Author : Pravin S. Nagrale 1
Date of Publication :28th March 2018
Abstract: Nowadays the energy crises are due to the limited fossil fuel on the earth. Solar energy is the continuous source of renewable energy. Solar energy has main advantages is that clean, maintenance free and space limited area compare to the other type of renewable energy which can be space consuming. One of the methods to improve the efficiency of the photovoltaic system by using intermediate power processor which changes the current and voltage levels such that maximum power can be extracted. In this project, we analyze the design and simulation of the electrical operation of a photovoltaic (PV) system. Photovoltaic energy is used as a renewable energy system. Photovoltaic (PV) cells are used to generate dc voltages and given to DC-DC converter. Designing of converter gives constant output. DC-DC converter used Buck type of converter. The converter output is given to battery. Buck converter gives the constant output which controlled by PWM controller and feedback control system. A maximum power point tracking (MPPT) algorithm technique is used to track the peak power to maximize the produced energy. This algorithm will identify the suitable duty cycle ratio in which buck converter should operate to the maximum point. The MPPT algorithm is important in increasing the efficiency of the system
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