IEVref:
448-15-11
ID:
Language:
en
Status:
Standard
Term:
permissive underreach protection
Synonym1:
PUP (abbreviation)
[
Preferred
]
Synonym2:
permissive underreaching transfer trip protection (US)
[
Preferred
]
Synonym3:
PUTT (US) (abbreviation)
[
Preferred
]
Symbol:
Definition:
protection, generally distance protection, using telecommunication, with underreach protection at each section end and in which a signal is transmitted when a fault is detected by the underreach protection. Receipt of the signal at the other end initiates tripping if other local permissive protection at the other end has detected the fault
See figure 448-5.
X
Publication
date
:
1995-12
Source
Replaces:
Internal notes:
2012-12-18: Corrected for conformity with standard: terms and synonyms correctly structured; source content transferred to definition field. JGO
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5:
protection, generally distance protection, using telecommunication, with underreach protection at each section end and in which a signal is transmitted when a fault is detected by the underreach protection. Receipt of the signal at the other end initiates tripping if other local permissive protection at the other end has detected the fault
See figure 448-5.
448-fig5-en.gif