Abstract
The aim of this work is to compare the wind data extrapolated by 1/7th wind power law and site-specific wind power law for wind power potential estimation at Shahbandar. Both the Wind shear exponents (WSE) and local air density values were calculated using measured wind data at 10 and 30 m heights and they were found minimum in summer and maximum in winter. Weibull distribution was applied with a newly developed method to estimate the Weibull parameters whose accuracy was tested using coefficient of determination which was more than 95%. Technical analysis of energy generation was conducted which showed that GE1 and GE2 turbines have highest yield and capacity factors respectively while B3 and V5 has corresponding minimum values. Comparison showed that 1/7th wind power estimates lower values of wind potential than site-specific wind power law. Moreover, comparison of predicted data with measured data shows that site-specific wind power law estimates data more accurately.
Highlights
Throughout the world, energy generation is mainly dependent on fossil fuels (Sumair et al, 2020g) which are deteriorating the environment rapidly
renewable energy sources (RES) are characterized as being environmental friendly sources of energy having zero or minimal carbon emissions (Khahro et al, 2014c); wind energy is one of those RES which is seeking attention due to its environmentally friendly nature and abundance
Pakistan Meteorological Department (PMD) conducted a survey to locate the most lucrative sites of wind potential and it is reported that a wind corridor along the coastline of Sindh and Balochistan provinces is rich with theoretically estimated potential of 43 GW) (Baloch et al, 2017; Shoaib et al, 2017)
Summary
Throughout the world, energy generation is mainly dependent on fossil fuels (Sumair et al, 2020g) which are deteriorating the environment rapidly. Keeping in view the increasing global energy demand and negative impacts of fossil fuels usage, renewable energy sources (RES) must be utilized to maximum capacity. Since 2008 when installed wind capacity in country was about 6MW, there has been observed significant increase as currently installed capacity has grown to 1236 MW (Sumair et al, 2020f). This is manifolds enhancement, it is much less than its theoretically existing potential which is estimated as 346 GW (Sumair et al, 2020f). Site-specific wind potential estimation remains untouched in many of these areas; one such site is Shahbandar whose wind potential needs to be estimated as this maybe an attractive site to develop future wind projects by Government of Pakistan (GOP)
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