Voltage quality bounds of multilevel converters

Gert Mehlmann; Alex Ruderman; Gerhard Herold

doi:10.1109/EnergyCon.2012.6348281

Voltage quality bounds of multilevel converters

Gert Mehlmann, Alex Ruderman, Gerhard Herold

Department of Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

Multilevel converters feature a staircase voltage waveform, resulting in a high voltage quality. By a practical time domain approach, upper and lower bounds of the voltage quality can be derived as closed form analytical expressions. The voltage quality bounds are introduced for single-and three-phase converters with an arbitrary number of voltage levels and for different modulation indices. PWM voltage quality comparison with the theoretical lower and upper bounds is useful for a fair assessment of different switching strategies and for an improved converter control. The analytic definitions for the voltage quality bounds allow the use in everyday engineering practice.

Original language	English
Title of host publication	2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012
Pages	90-97
Number of pages	8
DOIs	https://doi.org/10.1109/EnergyCon.2012.6348281
Publication status	Published - Dec 14 2012
Event	2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012 - Florence, Italy Duration: Sep 9 2012 → Sep 12 2012

Publication series

Name	2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012

Other

Other	2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012
Country	Italy
City	Florence
Period	9/9/12 → 9/12/12

Keywords

Multilevel converter
voltage quality

ASJC Scopus subject areas

Energy Engineering and Power Technology
Fuel Technology

Access to Document

10.1109/EnergyCon.2012.6348281

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Cite this

Mehlmann, G, Ruderman, A & Herold, G 2012, Voltage quality bounds of multilevel converters. in 2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012., 6348281, 2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012, pp. 90-97, 2012 IEEE International Energy Conference and Exhibition, ENERGYCON 2012, Florence, Italy, 9/9/12. https://doi.org/10.1109/EnergyCon.2012.6348281

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