With the exhaustion of fossil fuels, their dreadful effect on the environment and their soaring prices, renewable forms of energy like solar and wind power have emerged rapidly, as clean and sustainable sources of generating electricity. This paper studies the viability of deploying a 200 kWp on-grid monocrystalline silicon solar plant, by making use of PVsyst software for Dubai international academic city, Dubai. The system was designed to have 22 modules in series with 32 strings in parallel. And the total number of modules is computed as 704. The reports of the simulation were examined to determine the total production of energy and specific energy production which was found to be 352.6 MWh/year and 1757 kWh/kWp/year respectively. The annual performance ratio of the system was calculated as 81.67 %. Lastly, by identifying the main source of losses, the detailed loss for the entire year is estimated and represented by an arrow loss diagram.
In this we have proposed a photovoltaic system connected to the grid (220V/50Hz). The electric system is composed by a charge controller with the DC-DC boost converter is used along the automatic tracking system for further enhancing output power under variable isolation conditions and protecting the battery from being overcharged and over discharged condition. The Boost converter is used to overcome the lower output voltage of solar panel for not fulfilling the minimum charging voltage requirement of the battery thus more power extraction is possible from the solar panel to battery. The system includes a photovoltaic array, three LDRs sensors and a Dc/Ac converter. A maximum-power-point-tracking technique is used to operate in the optimum power condition. The Dc/Ac converter allows the adaptation of the PV system to the grid. The hysteresis technique is used to generate the output current waveform. All the command algorithms are implemented in a microchip microcontroller.
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