On The Cutting Edge Of Eco-Friendly Energy: The Solar Electricity System

Ever since Edison gave us the light bulb, our lives have been illuminated in more way than we could have ever imagined. Behind the power of electricity are the thrills of new discoveries and the dreams of future inventions that seem endless. Electricity it literally makes the world go round and we have come to depend on it like the water we drink every day. Businesses thrive and industries grow around the commodity of electricity which the public demands seems to multiply like cells divide. Could we ever live without it? Could we still maintain the level of communication that seems to outpace our needs? I Think Not. Yes it is a given that coal, oil, natural gas and even nuclear material have provided the means to generate the electrical power thus far. However, these resources are limited and are they really Eco-friendly? That is why we are waking up to the reality that we must find and use cleaner and safer sources for energy. Well I'm here to tell you that our future is very bright and I really mean it, just look up to the sky after day-break. Yes my friends, using the sun's unceasing energy we are able to produce all the power we need by means of a solar electricity system.

Utilizing the sun's power by continuous and reflected light solar electricity systems work very efficiently. By using wafer thin pieces of semiconductor materials like silicon or crystalline gallium arsenide better known as solar cells or PV (photovoltaic) cells, technology enables us to exchange the sunlight for electricity. Using basic electronic circuits the PV cells are connected in series and parallel to produce affordable electricity. Would you believe that 20 or 30 cents per kilowatt/hour is a reasonable price? Our scientists have been using this type of power for decades. We rely on this technology more than you may think, from communication satellites that orbit the earth to probes that send us critical information about the vastness of space, all are powered by solar cell systems. Compared to more traditional fossil fuel generation plant, solar electricity systems offer an eternal Earth-friendly use of a free resource. Given the fact that the sun only shines for a given period each day and our planet orbit create seasons, the effectiveness of solar cells can be fairly low. In order to efficiently use solar converted electricity, which is DC (Direct Current) we use converters that transform it to AC (Alternating Current), the common form that we have come to know.

Energy from the sun can be used in other ways too. Solar radiation includes an energy spectrum of infrared light waves which are longer and generate heat in dense materials. This energy can be focused and directed to heat and even boil specific liquids including water to run turbines which drive electric generators. Using a highly reflective surface shaped to bounce the solar radiation into a specific area is better known as a parabolic trough. This technology enables the concentrated radiant solar energy onto a receiver which contains a thermal transfer liquid. The heated liquid drives a turbine-generator by releasing its heat and is returned to the receiver to be re-heated again. Systems such as these work very well in hot arid desert locations. Solar radiation is converted more efficiently with this type solar electric system. To optimize the productivity of systems such as these, solar dishes and power generation towers are implemented.

As we have evolved from primitive energy sources of coal, oil and natural gas our understanding of their use has become evident. Considering the ecologic effects of using fossil fuels using cleaner and sustainable energy sources has a greater benefit to all life of the planet. Long before there was ever a need for electricity, plants have always utilized their unique ability of photosynthesis to harness the suns energy harmoniously, why can't we? Our society is at the age of technology and information and we have a responsibility to use it wisely. By modeling our environment and using solar energy such as the live sustaining vegetation of the earth, there is no reason to dig into the earth for our energy needs. Every day is filled with an endless amount of energy from the sun and solar electricity systems can achieve our needs.

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4 Key Parts Needed For Solar Power Electricity

Solar power electricity installations are gaining moment all over the world. Stock of fossil fuels is fast depleting and alternate natural energy solutions, like solar power electricity is becoming popular.

Natural energy solutions are environment friendly with little or no air pollution and no emissions or greenhouse effects. Solar power electricity production is also free of noise pollution.

How is solar power electricity produced?

It is produced by converting light from the sun into electrical energy using a silicon wafer / semiconductor called a photovoltaic cell. This technology is simple and easy to maintain.

What are the main parts of a typical residential solar power electricity system?

A typical residential system would have 4 key Parts:

1) Solar panel array

2) Charging controller

3) Batteries

4) Inverter

Solar panel array: Solar panel array is made up of several solar panels. A series of photovoltaic cells working in unison in a module form the solar panel. The solar panel array needs to be exposed to sunlight, and the array is normally installed on rooftops where sunlight exposure is more. The solar array converts light energy into solar power electricity. Electrical energy in the form of 12 volts (DC) is produced by the solar panel array.

