Resumo

HIRAM GONZALEZ, Adolfo et al. Comparative analysis of incremental conductance and perturbation & observation MPPT algorithms in grid-connected PV systems: performance in dynamic irradiance conditions. Rev. ciente. UCSA [online]. 2026, vol.13, n.1, pp.3-. ISSN 2409-8752.  https://doi.org/10.18004/ucsa/2409-8752/2026.013.01.003.

This paper article a detailed comparison between Incremental Conductance (IC) and Perturbation & Observation (P&O) algorithms in a two-stage grid-connected photovoltaic system (GCPVS), consisting of solar panels, a boost converter, a two-level voltage source inverter (VSI), and an LCL filter. Key performance metrics such as Root Mean Square Error (RMSE), Total Harmonic Distortion (THD), settling time, Maximum Power Point Tracking (MPPT) efficiency, and power factor are evaluated under varying irradiance conditions. A (dq0) synchronous reference frame control is implemented to ensure high-quality power injection. The IC and P&O algorithms are designed, modeled, and validated using MATLAB/Simulink. The results demonstrate that IC enhances system stability, response speed, and efficiency, while reducing THD. In contrast, P&O exhibits a faster transient response but shows greater steady-state fluctuations.

Palavras-chave : Incremental Conductance; Perturbation & Observation; Maximum Power Point Tracking; grid-connected photovoltaic systems; boost converter; voltage source invertir; LCL filter; dq0 control; total harmonic distortion; power quality.

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