Adnan Ayaz Mohammad Abdul Aziz Irfan and Muhammad Noman
This study presents one of the first analyses carried out on solar energy resource measurement using meteorological station established at University of Engineering and Technology (UET) Peshawar by World Bank under Energy Sector Management Assistance Program (ESMAP). Ground based direct normal irradiance (DNI) and global horizontal irradiance (GHI) were measured and analyzed for year 2017 and then compared with the data of satellite based solar model called SUNY. Ground based data was measured with the help of Kipp & Zonen CMP10 Pyranometer and Twin sensor Rotating Shadowband Irradiometer (RSI). Data of satellite based solar model (SUNY) was based on daily total monthly mean averaged over 15 years, starting from 2000 till 2014. The maximum value of ground based GHI was found for the month of June which was 6,415 Wh/m2 and minimum GHI was found for the month of December which was 1,605 Wh/m2. On the other hand, highest DNI was recorded in the month of April which was 5,884 Wh/m2 and lowest DNI was recorded in the month of January which was 1,718 Wh/m2. Comparison of the data showed higher values of GHI and DNI for satellite based model (SUNY) in most of the months. In February, March and April, ground based GHI and DNI were overestimated compared to satellite based model. Maximum difference of 1,346 Wh/m2 in GHI was noticed in November and minimum difference of -181 Wh/m2 was recorded in the month of March. On the other hand, maximum difference of 2,348 Wh/m2 in DNI was observed in the month of November and a minimum difference of -140 Wh/m2 was seen in March. This study will be helpful in further assessment of solar energy resource at any location in Pakistan as it will provide help for base-line studies. Moreover, it will also help in establishing any solar energy program particularly concentrating solar power (CSP) in Pakistan.
Adnan Ayaz Mohammad Abdul Aziz Irfan and Muhammad Noman Comparison of Satellite and Ground based Solar Data for Peshawar Pakistan International Journal of Engineering Works Vol. 6 Issue 09 PP. 288-291 September 2019
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