A Proposed Supercapacitor Integrated with an Active Power Filter for Improving the Performance of a Wind Generation System under Nonlinear Unbalanced Loading and Faults

<div>Charging state of the three-level buck-boost converter. (a) 1 &lt; <i>k</i> &lt; 2; (b) <i>k</i> &gt; 2.</div>

Journal of Electrical and Computer Engineering

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Figure 6

Figure 6: A Proposed Supercapacitor Integrated with an Active Power Filter for Improving the Performance of a Wind Generation System under Nonlinear Unbalanced Loading and Faults 

Figure 6 | A Proposed Supercapacitor Integrated with an Active Power Filter for Improving the Performance of a Wind Generation System under Nonlinear Unbalanced Loading and Faults 