IEVref:
448-15-02
ID:
Language:
en
Status:
Standard
Term:
non-unit protection using telecommunication
Synonym1:
directional comparison protection (US)
[
Preferred
]
Synonym2:
Synonym3:
Symbol:
Definition:
non-unit protection in which signals are transmitted by telecommunication to trip permissively or to intertrip remote circuit-breaker(s) for an internal fault or to block tripping for an external fault
Refer to figures 448-5 to 448-10 inclusive.
X
X
X
X
X
X
Publication
date
:
1995-12
Source
Replaces:
Internal notes:
2012-12-18: Corrected for conformity with standard: source content transferred to definition field. JGO
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
non-unit protection in which signals are transmitted by telecommunication to trip permissively or to intertrip remote circuit-breaker(s) for an internal fault or to block tripping for an external fault
Refer to figures 448-5 to 448-10 inclusive.
448-fig5-en.gif
448-fig6-en.gif
448-fig7-en.gif
448-fig8-en.gif
448-fig9-en.gif
448-fig10-en.gif