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

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">MPPT method </td><td align="center"> Efficiency </td><td align="center"> Convergence </td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Newton-based ES MPPT</td><td align="center"><span style="width: 41.325001px;"><svg height="11.75" id="M152" style="vertical-align:-0.27588pt" version="1.1" viewbox="0 0 41.325001 11.75" width="41.325001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">&lt;4 s</td></tr><tr><td align="left">Gradient-based ES MPPT</td><td align="center"><span style="width: 41.325001px;"><svg height="11.75" id="M153" style="vertical-align:-0.27588pt" version="1.1" viewbox="0 0 41.325001 11.75" width="41.325001" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">&gt;6 s </td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

The simulated comparison of the two methods.

International Journal of Photoenergy

tab4

Table 4

Table 4: A Newton-Based Extremum Seeking MPPT Method for Photovoltaic Systems with Stochastic Perturbations 