Generalized Multicarrier PWM Technique for Two-Level Voltage Source Inverters

Abraham Marquez Alcaide, Vito Giuseppe Monopoli, Eduardo Zafra, Giampaolo Buticchi, Jose I. Leon, Sergio Vazquez, Marco Liserre, Leopoldo Garcia Franquelo

    Research output: Journal PublicationArticlepeer-review

    4 Citations (Scopus)

    Abstract

    Two-level voltage source inverters are the mainstream solution for many power applications. The conventional modulation method of such inverters is the single-carrier pulsewidth modulation (PWM) technique. In this article, the usage of a generalized PWM method with three independent carriers is analyzed. The carrier phase-displacement angles are evaluated in order to reduce the common-mode voltage (CMV) total harmonic distortion (THD), the dc-link capacitor current THD, and the phase currents THD. These targets are difficult to be met at the same time and a cost function is deployed in order to look for a suitable solution that develops a tradeoff between all the targets. The proposed method has been tested in a laboratory prototype demonstrating its superior performance.

    Original languageEnglish
    Pages (from-to)4345-4355
    Number of pages11
    JournalIEEE Transactions on Industrial Electronics
    Volume70
    Issue number5
    DOIs
    Publication statusPublished - 1 May 2023

    Keywords

    • Harmonic analysis
    • multilevel converters
    • pulsewidth modulation (PWM)

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Electrical and Electronic Engineering

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