NDLI: The analysis of the solutions for harmonic elimination PWM bipolar waveform with a specialized differential evolution algorithm

Content Provider	IEEE Xplore Digital Library
Author	Rosu, S.G. Radoi, C. Florescu, A. Guglielmi, P. Pastorelli, M.
Copyright Year	2012
Description	Author affiliation: Department of Applied Electronics and Information Engineering, "Politehnica" University of Bucharest, 060042 Bucharest, Romania (Rosu, S.G.; Radoi, C.; Florescu, A.) \|\| Department of Energy, Politecnico di Torino, 10129 Torino, Italy (Guglielmi, P.; Pastorelli, M.)
Abstract	The selective harmonic elimination pulse-width modulation (SHE-PWM) offers multiple solutions depending of the number of switching angles or problem formulation, each one with different harmonic performance. This paper proposes a novel approach to the SHE-PWM problem, using a minimization technique based on a specialized evolutionary algorithm that can find all solutions for a given modulation index. The algorithm, based on the Differential Evolution (DE), is tested on the bipolar waveform with quarter-wave symmetry for three-phase inverters. In order to provide a complete analysis of the solutions, four performance indicators are used: a harmonic distortion factor that takes into account the first two (HDF2) and the first four (HDF4) significant harmonics, the total harmonic distortion (THD) and weighted THD (WTHD) of the output line voltage. The distribution of the switching angles in the first quarter-period is also analyzed and a general formulation that allows the identification of the best solution from the ones found for N switching angles is proposed.
Starting Page	814
Ending Page	821
File Size	1982134
Page Count	8
File Format	PDF
ISBN	9781467316507
ISSN	18420133
e-ISBN	9781467316538
e-ISBN	9781467316521
DOI	10.1109/OPTIM.2012.6231900
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-24
Publisher Place	Romania
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neighborhood Differential Evolution Switches Euclidean distance Selective harmonic elimination (SHE) PWM Pulse width modulation Harmonic analysis Vectors bipolar waveform Equations
Content Type	Text
Resource Type	Article

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