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- Environment ministry wants to restore night traffic through Bandipur tiger reserve 52
- A green facade 44
- Diesel: when bad policy makes for toxic hell 38
- Gujarat pollution board gets a makeover in efficiency 33
- What’s good insulation? 30
- How vulnerable are India's nuclear power plants to disaster 28
- Grand distraction called river interlinking 28
- Eat at your own risk 27
- Green energy takes toll on green cover 26
- Temporary solution, permanent jam 25
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Science & Technology
Solar cooler
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Issue Date: Oct 31, 1995
Designed to
preserve essential
and vaccines in
remote villalps I
ing electrical
power, a solar rdri
ator has been
developed by
research and
development wim
Bharat Heavy
Electricals Lisni
Hyderabad, under
the World Hs
Organization
specifications.
The solar
refrigerator is di
ent from a
conventional
refriger
in that it is
powered by a ph
voltaic (PV) module
of 350 W ca
ity, having 10
modules of 1
capacity each. This
PV arraty cha
a bank of
batteries, through
a
tery charge
controller, which
in
drives a DC motor
which is dir
linked to the
compressor of
refrigerator. A
165-litre refriges
costs about 1.95
lakhs.
O
P
E
N
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