed
289GITL BOOLEAN Switching of 289G is not allowed
989GREL BOOLEAN Switching of 989G is allowed
989GITL BOOLEAN Switching of 989G is not allowed
189OPTR BOOLEAN 189 is in open position
189CLTR BOOLEAN 189 is in closed position
289OPTR BOOLEAN 289 is in open position
289CLTR BOOLEAN 289 is in closed position
789OPTR BOOLEAN 789 is in open position
789CLTR BOOLEAN 789 is in closed position
1289OPTR BOOLEAN 189 or 289 or both are in open position
1289CLTR BOOLEAN 189 and 289 are not in open position
VP189TR BOOLEAN Switch status of 189 is valid (open or closed)
VP289TR BOOLEAN Switch status of 289 is valid (open or closed)
VP789TR BOOLEAN Switch status of 789 is valid (open or closed)
VP1289TR BOOLEAN Switch status of 189 and 289 are valid (open or closed)
14.2.11 Interlocking for transformer bay AB_TRAFO (3)
IP14149-1 v2
14.2.11.1 Identification
GUID-AD839CAA-531B-43BC-B508-39AED3D0A97D v3
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Interlocking for transformer bay AB_TRAFO - 3
14.2.11.2 Functionality
M13567-3 v7
The interlocking for transformer bay (AB_TRAFO, 3) function is used for a transformer bay
connected to a double busbar arrangement according to figure 429. The function is used when
there is no disconnector between circuit breaker and transformer. Otherwise, the interlocking for
Section 14 1MRK 502 066-UUS B
Control
818
Technical manual
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