Abstract
In comparison with among cascaded H-bridge multilevel inverter, diode clamped multilevel inverter, flying capacitor multilevel inverter, the cascaded H-bridge multilevel inverter is the most popular. Because of its reduced number of components, this inverter has gained popularity. But among the chief disadvantages, requirement of large no. of isolated voltage sources per cell makes the system bulky and costly. The essentiality of multilevel inverter is established by giving high output power from the medium voltage sources like batteries, super-capacitors, and solar panels at a reduced harmonic distortion. Although the current multilevel inverters reduced the total harmonic distortion, but a concern on higher no. of component counts is still present. Also, the presence of different ratings of capacitors and clamping diodes makes these topologies more complex and costly. A new model of inverter is proposed in this paper. This proposed model contains lesser amount of components which has a single DC source and no capacitor and clamping diode. This leads to simplicity, cost efficiency and reduction of switching loss and hence improvement of the overall efficiency.
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