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Energies
Volume 16
Issue 2
10.3390/en16020790
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Article

Modified Current Sensorless Incremental Conductance Algorithm for Photovoltaic Systems

by
Víctor Ferreira Gruner
1,
Jefferson William Zanotti
2,
Walbermark Marques Santos
3,
Thiago Antonio Pereira
1,
Lenon Schmitz
1,
Denizar Cruz Martins
1 and
Roberto Francisco Coelho
1,*
1
Department of Electrical and Electronics Engineering, Federal University of Santa Catarina, Florianopolis 88040-900, Brazil
2
Department of Electrical Engineering, Federal Institute of Santa Catarina, Jaragua do Sul 89254-430, Brazil
3
Department of Electrical Engineering, Federal University of Espirito Santo, Vitoria 29075-910, Brazil
*
Author to whom correspondence should be addressed.
Energies 2023, 16(2), 790; https://doi.org/10.3390/en16020790
Submission received: 14 December 2022 / Revised: 3 January 2023 / Accepted: 4 January 2023 / Published: 10 January 2023
(This article belongs to the Special Issue Power Converters: Modeling, Control, and Applications in Power Electronics)
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Abstract

This paper proposes a novel maximum power point tracking algorithm applied to photovoltaic systems. The proposed method uses the derivative of power versus voltage to define the tracking path and has the advantage of requiring only a voltage sensor to be implemented. The absence of the current sensor and the auxiliary circuitry employed for conditioning the current signal imply cost reduction, configuring the main contribution of the proposed method, whose performance is kept close to the classical incremental conductance method, even with the reduced number of components. A DC-DC zeta converter is introduced in the content of this work as an interface between a photovoltaic array and a resistive load. The paper describes the operating principle and presents the mathematical formulation related to the proposed algorithm. Interesting simulation and experimental results are presented to validate the theory by comparing the proposed method with its traditional version under several scenarios of solar irradiance and temperature.
Keywords: current sensorless tracking algorithm; incremental conductance; maximum power point tracker current sensorless tracking algorithm; incremental conductance; maximum power point tracker

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MDPI and ACS Style

Gruner, V.F.; Zanotti, J.W.; Santos, W.M.; Pereira, T.A.; Schmitz, L.; Martins, D.C.; Coelho, R.F. Modified Current Sensorless Incremental Conductance Algorithm for Photovoltaic Systems. Energies 2023, 16, 790. https://doi.org/10.3390/en16020790

AMA Style

Gruner VF, Zanotti JW, Santos WM, Pereira TA, Schmitz L, Martins DC, Coelho RF. Modified Current Sensorless Incremental Conductance Algorithm for Photovoltaic Systems. Energies. 2023; 16(2):790. https://doi.org/10.3390/en16020790

Chicago/Turabian Style

Gruner, Víctor Ferreira, Jefferson William Zanotti, Walbermark Marques Santos, Thiago Antonio Pereira, Lenon Schmitz, Denizar Cruz Martins, and Roberto Francisco Coelho. 2023. "Modified Current Sensorless Incremental Conductance Algorithm for Photovoltaic Systems" Energies 16, no. 2: 790. https://doi.org/10.3390/en16020790

APA Style

Gruner, V. F., Zanotti, J. W., Santos, W. M., Pereira, T. A., Schmitz, L., Martins, D. C., & Coelho, R. F. (2023). Modified Current Sensorless Incremental Conductance Algorithm for Photovoltaic Systems. Energies, 16(2), 790. https://doi.org/10.3390/en16020790

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