APPLICATION OF COMPOSITE INSULATORS FOR OVERHEAD
COMPACT LINES
(1991)Abstract
In the majority of the industrialized countries, the
reduction of the Right of Way (RoW) of H.V. overhead
lines and the search for minimum environmental
impact have become two of the primary objectives of
transmission system designers.
The introduction of compact transmission lines
allows the possibility to upgrade line voltages on
the same RoW, when new corridors are not available
or too expensive.
The efficient use of composite insulators on
overhead compact lines, also allows new concepts of
compaction to be considered with better performances
and more attractive cost-effectiveness.
The paper shows typical configurations of compact
insulating crossarms and different types of crossarm
ends.
A systematic study, carried out for compact HV and
EHV lines, with different mechanical and electrical
parameters, gives the main application criteria of
these insulating crossarms up to 525 kV.
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