PWM power converter voltage quality bounds and their applicability to non-PWM control schemes

A. Ruderman, B. Reznikov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

The paper presents simple closed-form analytical expressions for PWM power converter ripple voltage Normalized Mean Square lower and upper bounds. These estimates obtained in time domain are asymptotic in the sense that switching-to-fundamental frequencies ratio is supposed infinitely large. Ripple voltage Normalized Mean Square in the first approximation represents normalized additional eddy current iron core loss in electric motor, transformer, or coupling inductor caused by converter switching that is a dominant switching loss mechanism. Non-PWM voltage control schemes like sliding mode, hysteresis, direct torque and power control, and predictive control may deliver better tracking, and disturbance rejection performance at the expense of compromising voltage quality thus increasing converter switching caused iron core loss. Comparison with PWM voltage quality asymptotic lower and upper bounds may be useful for making a fair assessment of different non-PWM strategies from additional switching caused iron core loss perspective.

Original languageEnglish
Title of host publication2010 12th International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2010
Pages618-624
Number of pages7
DOIs
Publication statusPublished - Aug 24 2010
Event2010 12th International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2010 - Brasov, Romania
Duration: May 20 2010May 22 2010

Publication series

NameProceedings of the International Conference on Optimisation of Electrical and Electronic Equipment, OPTIM
ISSN (Print)1842-0133

Conference

Conference2010 12th International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2010
CountryRomania
CityBrasov
Period5/20/105/22/10

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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  • Cite this

    Ruderman, A., & Reznikov, B. (2010). PWM power converter voltage quality bounds and their applicability to non-PWM control schemes. In 2010 12th International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2010 (pp. 618-624). [5510569] (Proceedings of the International Conference on Optimisation of Electrical and Electronic Equipment, OPTIM). https://doi.org/10.1109/OPTIM.2010.5510569