Summary: | The objective of this research was to study wind speed data at Kalasin province in the upper northeast of Thailand. Wind speed and direction at 60, 90 and 120 meter height above ground level (AGL) on a 120 m Guy Mast triangle tower, were recorded and analyzed for the 5-year period from January 2012 until December 2016. TheWeibull Distribution Function was used to analyze data yearly, monthly, and by daily periods. The wind speeds were found to be 3.12, 3.62 and 3.93 m/s and Power Density in this area was 37, 56, 72 W/m2 at 60, 90 and 120 meter height AGL respectively. The wind direction was mostly from between northeast to south and had shape (k) and scale parameter (c) mean values between 2.00 to 2.05 and 3.60 to 4.50 m/s. sares
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