Installing Wind Power Facilities: Wind Turbines

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The use of land in installing wind power facilities vary substantially depending on the site: wind turbines placed in flat area mostly use more land than those located in elevated areas. According to Engr. Honra, one of the possible problems of using wind turbines is the area where the wind turbine will be installed, another is the wind velocity. According to Proefrock (2012), one of the biggest problems with regards to wind turbines is that it is not that efficient at low wind speeds. This is usually dealt with by evaluating the sites and finding locations where the wind speed tend to be high, so that the wind turbines will be more effective once it is built, but these locations are often in remote areas and far from where the power is needed. In order for this problem to be solved, the area should be checked if the wind velocity is appropriate for installation of wind turbines. If the wind velocity is very low, the turbine will not produce power at all.
Another possible problem of using wind turbines is the noise that it produces. Noise from wind turbines can be a problem, especially for those people living near the turbines. Wind turbines generate sound through mechanical and aerodynamic routes. The movement of the blades through the air causes it to create noise and the increasing size of medium – to – large turbines has prompted concerned that it will create an unacceptable level of noise for the nearby residents. The sound level depends on the various factors including design and wind speed. With this noise pollution, the health of the people or residents nearby the wind turbines will be affected. The effect of sound on health is directly related to its pressure level. High sound pressure levels may result to hearing impairm...

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...ow with large modern models and if proper planning is adhere to (Smedley, Webb, & Wilkins, 2009; Harding, 2008). Shadow flicker produce human health effects which includes annoyance and/or stress. (Copes & Rideout, 2009)
The shadow flicker effect is a particular concern for people who suffer from photosensitive epilepsy and experience seizures in response to certain environmental triggers. Photosensitive epilepsy is a rare condition; seizures are triggered by flashing or flickering of light. This condition commonly affects children. A flash at a frequency of between 15 and 20 flashes per second is most likely to cause a seizure, where very few people are sensitive to a rate of 3 flashes per second. Also, natural sources like the effect of sunlight through trees and/or dazzling reflections of water are known to be seizure triggers. (Canadian Epilepsy Alliance, 2008)
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