Tuesday, April 15, 2014

Island Power Wind Power Solutions

                      Island Power Wind Power Solutions

Wind power involves converting wind energy into electricity by using wind turbines. A wind turbine is composed of 3 propellers-like blades called a rotor.The rotor is attached to a tall tower. The tower looks like a very tall pole. On averagwind towers are about 20m high. The reason why the tower is so tall is because winds are stronger higher from the ground.

Wind comes from atmospheric changes; changes in temperature and pressuremakes the air move around the surface of the earth; all of which is triggered by the sun. So in a way, wind energy is another form of solar power. A wind turbine captures the wind to produce energy. The wind makes the rotor spin; as the rotor spins, the movement of the blades spinning gives power to a generator which makes energy. The motion of the wind turbine turning is called kinetic energy, this power is converted into electricity.

The conversion of wind into electricity


Wind power is converted into electricity by magnets moving past stationary coils of wire known as the stator. As the magnets pass the stator, AC electricity is produced. It is then converted into DC electricity which can be used to charge batteries which store the electrical energy or can also be fed into a grid interactive inverter for feeding power into the electricity grid.

The benefits of wind power


Wind power is a clean energy source that can be relied on for the long-term future. A wind turbine creates reliable, cost-effective, pollution free energy. It is affordable, clean and sustainable. One wind turbine can be sufficient to generate energy for a household. Because wind is a source of energy which is non-polluting and renewable, wind turbines create power without using fossil fuels, without producing greenhouse gases or radioactive or toxic waste. Wind power reduces global warming.

How are wind turbines installed


Wind turbines can be installed on properties, on boats, or caravans. Getting a wind turbine depends entirely on the amount of wind generated in your area. The first thing you need to do is to find out the average speed in your area. While using freely available data gives an indication, the most reliable method is a reading taken at your site. Once a terribly expensive exercise, this can now be done economically using the Power Predictor.

NEW! Power Predictor

Before you spend a bundle on a wind turbine; play it safe and test the wind resources at your location first. 
  
The economical Power Predictor anemometer measures solar and wind energy at your site. It comes with a data logger and access to online analysis software that compares the most popular wind turbines and solar panels on the market!

The average wind speed needs to be above 5m/s (18km per hour) to make installing a wind turbine worthwhile. Ideal locations for wind turbines are in the country, on farms, or on the coast: basically anywhere away from built-up areas. The more buildings around the wind turbine, the less wind there is. Energy Matters can do full installations of hybrid, wind and solar energy systems. Setting up a wind turbine is a big job that takes time but it can be a very cost effective way of creating power as long as the average wind speed is high enough.

Island Power Geothermal proposed solutions in India and Zimbabwe


Island Power Geothermal proposed solutions in India and Zimbabwe




Geothermal energy is the heat from the Earth. It's clean and sustainable. Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.
Almost everywhere, the shallow ground or upper 10 feet of the Earth's surface maintains a nearly constant temperature between 50° and 60°F (10° and 16°C). Geothermal heat pumps can tap into this resource to heat and cool buildings. A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building. In the winter, the heat pump removes heat from the heat exchanger and pumps it into the indoor air delivery system. In the summer, the process is reversed, and the heat pump moves heat from the indoor air into the heat exchanger. The heat removed from the indoor air during the summer can also be used to provide a free source of hot water.
In the United States, most geothermal reservoirs of hot water are located in the western states, Alaska, and Hawaii. Wells can be drilled into underground reservoirs for the generation of electricity. Some geothermal power plants use the steam from a reservoir to power a turbine/generator, while others use the hot water to boil a working fluid that vaporizes and then turns a turbine. Hot water near the surface of Earth can be used directly for heat. Direct-use applications include heating buildings, growing plants in greenhouses, drying crops, heating water at fish farms, and several industrial processes such as pasteurizing milk.
Hot dry rock resources occur at depths of 3 to 5 miles everywhere beneath the Earth's surface and at lesser depths in certain areas. Access to these resources involves injecting cold water down one well, circulating it through hot fractured rock, and drawing off the heated water from another well. Currently, there are no commercial applications of this technology. Existing technology also does not yet allow recovery of heat directly from magma, the very deep and most powerful resource of geothermal energy.
Many technologies have been developed to take advantage of geothermal energy - the heat from the earth. Island Power performs research to develop and advance technologies for the following geothermal applications:

Geothermal Energy Technologies:



Island Power Proposed Geothermal Project in India... Different sites identified


Island Power  Proposed Geothermal Project in India... Different sites identified




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