Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems

ABSTRACT In photovoltaic (PV) generation systems, the energy produced is limited by the low efficiency of the solar panels, the variability of weather conditions, and the characteristics of the load connected, so the use of maximum power point tracking (MPPT) methods is essential to maximize the pow...

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Autores principales:	López Seguel,Julio, Seleme Jr,S.I, Moráis,Lenin M.F
Lenguaje:	English
Publicado:	Universidad de Tarapacá. 2021
Materias:	Buck Buck-Boost constant voltage perturb and observe incremental conductance PV stand-alone system
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-33052021000200229
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spelling	oai:scielo:S0718-330520210002002292021-07-22Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systemsLópez Seguel,JulioSeleme Jr,S.IMoráis,Lenin M.F Buck Buck-Boost constant voltage perturb and observe incremental conductance PV stand-alone system ABSTRACT In photovoltaic (PV) generation systems, the energy produced is limited by the low efficiency of the solar panels, the variability of weather conditions, and the characteristics of the load connected, so the use of maximum power point tracking (MPPT) methods is essential to maximize the power supplied. Implementing an MPPT requires a power converter as the interface between the PV array and the load, so the converter's behavior is also an important factor to be considered in the overall performance of a PV system. Several MPPT techniques have been proposed over the years, but little literature is still available when required to be compared to the combined performance of different MPPT/converter sets. In this context, the present work presents a comparative study of the performance of three MPPT techniques: constant voltage (CV), perturb and observe (P&O), and incremental conductance (IncCond), acting on two different topologies of DC-DC power converters: Buck and Buck-Boost. Each combination is analyzed considering its transient response and steady-state average efficiency. The study was carried out based on simulations in Matlab/Simulink environment. To obtain more realistic conditions, a model for the commercial PV module Kyocera KC85TS was developed. Results obtained from the PV system operating under various radiation and temperature conditions are compared and discussed, which show that the CV/Buck-Boost combination showed the best transient behavior and that the IncCond/Buck combination had the highest steady-state efficiency.info:eu-repo/semantics/openAccessUniversidad de Tarapacá.Ingeniare. Revista chilena de ingeniería v.29 n.2 20212021-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-33052021000200229en10.4067/S0718-33052021000200229
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Buck Buck-Boost constant voltage perturb and observe incremental conductance PV stand-alone system
spellingShingle	Buck Buck-Boost constant voltage perturb and observe incremental conductance PV stand-alone system López Seguel,Julio Seleme Jr,S.I Moráis,Lenin M.F Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
description	ABSTRACT In photovoltaic (PV) generation systems, the energy produced is limited by the low efficiency of the solar panels, the variability of weather conditions, and the characteristics of the load connected, so the use of maximum power point tracking (MPPT) methods is essential to maximize the power supplied. Implementing an MPPT requires a power converter as the interface between the PV array and the load, so the converter's behavior is also an important factor to be considered in the overall performance of a PV system. Several MPPT techniques have been proposed over the years, but little literature is still available when required to be compared to the combined performance of different MPPT/converter sets. In this context, the present work presents a comparative study of the performance of three MPPT techniques: constant voltage (CV), perturb and observe (P&O), and incremental conductance (IncCond), acting on two different topologies of DC-DC power converters: Buck and Buck-Boost. Each combination is analyzed considering its transient response and steady-state average efficiency. The study was carried out based on simulations in Matlab/Simulink environment. To obtain more realistic conditions, a model for the commercial PV module Kyocera KC85TS was developed. Results obtained from the PV system operating under various radiation and temperature conditions are compared and discussed, which show that the CV/Buck-Boost combination showed the best transient behavior and that the IncCond/Buck combination had the highest steady-state efficiency.
author	López Seguel,Julio Seleme Jr,S.I Moráis,Lenin M.F
author_facet	López Seguel,Julio Seleme Jr,S.I Moráis,Lenin M.F
author_sort	López Seguel,Julio
title	Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
title_short	Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
title_full	Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
title_fullStr	Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
title_full_unstemmed	Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems
title_sort	comparison of the performance of mppt methods applied in converters buck and buck-boost for autonomous photovoltaic systems
publisher	Universidad de Tarapacá.
publishDate	2021
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-33052021000200229
work_keys_str_mv	AT lopezsegueljulio comparisonoftheperformanceofmpptmethodsappliedinconvertersbuckandbuckboostforautonomousphotovoltaicsystems AT selemejrsi comparisonoftheperformanceofmpptmethodsappliedinconvertersbuckandbuckboostforautonomousphotovoltaicsystems AT moraisleninmf comparisonoftheperformanceofmpptmethodsappliedinconvertersbuckandbuckboostforautonomousphotovoltaicsystems
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Comparison of the performance of MPPT methods applied in converters Buck and Buck-Boost for autonomous photovoltaic systems

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