Using Averaged Modeling for Capacitors Voltages Observer in NPC Inverter

<table>Real and estimated capacitors voltages <svg height="15.45" id="M176" style="vertical-align:-3.43848pt" version="1.1" viewbox="0 0 27.4625 15.45" width="27.4625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,12.675,15.187)"><path d="M682 629q-1 -16 -1.5 -72t-2.5 -86l-31 -4q-5 92 -51 129t-139 37q-100 0 -177 -49t-116 -125t-39 -162q0 -122 66 -201t182 -79q83 0 137 42.5t112 128.5l26 -15q-12 -31 -42.5 -88t-45.5 -75q-139 -27 -199 -27q-148 0 -243 81.5t-95 226.5q0 173 129.5 274.5
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</svg> (V) using nonideal average model with disturbance load.</table>

Advances in Power Electronics

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Figure 16

Figure 16: Using Averaged Modeling for Capacitors Voltages Observer in NPC Inverter 