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Brief Wind generator

Cindy / 2013-10-06
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 wind generator is a device that generates electrical power from wind energy.

Wind generators have traditionally been wind turbines, i.e. a propeller attached to anelectricgenerator attached to appropriate electronics to attach it to the electrical gridor to charge batteries.

Wind generators outside Post, Texas

Recently, however, a reciprocating non-turbine wind generator, the Windbelt, has been invented. It promises to reduce the cost for generating small amounts of power tenfold. Wind generators have become very popular lately as a means to generate power for your home. Large installations of wind generators can run entire towns. Small installations can be built for as low as US$100 reusing material. The plans can be found freely available on the web.

Wind generators come in many different sizes and shapes from vertical models, horizontal and even rooftop models.

A vaneless ion wind generator or power fence is a proposed wind power device that produces electrical energy directly by using the wind to pump electric charge from one electrode to another, with no moving parts.

Wind energy is usually extracted to make electricity by means of a wind turbine. The bird deaths, vibrational noise, and moving shadows associated with wind turbines would not occur with ion based power generation.

One design uses water sprayed from a nozzle facing a toroidal charged electrode. This induces an opposite charge in the water, and when the water flows out of the nozzle, each drop carries a small amount of charge. These water droplets are then blown by the wind, going through the center of the charged toroid without touching it. The droplets then hit a fine mesh, adding to its charge.

The other alternative is to use the Earth as the second electrode. The main advantage of this system is that it has no moving parts except the water droplets. The disadvantages are that it needs a constant supply of water, its wind profile can't be reduced, it requires many small parts, and it has to be well-crafted to reduce corona discharge losses. The device would produce direct current, which would need to be inverted to apply to a standard AC power grid.

Lord Kelvin created a similar device that used the energy of falling water droplets to generate high voltage, sometimes called "Kelvin's Thunderstorm".

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