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SOLAR POWER MR. P.ASLAM BASHA ASSISTANT ENGINEERING MANAGER; POWER TRANSMISSION & DISTRIBUTION IC, SOLAR BUSINESS UNIT; LARSEN & TOUBRO LIMITED Performance Analysis of Horizontal SingleAxis Tracker vs. Fixed Tilt Solar PV Plants in Southern States of India Government of India (GOI) has taken several steps to promote Renewable Energy such as Solar, Wind, Biomass, Biogas, etc. With regards to this, GOI initiated Jawaharlal Nehru National Solar Mission to boost Solar Energy to meet the part of the increasing generation demand besides addressing issues of climate change. Present, cumulative installed capacity has reached around 5.25 GW out of which nearly 30% was installed from Apr’15 to Jan’16. This indicates the paramount importance and growth of Solar Power systems in India. The Solar Industry is going to develop even further to meet the 100 GW target by 2022. Generally, solar panels are installed facing south with the optimum tilt angle equal to latitude in the northern hemisphere by convention to achieve the optimum power over the course of a year. But, this type of solar PV systems receives solar radiation at fixed tilt with only one orientation of azimuth. To have a maximum generation, the PV array needs to capture as much irradiance as possible during sunshine time. To capture the maximum amount of irradiance, the array needs to be focused towards the sun position, thus maximizing effective area and receiving direct beam radiation. The ability to point towards the sun for a majority of the day can be accomplished by varying the angles through deploying several different mounting structure methods such as seasonal tilt, single-axis and dualaxis tracking systems. For detailed analysis, 1 MWp Solar power plant with polycrystalline technology in 8 TABLE 1. LOCATION COORDINATES States Location Latitude Longitude Karnataka ( KA) Bellary 15.14°N 76.92°E Chitradurga 14.22°N 76.40°E Tamil Nadu (TN) Tiruchuli 9.57°N 78.31°E Parmakudi 9.50°N 78.60°E Andhra Pradesh (AP) NP Kunta 14.05°N 78.40°E Gani 15.60°N 78.31°E Telangana (TS) Mahabubnagar 16.14°N 78.40°E Sangareddy 17.63°N 78.10°E Inputs for simulation are tabulated below. TABLE 2. MODULE CHARACTERISTICS Module Technology Poly crystalline Peak Power(Wp) 310 Module efficiency (%) 15.99 Fill Factor 0.77 Thermal Coefficient of power(%/oC ) -0.43 22 energética INDIA · MAR | APR16


energetica-india-56
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