Positive Changes for Wind Power
04 May 2010
US based company and wind turbine developer WindSail have been addressing what some people site as the drawbacks to wind power with a comprehensively positive response.
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US based company and wind turbine developer WindSail have been addressing what some people site as the drawbacks to domestic wind power with a comprehensively positive response.
Most would agree that turbines are expensive and can cost a lot to maintain. Sometimes the turbines are not reliable or are very short lived. Some argue that they are not very efficient when the wind-speed is low, whereas historically perhaps one of the key issues that have given rise to complaint is that they are noisy.
Now design breakthroughs are about to turn all that around and companies such as Windsail are pushing back the boundaries that have for a long time been at the forefront of the movement of people who oppose wind power as a viable alternative power option.
By using a lift based design and using a direct drive that uses no gears the wear a tear elements are being overcome. The new design offers a good level of controllability in strong windy conditions making it a lot more stable and less likely to suffer damage in gales. At the same time the lift based design combined with the optimized number of blades has enhanced the efficiency when the prevailing breezes are light — allowing it to generate a good level of power output for more of the time. During the testing phase the vertical design proved itself by generating more power with less wear when exposed to variable wind speeds from constantly changing directions.
Lastly the design team worked long and hard to reduce the drag in the turbine itself — they have achieved significant reductions in friction resulting in much less noise.
With a projected 50 per cent increase in global demand for energy by 2030 it is these positive developments that will help wind turbines to be accepted, in appropriate areas, as viable, alternative power sources. The wind power industry is showing itself to be planning systematically to reduce its environmental impact, while feeding this growing demand for power. Comments from groups who object to wind generators are being carefully considered and being built into the next generation of design. The hope is that by eliminating some of the problems more people will consider that generating green power in this way is the way forward.
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WindSail are not alone in their efforts to combat the objections to wind turbine energy production another innovative design is reviewed in the article entitled A Growing Well Known Secret
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