A New Reduced Switch Multilevel Inverter for PV Applications

Hesamodin Abdoli, Amir Khorsandi, Bahman Eskandari, Javad Shokrollahi Moghani

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review


According to the increase of Multi-Level Inverter (MLI) applications in distributed generations, a novel single-phase grid-connected MLI topology is proposed in this paper. The proposed inverter is planned to feed the utility grid from renewable energy sources (RESs) to overcome the issue of output sinusoidal waveform in conventional MLIs by generating a multilevel waveform with too many levels, and fewer switches count. The proposed structure is fault-tolerant and modular. A detailed analysis of the proposed topology for two different 13 and 20 switches have been carried out to show its superiority over the conventional MLI topologies. The 79-level and 321-level of the proposed MLI are designed and simulated in MATLAB/SIMULINK environment. After a precise simulation, due to compliance with the IEC 61727-2004, about total harmonic distortion (THD) of output voltage and current, there is no need to use extra output filter.

Original languageEnglish
Title of host publicationProceedings of the 11th Power Electronics, Drive Systems, and Technologies Conference, PEDSTC 2020
Number of pages5
ISBN (Electronic)9781728158495
Publication statusPublished - Feb 2020
MoE publication typeA4 Article in a conference publication
EventPower Electronics, Drive Systems and Technologies Conference - Tehran, Iran, Islamic Republic of
Duration: 4 Feb 20206 Feb 2020
Conference number: 11


ConferencePower Electronics, Drive Systems and Technologies Conference
Abbreviated titlePEDSTC
CountryIran, Islamic Republic of


  • Cascade H-bridge inverter
  • Diode clamped inverter
  • flying capacitor inverter
  • Multi-Level Inverter
  • PV Application
  • Topology

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