Current Sensorless MPPT Algorithms for PV Systems with Partial Shading

De Brito, Moacyr A. G.; Martines, Guilherme M. S.; Batista, Edson A.; Godoy, Ruben B.

doi:10.1109/spec56436.2023.10408140

2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP) 2023

DOI: 10.1109/spec56436.2023.10408140

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Current Sensorless MPPT Algorithms for PV Systems with Partial Shading

Moacyr A. G. De Brito,

Guilherme M. S. Martines,

Edson A. Batista

et al.

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2024

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Sensorless MPPT Algorithms for PV Systems in Partially Shaded Scenarios

Martines,

De Brito,

Batista

et al. 2024

Eletrônica de Potência

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This manuscript presents current sensorless algorithms for maximum power point tracking (MPPT) in partially shaded photovoltaic (PV) systems. The necessity of a current sensor is eliminated with the use of mathematical modeling of the power electronics converter. This approach significantly reduces the implementation cost and the inherent disadvantages in the current sensor circuitry. MPPT techniques based on soft computing are employed, in addition to Perturb and Observe (P&O), due to their ability to explore a larger search space. This feature is advantageous because it minimizes convergence risk to a local maximum, a limitation of traditional techniques. Simulation and experimental results are presented and each algorithm is evaluated through different metrics, such as search time for the global maximum power point (GMPP) and efficiency. The tests consider dynamic irradiance profiles, producing a tracking factor (TF) above 99% and a remarkable fast convergence time.

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Sensorless MPPT Algorithms for PV Systems in Partially Shaded Scenarios

Martines,

De Brito,

Batista

et al. 2024

Eletrônica de Potência

View full text Add to dashboard Cite

show abstract

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Current Sensorless MPPT Algorithms for PV Systems with Partial Shading

Cited by 1 publication

References 18 publications

Sensorless MPPT Algorithms for PV Systems in Partially Shaded Scenarios

Sensorless MPPT Algorithms for PV Systems in Partially Shaded Scenarios

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