Design and Implementation of Buck - Boost Converter for Residential PV Application

Solar based renewable power generation is more important to compensate fossil fuel power generation. It is necessary to implement Maximum Power Point Tracking (MPPT) system to reduce cost of PV array system by decreasing the number of solar panel required to generate the power. Since the solar power...

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Bibliographic Details
Published in:International Journal on Electrical Engineering and Informatics 2017-12, Vol.9 (4), p.834-849
Main Authors: Mageshwari, Sannasy, Kanagalakshmi, S, Rao, Hannumath
Format: Article
Language:English
Subjects:
Compensation
Computer simulation
Converters
Electric potential
Electric power generation
Energy conversion efficiency
Energy efficiency
Fossil fuels
Generators
Photovoltaic cells
Power loss
Renewable resources
Residential energy
Solar cells
Solar energy
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Summary:Solar based renewable power generation is more important to compensate fossil fuel power generation. It is necessary to implement Maximum Power Point Tracking (MPPT) system to reduce cost of PV array system by decreasing the number of solar panel required to generate the power. Since the solar power fluctuates with the sunlight's intensity, it requires conversion to maintain the desired voltage like inverters. In this paper, a series compensation scheme is suggested. Perturbation and observation (P&O) algorithm of MPPT. A single stage architecture of photovoltaic generators which is used for residential applications are incapable to boost the voltage of the PV modules and also provides deficient input voltage range in spite of providing deplete power loss. This research work proposes a series connection of buck-boost converter which operates only in buck mode and also processes a fraction of the power input from the inverter while operating at high efficiency. This inverter focused SPWM pulses and produces pure sine wave as output. The duty ratio is decreased to less than 0.5 hence switching losses also reduced. The proposed logic is carried out in simulation and hardware setup of 480W prototype and the results were analyzed to enhance the advantage of the series compensation approach.
ISSN:2085-6830
2087-5886
DOI:10.15676/ijeei.2017.9.4.15