Abstract

A photovoltaic cell is related in nursing device. It converts energy of sunbeams directly into electricity by electrical process impact. Electrical phenomenon system could be a device that converts alternative energy into current. Partial shading has high affect on photovoltaic system. Photovoltaic system generates electrical power which relies on solar irradiance. The photovoltaic system is always affected by the partial shaded system. So that, the maximum power cannot be obtained easily. Some effects on photovoltaic system by partial shading are air, trees shadow, thunders. However, some techniques to find maximum power are PSO, P&L, FL and ANN. Maximum power point is tracked by BAT algorithm. Because, it is swarm intelligence based method. In the global optimization BAT algorithm has high accuracy, and good dynamic performance. It has quick convergence rate. In addition to BAT algorithm, bidirectional converter is used. A bidirectional converter allows power in both reverse and forward direction. It is capable of performing both step-up and step-down functions and it also performs continuous power flow in the circuit. By using BAT algorithm and bidirectional converter, maximum power can be tracked and output can be improved.

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