Design of Battery Charging from Solar Panel by Using Step-Down Converter with MPPT Technique

Design of Battery Charging from Solar Panel By Using Step-Down Converter with MPPT Technique

Nagalla Sowjanya*1, Kuna Deepika*2, Paila Jhansee*3, Potnuru Manikanta*4, Menda Lavan Kumar*5

 1 Assistant Professor, Department of Electrical and Electronics Engineering, Aditya Institute of Technology and Management, Tekkali, India

2,3,4,5 Students, Department of Electrical and Electronics Engineering, Aditya Institute of Technology and Management, Tekkali, India

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Abstract:

 Solar cell power generation system provides an effective usage of solar energy, but the conversion efficiency is very low and it has problem in maintaining of its dc power output from the solar panel as constant. There are some factors that effect the output power are irradiation and temperature. In this data it is shown that for charging lead acid batteries from solar panel MPPT can be attain by observe algorithm. To regulate the photovoltaic output array, MPPT system is used. A charge controller is operated to match the solar panel impedance and battery to get maximum power. Voltage and current rating are noted from the solar panel. Duty cycle of gating signal is changed based on the MPPT algorithm to obtain maximum power transfer.

Keywords: Buch converter, MPPT, Battery, MATLAB, Photovoltaic array (PV).