Programmable Device Circuits and Systems

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Comparative Study of Converters Using MPPT Algorithms for a Stand Alone Solar PV System


Affiliations
1 Department of Mechanical Engineering, Anna University, Chennai-600025, Tamilnadu, India
2 Anna University, Chennai-600025, Tamilnadu, India
3 Department of Electrical and Electronics Engineering, Anna University, Chennai-600025, Tamilnadu, India
     

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As the conventional energy source is expected to last for few decades, solar PhotoVoltaic (PV) energy offers a very promising alternative, because it is free, abundant and distributed throughout the earth. The research works on the PV power sources have received much attention to not only on space application but also on terrestrial applications. However the present energy conversion efficiency of PV array are quite low. Thus the typical goal is to extract the maximum possible power from the PV array during the entire time of operation, and thereby these systems need a Maximum Power Point Tracking (MPPT) system.
The MPPT system comprises of PV array, Maximum Power Point Tracking algorithm, Converter and a resistive load. In this proposed work, comparison of converters with different power point tracking algorithms is carried out to improve the overall efficiency of the solar PV system. This analysis is for a 100 watts stand-alone solar PV system. The optimized converter utilizing MPPT algorithm is obtained.


Keywords

Maximum Power Point Tracking, Converter.
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  • Comparative Study of Converters Using MPPT Algorithms for a Stand Alone Solar PV System

Abstract Views: 250  |  PDF Views: 3

Authors

V. Punitha
Department of Mechanical Engineering, Anna University, Chennai-600025, Tamilnadu, India
C. Sharmeela
Anna University, Chennai-600025, Tamilnadu, India
G. Kumaresan
Anna University, Chennai-600025, Tamilnadu, India
Krishna Rao Vutukuru
Department of Electrical and Electronics Engineering, Anna University, Chennai-600025, Tamilnadu, India

Abstract


As the conventional energy source is expected to last for few decades, solar PhotoVoltaic (PV) energy offers a very promising alternative, because it is free, abundant and distributed throughout the earth. The research works on the PV power sources have received much attention to not only on space application but also on terrestrial applications. However the present energy conversion efficiency of PV array are quite low. Thus the typical goal is to extract the maximum possible power from the PV array during the entire time of operation, and thereby these systems need a Maximum Power Point Tracking (MPPT) system.
The MPPT system comprises of PV array, Maximum Power Point Tracking algorithm, Converter and a resistive load. In this proposed work, comparison of converters with different power point tracking algorithms is carried out to improve the overall efficiency of the solar PV system. This analysis is for a 100 watts stand-alone solar PV system. The optimized converter utilizing MPPT algorithm is obtained.


Keywords


Maximum Power Point Tracking, Converter.