Cooperative Optimal Control Strategy for Microgrid under Grid-Connected and Islanded Modes

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="361519.fig.008a" src="https://static.hindawi.com/articles/ijp/volume-2014/361519/figures/361519.fig.008a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The energy storage unit acts as a master</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="361519.fig.008b" src="https://static.hindawi.com/articles/ijp/volume-2014/361519/figures/361519.fig.008b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The energy storage unit acts as a slave</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="361519.fig.008c" src="https://static.hindawi.com/articles/ijp/volume-2014/361519/figures/361519.fig.008c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>The energy storage unit works on charge mode</td></tr></table></td></tr></table>

<table>The control block of energy storage unit on different modes.</table>

International Journal of Photoenergy

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Figure 8

Figure 8: Cooperative Optimal Control Strategy for Microgrid under Grid-Connected and Islanded Modes 