The P-Type Module with Virtual DC Links to Increase Levels in Multilevel Inverters

Emad Samadaei, Mohammad Kaviani, Mina Iranian, Edris Pouresmaeil

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
55 Downloads (Pure)


There has been an active interest in the evolution of newer multilevel inverter topologies in which the highest operation of DC sources become an important subject. In the paper, a new structure module presented a seventeen levels asymmetrical multilevel inverter by using two unequal DC sources (with the ratio 3:1). The configuration was focused on creating virtual DC links by two chargeable capacitors. The module had a simple inherent charging for capacitors without any additional circuit. The proposed multilevel inverter could produce higher voltage levels by a lower number of components; therefore, it is suitable for a wide range of applications. Also, the cascade connection of the module led to a modular topology with more voltage levels at higher voltages. The capability of the inherent negative voltage was involved. The simulation results obtained in MATLAB/Simulink, as well as the experimental results, verified the proposed topology.
Original languageEnglish
Pages (from-to)1460-1475
Number of pages16
Issue number12
Publication statusPublished - 2019
MoE publication typeA1 Journal article-refereed


  • Asymmetric
  • Capacitors
  • Multilevel inverter
  • Power electronics
  • Self-charging
  • Virtual DC links


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