Temperature Control With Solar Panels
(M. SABARINATH)
While solar energy is most often associated with the production of
electricity, heating is also a major platform. Temperature control is the key
to an efficient system.
Temperature Control with Solar Panels
The sun produces a ton of energy, but solar panel systems have historically
been very inefficient at converting it. With improving technology, efficiency
has improved to the point where most panel systems can easily produce enough
energy to heat water for the home and pools. Obviously, controlling the heat
production is a key element of this process.
Solar heating control systems come in a variety of forms. Most are designed
to work on temperature differential strategies. Temperature differential
controls work by using two sensors. The first is located close the panels being
used to heat the water or liquid substitute. The second is located on or close
to the liquid return valve into the panel system. Put in practical terms, one
sensor measures the temperature of liquid set to leave the panel while the
other measures the temperature of liquid coming into the panel.
The process works by waiting for temperatures to rise to a temperature
determined by you. Once the liquid meets the temperature, the sensors trigger a
computer to turn on the circulation pump and move the liquid to the desired
location. Once the return valve sensor notes the temperature of the returning
water is within a particular range of the liquid in the panel system, the pump
is shut off.
Controlling temperature and efficiency is important in any heating system,
but particularly in solar platforms. Although particular designs may vary from
the above description, they all serve an important function. By regulating
temperature, controllers make your panel system much more efficient. Pump use
and abuse is cut down and temperature increases are quicker.
Solar solutions are coming to the front of the energy debate for many
residences. Countries like Germany are making huge investments in solar platforms
and technologies. Solar can be a cost-effective solution for you as well. Just
keep in mind that efficiency is a must if you are pursuing solar water heating.
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