A new low cost cascaded transformer multilevel inverter topology using minimum number of components

(in lingua inglese)

In this paper, a cascaded transformer multilevel inverter with reduced number of switching components is presented. The proposed topology utilizes low-frequency single-phase transformers and a DC voltage source. This configuration can reduce the number of switches in comparison with conventional cascaded transformer multilevel inverters. Selective harmonic elimination technique is applied to mitigate the loworder harmonic components. In order to verify the operation and performance of the proposed inverter, simulation and experimental results using a single-phase 9-level multilevel inverter prototype are provided.

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Fonte: Articolo Ain Shams Engineering Journal, 2014
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