A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="718920.fig.009a" src="https://static.hindawi.com/articles/ijvt/volume-2013/718920/figures/718920.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Main H-bridge inverter voltages</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="718920.fig.009b" src="https://static.hindawi.com/articles/ijvt/volume-2013/718920/figures/718920.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Secondary H-bridge inverter voltages and auxiliary source (feeding the H-bridge) current</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="718920.fig.009c" src="https://static.hindawi.com/articles/ijvt/volume-2013/718920/figures/718920.fig.009c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>The main outputs</td></tr></table></td></tr></table>

<table>Desired output, main, auxiliary, and inverter voltage and current waveforms of the realized 7-level inverter under hybrid modulation.</table>

International Journal of Vehicular Technology

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Figure 9

Figure 9: A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion 

Figure 9 | A 7-Level Single DC Source Cascaded H-Bridge Multilevel Inverter with a Modified DTC Scheme for Induction Motor-Based Electric Vehicle Propulsion 