Charging controller: The charging controller is the device that controls the amount of charging for the batteries. Batteries should not be overcharged, neither should they be undercharged. This device, which sits between the solar panel array and the battery bank, controls the charging.

Batteries: These are deep cycle batteries used for storage of solar power electricity produced by the solar array panel. The 12 volts (DC) produced by the solar panel array is stored in the batteries. The charging controller regulates charging, thus extending the life of these batteries.

Inverter: The output from batteries is 12 volts (DC) and can run only devices that work on 12 volts (DC). Most home appliances work on 110 / 220 volts (AC). Hence 12 volts (DC) needs to be converted into 100 / 200 volts (AC). The inverter does the job of converting 12 volts (DC) into 110 / 200 volts (AC).

Along with these four main components several other hardware accessories, wires and connectors would be required to have the complete solar power electricity system functional.

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Solar Power Home Electricity: A System on the Frontier of Renewable Energy

There is no denying that for the past 110 years, electricity has been the key in providing the resources for the comprehensive developments and advancement achieved by mankind. Now, we look for systems that push forward renewable energy. Solar power home produced electricity is one energy source system.

Look all around us, and you will see that there are new technologies and inventions being developed with a dependence upon electricity. In addition, as the expansion of the world's economy amplifies so does the huge requirement for electricity. This massive demand is being met by hydroelectric generators, nuclear stations, solar farms, wind systems and other conventional methods of producing electricity.

Electricity producing methods of fossil fuels like coal and oil so far have given us the basic assets to create electricity with the use of steam turbine generators in utility power facilities. However, these techniques have been confirmed to be dangerous to the living ecosystems on earth, and have been mathematically shown to be a limited source of energy. In other words, fossil fuels for generating electricity are not renewable.

You would have to agree, in our present world, we cannot live without electricity. Our demand for electricity power is increasing almost daily and we clamor that new research which will lead us to the creation and expansion of safer and cleaner energy sources. Just as mentioned earlier, solar power home produced electricity is one valuable energy source system.

Basically, in use today for harnessing solar power energy, the two methods of employing solar electricity systems are indirect and direct.

Direct methods

use photovoltaic cells, termed solar cells.
made from wafer-thin slices of crystalline gallium arsenide, silicon, or other semiconductor materials which transfers solar radiation into a flow of electrons or electricity.
solar cells are connected in large numbers into clear anodized aluminum alloy and glass flat panels.
modern advancement of solar photovoltaic power cell panels has reduced cost of electricity to 20 - 30 cents per kilowatt-hour.
solar technology has been used from the beginning of space exploration to provide electricity energy to satellites both that orbit the earth and travel out into far deep space.
solar electricity systems provide a long-term and sustainable energy resource because there are no moving mechanical parts.
solar cells have relatively low efficiency rating.
solar power panels are dependent on the time of day, weather conditions and often seasonal changes.
solar electricity systems need to have an inverter to switch the DC voltage into AC current in order to be consumed in commercial enterprises and in homes.

Indirect methods

concentrates solar radiation into a focus so that the energy heats to boiling liquids (often water) which in turn drives turbines to rotate in magnetic field and produces electricity
employment of a parabolic trough that is made up of a linear parabolic reflector to concentrate solar energy into a receptor positioned on a focal line from the receiver; then, tubing connected to the turbine filled with liquid that takes in the heat generated through the application of the solar energy
this type of solar electricity generating systems has a higher efficiency because the sun's radiation is pinpointed utilized.
other developed technologies extend the indirect power generating efficiency rating by using solar energy towers along with sun reflecting dishes

We have realized through experience that even though fossil fuels are power producing beneficial, they are used with long-term negative consequences.

These realizations of negative outcomes have moved us towards a trend of renewable, non-pollutant sustainable energy to help guarantee life on earth is continued.

Plant life has used solar energy since time immemorial, so why can't we as intelligent human beings harness this solar power without negative consequences.

In many popular opinions, the big energy companies seem to be holding back progress, and in the intervening period, also are digging up the earth and polluting the oceans. It's up all earthlings to start looking to the heavens.

Solar power and wind generated electricity systems provide the methods to achieve the goal of sustainable living.

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