A Newton-Based Extremum Seeking MPPT Method for Photovoltaic Systems with Stochastic Perturbations

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="938526.fig.0018a" src="https://static.hindawi.com/articles/ijp/volume-2014/938526/figures/938526.fig.0018a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Tracking efficiency</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="938526.fig.0018b" src="https://static.hindawi.com/articles/ijp/volume-2014/938526/figures/938526.fig.0018b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Convergence time</td></tr></table></td></tr></table>

<table>The numerical comparison between the proposed MPPT algorithm and classical extremum seeking MPPT algorithm under irradiance 1000 W/m<sup>2</sup>.</table>

International Journal of Photoenergy

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Figure 18

Figure 18: A Newton-Based Extremum Seeking MPPT Method for Photovoltaic Systems with Stochastic Perturbations 