Clarifications on the local/remote concept 3/8
Include a statement
IEC 61850-7-1 Ed2.1,7-5
Add a statement about the use of XCBR.Loc (and similar LN classes). Assume XCBR.Loc="true". Will protection trips and switchgear controls by GAPC be rejected?
Not affected by Loc DO:
- Protection trips are not affected by Loc data object.
- GAPC.Op (will go through) --> PTRC.Tr (to trip) --> XCBR
Otherwise, they are affected by Loc DO (control model)
- GAPC SPC/DPC/APC controllable objects will be affected by Loc data object.
The proposal is to include a statement about this behaviour in 7-1. There is a section about local/remote in 7-1, maybe it is the good place for that.
Trip signals e.g. communicated by GOOSE are not affected by Loc.
This includes trip signals direct from protection logical nodes or PTRC.
A GAPC.Op status routed as an input to PTRC will not be affected by Loc.
When GAPC or any other logical node uses control services to activate SPC/DPC/INC/ENC/APC controllable objects in a destination logical node, then these commands may be affected by the local/remote status of the destination logical node and containing logical device(s).
See Feature #5082