Posts Tagged ‘solar energy pros and cons’
Solar Energy Pros And Cons
Saturday, January 28th, 2012
The Pros And Cons Of Wind Turbine Energy Devices by Victoria Norton
Almost everybody is aware of what a wind turbine is and the way they produce energy, however for those whom don’t know I will explain. A regular wind turbine is a tall tower that has blades hooked up to a rotor. Any time the wind blows the generator the blades make the rotor spin and the movement of the rotor forces the generator within the turbine generate power. The generator is a common design consisting of magnets and copper cables. It is a rather easy technique.
There has to be sufficient wind to turn the blades for these generators to create electricity. The reason why turbines are built so extremely high is to take advantage of the more robust winds found at greater altitudes. This height allows the rotor to receive more exposure to the wind and therefore create a lot more electricity. All of this doesn’t matter if there was actually no wind to begin with. Historical weather information is carefully analyzed to choose sites that will supply sufficient continuous winds for the turbines. Many coastal locations are ideal due to reliable high winds. While wind speed is the most vital variable to measure, wind direction will also have an impact on the efficiency of the installation. To adapt to varying wind directions, the turbines are designed to continually face into the wind, irrespective of direction.
Wind turbines can produce quite a lot of energy; one turbine may generate electricity for one house, or maybe they can be used to power machinery which in turn does something like grinding grain. You can also place the electricity into batteries for when there is no wind. One concern is the number of years needed for the installation costs to be recovered in power savings. In areas with continual winds, turbines can easily generate energy around the clock. Wind turbines can produce as much energy at night as during the day, lowering the battery storage requirements in some cases. Another excellent thing about wind turbines is that these are generally eco-friendly as they produce absolutely no pollution. More turbines can reduce the causes of global warming which in turn threaten the planet nowadays. The energy source is likewise Renewable, just like solar energy, because there is always wind blowing. Thus there is always likely to be energy created by the turbines.
Although they have got a lot going for them, there are some drawbacks to consider. Their height makes them stand out, and some people say they’re ugly for this reason. Many government authorities choose to put wind turbines on coast areas and out to sea due to the large amounts of wind in these areas, but many people complain saying that they blight the surroundings. Noise pollution is yet another complaint because of the friction of the rotor against the shaft when it spins. Wildlife enthusiasts complain that birds and bats are killed by them. The reason stated for bats flying into wind turbines is that the movement in the air disrupts their proficiency to hear and see with sonar. While these occurrences are rarely documented they do happen.
The overall advantages of wind turbines seem to outweigh the disadvantages right now. Wind turbines offer remarkable promise for generating clean, replenishable and safe energy, with handful of serious downsides.
About the Author
Victoria’s websites: Kilz Paint, Organic Cotton Fabric, Ebony Wood — Wood Directory and Vintage Stove.
solar energy pros and cons
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Facts About Nuclear Power: Living With The Atom (1957) $9.99 What is atomic energy? We tend to think of atomic energy as a new concept revolutionized by the destruction of the atomic bombs that were dropped on Hiroshima and Nagasaki. But atomic energy has been around since the dawn of time. This is exemplified by the sun that gives us light and warmth, which is created with atomic energy. But the notion that energy is the equivalent of mass was a radically … |
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