Operation of Parallel Inverters in Microgrid Using New Adaptive PI Controllers Based on Least Mean Fourth Technique

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static.hindawi.com/articles/mpe/volume-2019/4854803/figures/4854803.fig.0011a.svgz" name="4854803.fig.0011a" type="image/svg+xml"></object><div class="fig-label">(a) Voltage profile at PCC for nonlinear loads by proposed controller</div></div><div class="sub-figure" id="b"><object data="https://static.hindawi.com/articles/mpe/volume-2019/4854803/figures/4854803.fig.0011b.svgz" name="4854803.fig.0011b" type="image/svg+xml"></object><div class="fig-label">(b) Instantaneous three-phase load current for all loads</div></div></figure>

<p>Voltage and current performance during nonlinear loads.</p>

Mathematical Problems in Engineering

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Figure 11

Figure 11: Operation of Parallel Inverters in Microgrid Using New Adaptive PI Controllers Based on Least Mean Fourth Technique 