Discrete-Time Nonlinear Control of VSC-HVDC System

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/929467/figures/929467.fig.007a.svgz" name="929467.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The active and reactive power at rectifier side</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/929467/figures/929467.fig.007b.svgz" name="929467.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The active and reactive power at inverter side</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/929467/figures/929467.fig.007c.svgz" name="929467.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The DC voltage</td></tr></table>

<div>Responses of the rectifier and inverter when the inner parameters change at both converter stations.</div>

Mathematical Problems in Engineering

Discrete-Time Nonlinear Control of VSC-HVDC System

Figure 7