Solar Power How It Works

solar

 

 

Article by

Robert Allan

 

Solar Power How It Works 

  

 

Solar-How it works seems a mystery to some, but we all see that it’s used to power everyday things like calculators. It is also used to power appliances and lights used in our homes.

The utility companies even use solar energy to power hundreds of houses with electricity.

If you decide to convert your house to a solar electric system, you will receive free power from the sun, once your system is installed.

Here are two questions most frequently asked on solar power how does it work?

How is solar energy used?

  1. Solar energy works by converting sunlight into electricity, with the use of solar module panels, which can power appliances used in the home.
  2. Solar energy works by converting sunlight into heat with the use of solar thermal collectors to heat water, for example hot water or a swimming pool.
  3. Solar thermal energy is used to boil water making steam to drive electric gererators.
  4. Solar energy works by converting sunlight into hot air to heat buildings with the use of solar thermal collectors

How solar modules work?

  1. The suns rays hit the solar panel (also known as photovoltaic / PV) and are absorbed by semiconducting materials such as silicone.
  2. Electrons are ejected from their atoms in bulk, which allow them to flow through the material and produce electricity. This process whereby light (photo) is converted into electricity (voltage) is called the photovoltaic (PV).
  3. A network of solar cells convert solar energy into direct current (DC) electricity.
  4. The current then enters an inverter.
  5. The inverter converts direct current into 120 or 240 volt AC (alternating current) electricity used by most home appliances.
  6. The alternating current flows from the invertor to the utility panel in the house.
  7. The electricity (load) is then distributed to appliances or lights in the house.
  8. When more solar energy is generated than you use, it can be stored in batteries as DC electricity. The batteries will continue to provide your home with electricity in the event of a power outage or at night.
  9. When the batteries are full any excess electricity can be exported to a utility network, if your system is connected to it.
  10. Utility supplied electricity can also be drawn form the grid when there is not enough solar energy produced and no excess energy is stored in the batteries, ie at night or on cloudy days.
  11. The flow of electricity in and out of the grid is measured by an energy meter, running back (when you produce more energy than you need) and forward (when your need for additional electricity from the power company). The two are offset ensuring that you only pay for the extra energy that you use from the power company. Any surplus power is sold to the utility company. This system is called “net metering”. 

About the Author

The author hopes to get people interested about the benefits of using solar energy through this website. There are lots of other posts on this website and don,t forget to download the 2 free books on this page. 

Robert Allan 

 

 

1 Comment

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