Control of an Inverter for Photovoltaic Arrays, Using an Estimator of Short Circuit Current for Maximum Power Point Tracking

Research output: Contribution to journalArticle

Abstract

Grid connected photovoltaic systems require the use of solid state converters that allow an efficient matching between the photovoltaic generator and the utility grid. Therefore, adequate control techniques, which ensure that the PV generator operates at its point of maximum energy generation under different environmental conditions, are required. This paper presents the design and implementation of a single-phase grid-connected photovoltaic system. Simulation models of the primary generator and power converters were obtained. Additionally, two methodologies for maximum power point tracking by using a new method for estimating short-circuit current are proposed. The proposed method weights the control action at different solar irradiance conditions. In order to verify the behavior of the system, simulation and experimental results are presented. Finally, the conclusions are presented.

LanguageEnglish
Article number7387234
Pages3294-3303
Number of pages10
JournalIEEE Latin America Transactions
Volume13
Issue number10
DOIs
Publication statusPublished - Oct 1 2015
Externally publishedYes

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Short circuit currents
Power converters

Keywords

  • Fuzzy System
  • Maximum Power Point Tracking
  • Photovoltaic System
  • PV-Inverter

ASJC Scopus subject areas

  • Computer Science(all)
  • Electrical and Electronic Engineering

Cite this

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title = "Control of an Inverter for Photovoltaic Arrays, Using an Estimator of Short Circuit Current for Maximum Power Point Tracking",
abstract = "Grid connected photovoltaic systems require the use of solid state converters that allow an efficient matching between the photovoltaic generator and the utility grid. Therefore, adequate control techniques, which ensure that the PV generator operates at its point of maximum energy generation under different environmental conditions, are required. This paper presents the design and implementation of a single-phase grid-connected photovoltaic system. Simulation models of the primary generator and power converters were obtained. Additionally, two methodologies for maximum power point tracking by using a new method for estimating short-circuit current are proposed. The proposed method weights the control action at different solar irradiance conditions. In order to verify the behavior of the system, simulation and experimental results are presented. Finally, the conclusions are presented.",
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AB - Grid connected photovoltaic systems require the use of solid state converters that allow an efficient matching between the photovoltaic generator and the utility grid. Therefore, adequate control techniques, which ensure that the PV generator operates at its point of maximum energy generation under different environmental conditions, are required. This paper presents the design and implementation of a single-phase grid-connected photovoltaic system. Simulation models of the primary generator and power converters were obtained. Additionally, two methodologies for maximum power point tracking by using a new method for estimating short-circuit current are proposed. The proposed method weights the control action at different solar irradiance conditions. In order to verify the behavior of the system, simulation and experimental results are presented. Finally, the conclusions are presented.

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