Abstract
A study on wind powered water pumping system aimed for agriculture was carried out in the middle part of Thailand. In this alluvial plain, wind energy potential was determined by making a survey on 21 observation sites. The survey was made in a period of one year, and it has shown that this region locates in a clam climate zone with average wind speeds at about 2 m/s. A wind turbine-water pumping system was installed and evaluated for its performance and efficiency. The result has shown a linear relationship between water discharge capability and the wind speeds. Due to the type of turbine and low wind speed in this region, the system efficiency turned out to be minimal, yet it was practical because the wind power was free. A simple cost analysis from the survey data also has shown that using a wind turbine in this region will be worthwhile when it can be operated for about two decades.
Highlights
Among all renewable energy resources, the wind energy is clean and simple to be harvested
A report in 2011 from the Global Wind Energy Council [1] has told that the electricity generated by wind energy in 2010 had increased 35,802 MW which was 22.5% of the total 194,390 MW electricity made by wind energy in the world
In 2007 Saudi Arabia, a team of researchers led by Rehman [7] was able to utilize wind power for irrigation in a remote area using small wind turbines
Summary
Among all renewable energy resources, the wind energy is clean and simple to be harvested. In other countries such as India, Japan, South Korea and Taiwan, the use of wind power was increasing every year These made Asia becoming one of the growing regions in wind energy usage with the capacity of 19,022MW in 2010. In 2007 Saudi Arabia, a team of researchers led by Rehman [7] was able to utilize wind power for irrigation in a remote area using small wind turbines Another fact about farming is that a good cultivation area usually locates near natural water resources, and should be a suitable living habitat. This large alluvial plain is surrounded by four main rivers i.e., Chao Phraya, Tha Chin, Mae Klong, and Bang Pakong rivers. They found that the average wind speed in that region was 4.0-4.5 m/s
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