solar power tower technology
We live on a planet with solar energy. Virtually all the energy we use comes – finally – from the sun.
Fossil fuels, including oil, coal, and natural gas, originated from ancient biomass was based on the photosynthesis fueled by sunlight.
Most of our renewable energy also begins with the sun. Wind energy is mainly driven by convection currents created by the rays of the sun warming land and sea. biofuels, including bioethanol and biodiesel, beginning with the plants using the sun energy for photosynthesis. Hydropower – If the dams or power turbines – is based on the downward flow of water that fell as rain or snow, but originally it evaporates from lakes and oceans due to heat of the sun.
More obvious are the applications of solar photovoltaic and solar thermal.
Solar Thermal
The sun is a giant nuclear fusion reactor with a surface temperature of over 5,000 degrees Celsius (9,000 degrees Fahrenheit). Of course, only a tiny fraction of its energy comes to Earth, and only part of that energy is heat. But we can use the heat by opening our curtains on a winter day that the sun from heating the house. Or we can put a roll of black pipe on the roof of our house with running water through it to provide hot water.
Use heat the sun to produce electricity is only slightly more complicated. Focus the sun's rays in a container of water to turn water into steam pressure. Use the steam to drive a turbine, which drives a generator producing electricity.
A large-scale solar thermal systems often consist of hundreds or even thousands of mirrors flat focusing the sun's rays on the central towers, along valleys or concave mirrors focused on the tubes. Such arrangements can produce power in the range of 100 megawatts or more, much less the fire of coal and nuclear plants, but with none of the environmental risks.
Photovoltaics
A more direct method of producing electricity from the sun's solar photovoltaic energy. This technology is based on the properties of certain materials to act as photodiodes. When photons of light strike the material, electron energy, producing a DC power. Although each interaction produces very little, the flow can be combined in ways that cells and cell arrays can deliver a substantial power. Like solar thermal, large solar panels photovoltaic can cover thousands of square feet and cost millions of dollars.
Putting to use Solar
Advances in own independent power utility network. Rooftop solar panel kits that include an inverter to convert the AC panel in homes today are available supply and the creation of online retailers for a few hundred dollars.
To help meet the commitments made in agreements international strategies to reduce greenhouse gas emissions, many governments promote public participation in renewable energy projects through tax incentives, subsidies, rebates and interest free loans to people to create their own solar and wind projects.
Smart meters may allow homeowners or businesses to produce a part of the energy they use, and even sell surplus energy to the electricity grid.
Setting up their own solar system is not difficult, but you should be aware of local laws that regulate the size and type of installation allows. There may also be insurance problems if you plan on mounting the panels on the roof. In addition, seeking and obtaining government incentives can be a complex process. Hence, may be advisable to seek advice from a qualified consultant specializing in small scale systems of renewable energy.
The sun is a matchless gift to shine for everyone. All we need do is implement it.
