(Untitled) (Untitled)(Untitled) (Untitled)(Untitled) (Untitled)(Untitled) (Untitled)(Untitled)Examples




IEVref:448-14-29ID:
Language:enStatus: Standard
Term: restricted earth-fault protection
Synonym1: ground differential protection (US)
[Preferred]
Synonym2:
Synonym3:
Symbol:
Definition: protection in which the residual current from a set of three-phase current transformers is balanced against the residual output from a similar set of current transformers or, more usually, from a single current transformer located on the earthing connection, if any, of a neutral point

NOTE – This term is also used when the neutral of the protected plant is unearthed i.e. neither a second set of three-phase current transformers nor a current transformer in the neutral connection is needed to restrict the protected section.


Publication date:1995-12
Source:
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: