Abstract
The optimum angle of tilt for PV system is very important for best performance in the generation of power and other related use of photovoltaic. This work, reviews the best angle of inclination for a stand-alone photovoltaic panel. The consideration of various studies has been looked at in line with some models. It was observed that the yearly fixed angle of tilt is close to or same as the latitude for a given location, although this may not be appropriate for use in other locations. The annual optimal angle of tilt of some locations were closely related in value i.e. 20.50°, 20.50°, 21.50°, 20.20°, 21.30° and 22.40°. The best electrical performance for the PV system was observed to be above 1598kWh/m2 at20° inclination facing south. Hencethe value of the optimum angle of tilt for best electrical performance of an array of stand-alone PV system could vary between 0° and 90° depending on the location latitude.
Highlights
The optimum angle of tilt for PV system is very important for best performance in the generation of power and other related use of photovoltaic
The generation and usage of electricity comes from fossil fuels which invariably has put the earth in a position to be dependent on these energy sources.Around the 18th and the early 19th century, electricity was basically used for lighting purpose
Optimum angle of tilt ensures that the incident solar radiation reaching the inclined surface of the photovoltaic cell is perpendicular to the surface of the solar cell
Summary
The generation and usage of electricity comes from fossil fuels which invariably has put the earth in a position to be dependent on these energy sources.Around the 18th and the early 19th century, electricity was basically used for lighting purpose. Fossil fuels at its present incremental usage faces depletion by the year 2060 [2], if a corresponding incremental use of other non-fossil fuel is not harnessed and put to use This is very important to avoid global energy crisis.Solar energy is a renewable energy source and it is widely believed to bea sustainable energy solution base which is capable of ‘reducing friction’ restrictingthe wheelof technological development especially in developing economies. The solar radiation that is globally received on a surface that is inclined is characterised basically upon three separate components which include the beam, reflected, and diffused irradiance. To find the numerical quantity of the radiation (reflected) on the inclined surface, equation (9) is used: Itr. Using different anisotropic and isotropic models the diffused component of the solar radiation can be estimated. The values of Itg,i, Itb,i, Itr ,i and Itd,i can be determined by applying the equations listed above while taking the values of ito be between 1 and 8760, for a calendar year
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