A Grid-Connected Multilevel Current Source Inverter and Its Protection for Grid-Disconnection

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="575309.fig.001a" src="https://static.hindawi.com/articles/ijp/volume-2013/575309/figures/575309.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>  Dc/dc converter and inverter</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="575309.fig.001b" src="https://static.hindawi.com/articles/ijp/volume-2013/575309/figures/575309.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b> Multiple dc/dc converters and multilevel inverter</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="575309.fig.001c" src="https://static.hindawi.com/articles/ijp/volume-2013/575309/figures/575309.fig.001c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b> DC/DC boost converter and multilevel inverter</td></tr></table></td></tr></table>

<table>Topologies to inject current to the ac mains based on VSI.</table>

International Journal of Photoenergy

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Figure 1: A Grid-Connected Multilevel Current Source Inverter and Its Protection for Grid-Disconnection 