A dual source switched‐capacitor multilevel inverter with reduced device count

Mohammad Fahad, Mohd Tariq, Mohammad Faizan, Atib Ali, Adil Sarwar, Hossein Dehghani Tafti, Shafiq Ahmad, Adamali Shah Noor Mohamed

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Implementing voltage boost multilevel inverter topologies for PV and fuel cell energy sources is highly advantageous. Switched‐capacitor multilevel inverters (SCMLI) have a step‐up feature with low device requirements and can remove the need for high gain dc‐dc converters lead-ing to reduced overall system bulk. This work proposes a dual input SCMLI to achieve an output of nineteen levels while using a low number of components and high boosting factor and self‐bal-ancing of capacitor voltages. A comprehensive analysis of the proposed structure is presented, fo-cusing on component requirements, cost and dynamic performance. The efficiency and loss distribution during operation is also provided. The operation and real‐time performance of the SCMLI have been verified by simulation. Experimental results further validate the simulation results.

Original languageEnglish
Article number67
JournalElectronics (Switzerland)
Issue number1
Publication statusPublished - 1 Jan 2022


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