NEW CASCADED MULTILEVEL INVERTER WITH REDUCED NUMBER OF COMPONENTS
- In
this article, a new cascaded multilevel inverter is presented.
- For the proposed
inverter, two different algorithms to determine the magnitude of dc voltage
sources are proposed.
- Then, in order to generate maximum numbers of output
voltage levels by using constant number of power switches and or dc voltage
sources, several optimum structures of the proposed inverter are obtained.
- In comparison
with the conventional cascaded multilevel inverters, the proposed inverter is
able to generate high number of output voltage levels by using lower number of power
electronic devices such as power switches, driver circuits, power diodes and dc
voltage sources.
- In addition, the low amount of blocked voltage by switches is
another advantage of the proposed inverter.
- The accuracy performance of the
proposed inverter in generation the positive and negative voltage levels is
verified through the experimental results on a 61- level inverter.
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