Areas of the commonwealth have received different classifications based on wind speed. A wind speed of 11 miles-per-hour will produce 30 percent more energy than a wind speed of 10 miles-per-hour. The energy in wind is a cube of its speed. Wind speed is an important variable in determining how much electricity a turbine produces. The remainder of the turbine consists of equipment to control the turbine and connect it to the electricity grid so that the power can be used. The rotor and nacelle rest on top of a tower that can range from 30 feet to over 200 feet tall. The nacelle contains the drive train (including the electrical generator). The wind turbine rotor, rotating as the blades are pushed by the wind, drives a shaft inside the nacelle (shell) of the wind-turbine (or electricity-generating motor that is located directly behind the blades). On a wind turbine, the large blades, or rotor, of the turbine capture the wind's energy and begin turning. But consonant with modern interests, our focus is on using wind for electricity generation.Įlectrical energy is produced from wind by wind turbines mounted on towers, similar to the small unit in the photograph shown below. Here for reasons of historic interest we include wind-operated mechanical windmills that traditionally were used as water pumps or to mill grain. When wind hits the sail, it's converted into motion that carries the craft over the water. The sail on a boat is among the most common examples. Wind power, in its most basic form, is taking the breezes and winds that you feel on your face or that cause a flag to flap and converting it into energy that can be used in other processes. The text below is adapted from that source: Wind Energy Systems & Wind Turbine Controls & Circuits What is Wind Energy and How is Wind Power Generated?Īccording to the Pennsylvania DEP who provide a brief introduction to wind power, wind energy systems are mechanical or electro-mechanical equipment that turn the force of moving air (wind) into mechanical energy (such as operating a mechanical pump to lift water from a well into a reservoir) or into electrical energy (operating a wind turbine or motor that converts the rotation of a wind-turned shaft into electrical energy). ![]() We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. ![]() ![]() Our page top photo shows a wind generator installed by Aero-Solar in San Miguel de Allende, Mexico where by 2010 many local solar & wind power companies offered wind turbine and solar power generation installation services. This article describes common types of windmills used for water pumping and electrical energy generating, from Cretan wind sails to Dutch Windmills to modern wind turbine electrical generator systems. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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