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

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 (wit...

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Published inElectronics (Basel) Vol. 8; no. 12; p. 1460
Main Authors Samadaei, Emad, Kaviani, Mohammad, Iranian, Mina, Pouresmaeil, Edris
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.12.2019
Subjects
Capacitors
Circuits
Electric potential
Inverters
Modules
Multilevel
Semiconductors
Topology
Voltage
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Summary: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.
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ISSN:2079-9292
2079-9292
DOI:10.3390/electronics8121460