8. The wind speed distribution over a year at a site is described by the two-parameter Weibull density function in which the shape parameter k is 2.6 while the scale parameter c is 1.1 times the mean speed 7. If the rated wind speed to cut-in wind speed ratio is 2.5 and the furling wind speed to rated wind speed ratio is also 2.5, find the value of the rated wind speed in terms of mean wind speed U for which the energy extracted per year will be maximum.
8. The wind speed distribution over a year at a site is described by the two-parameter Weibull density function in which the shape parameter k is 2.6 while the scale parameter c is 1.1 times the mean speed 7. If the rated wind speed to cut-in wind speed ratio is 2.5 and the furling wind speed to rated wind speed ratio is also 2.5, find the value of the rated wind speed in terms of mean wind speed U for which the energy extracted per year will be maximum.
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Transcribed Image Text:8. The wind speed distribution over a year at a site is described
by the two-parameter Weibull density function in which the
shape parameter k is 2.6 while the scale parameter c is 1.1
times the mnean speed T. If the rated wind speed to cut-in
wind speed ratio is 2.5 and the furling wind speed to rated
wind speed ratio is also 2.5, find the value of the rated wind
speed in terms of mean wind speed T for which the energy
extracted per year will be maximum.
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