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Save the Children € ™ s future â € "using solar panels
Solar panels work of converting sunlight into electricity. Science behind this conversion is known as photovoltaic technology. Photovoltaic cells or solar cells as they are more commonly are the main components of any residential solar energy system.
Photovoltaic (PV) produces electricity directly from the electrons that are released when sunlight reaches the surface PV cell and interacts with the semiconductor material in the photovoltaic cell. These cells connect to form a photovoltaic module, which is the component smaller PV sold commercially. The PV modules range in power from 10 watts to 300 watts.
The raw material for the solar panel is silica (sand). The manufacturing process removes all impurities and defects, and results in a population of solar grade silicon supply. From then on silica is coated with boron or phosphorus to adjust the frequencies of light silica responds to.
When sunlight hits the solar cell with enough energy for photons hit electrons in the free light crystalline silicon structure forcing them through an external circuit or Direct DC Load and return across the solar panel start the process again (hence the source of renewal).
The flow of freed electrons results in a voltage output of approximately 0.5 V by a single crystalline solar cell. The amperage output is directly proportional to the cell surface â € "7amps a solar cell about 6 inches square. Normally, you will see 30-36 cells connected in series or in parallel with other solar modules from a solar panel to charge your battery bank fully within your solar energy system.
The PV module produces direct current (DC), but your home uses alternating current (AC). Therefore, solar panels require a converter included in the system to convert direct current to alternating current. This is accomplished with an inverter, a special piece of equipment that converts the current constant or changes to AC.
Once the solar panel (the collection of interconnected solar panels in their solar power system) starts producing electricity you can use electrical energy, store it for later use or sell back to your local utility if your system is connected to the network. Back to Sale Utility refers to net metering.
As more and more homes convert to solar energy can expect to see great improvements in the efficiency of cells solar just as experienced improvements in gas mileage on cars with carburetors, fuel injection, etc.
In order to store electricity unused for later use, it will be necessary to make the batteries in the solar system. These batteries have the same purpose as the batteries in a car. Every time you start your car, the ignition is using the energy stored in the electric battery to power the starter motor. Have you ever tried to turn your car and nothing happens? If the starter is working properly, we know that the battery is dead and no power available to power the motor starter which in turn starts the motor.
Solar batteries store the excess PV electricity until needed at a later time to run your appliance or lights, etc. Once the batteries are fully charged you need to turn off any power of entry or it can be dangerous. Solar batteries DC are just like your car battery. This means that the batteries are installed in your solar system between the solar cells and inverter.
Note: You will be better off purchasing the best deep cycle batteries you can afford. Industrial deep cycle batteries can cost $ 200 each, but have a life expectancy of 5-8 years. Your car's battery will only last a year in deep cycle applications.
It is worth noting that despite Lead acid batteries are not environmentally friendly, the alternative of relying on fossil fuels is a poor choice.
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