Energising
Solutions with Plastics
For
use of polymers as an alternate to existing materials like sheet metal
and insulators features like electrical voltage withstand, thermal
stability at operating temperatures, tensile strength etc. are factors
that would define its acceptability as a replacement.
Inherent features like weather-abil ity and
light weight along with the fact that its scrap value is negligible
in comparison to metal make it an attractive proposition for use as
enclosures for sub-station switchgear, junction boxes, meter boxes,
meter covers, switch enclosures and street light looping boxes, say
D.R. Sukhtankar & Ricky Uchil in dialogue with ET Polymers
#
How can private sector contribute in changing the power distribution
scenario in India?
The changing scenario provides an opportunity for active involvement
of the private sector in power distribution sector. Private sector
would lead to a more effective and result oriented approach towards
the functioning of a distribution utility and thus lead to better
reliability and over all improvement.
# Which
are the major areas in which plastics are used in the power distribution
sector? Can you name some types of the plastics used?
Polymers have already emerged as a low cost and easily maintainable
alternate to impregnated paper insulation in cables. Initially, PVC
and now XLPE are the common insulation medium in power cables. Polymers,
with requisite additives can be designed to exhibit properties like
fire retardancy, termite resistance, UV resistance etc. and hence
are being actively considered as a replacement to sheet metal for
equipment enclosures. Inherent features like weather-ability and light
weight along with the fact that its scrap value is negligible in comparison
to metal make it an attractive proposition for use as enclosures for
sub-station switchgear, junction boxes, meter boxes, meter covers,
switch enclosures and street light looping boxes. Use of reinforced
polymers can also be considered for more robust sub-
....contd.
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