An improved analog maximum power point tracking circuit for solar cells suitable for abrupt variations in irradiation levels

Romero-Camacho, S.; González-Díaz, Víctor R.; Ambrosio, Roberto; Mino‐Aguilar, Gerardo; Bonizzoni, Edoardo; Maloberti, Franco

doi:10.1109/eeeic.2017.7977499

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Cited by 5 publications

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A Behavioral Model for Solar Cells With Transient Irradiation and Temperature Assessment

et al. 2019

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The time to market of maximum power point tracking circuits for solar cells depends on the time of transient simulations. But, the traditional tools use a nonlinear resistor model for the solar cells. The question is if it is possible to use another nonlinear relationship to improve the convergence features. This paper presents a new method for modeling a solar cell, considering temperature and irradiation changes and an improved convergence performance. In this model, the solar cell's current-voltage (I-V) characteristics for three irradiation and two temperature conditions are required, showing a feasible procedure. The proposed model is fitted to three commercial solar cells exhibiting a maximum average error of 2.51 percent. It is tested in a transient analysis converging to the expected values in a maximum power point tracking circuit.INDEX TERMS Solar cell, solar power generation, analytical models.

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