A novel method for harmonics and low switching-frequency eliminations for a three-phase PWM inverter

Bouchhida, Ouahid; Tlemçani, Abdelhalim; Boudana, D.; Benmansour, K.; Cherifi, A.; Boucherit, Mohamed Seghir

doi:10.1109/ssd.2008.4632777

Cited by 2 publications

(2 citation statements)

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“…Harmonics and switching frequency cause a major problem in the power systems in general and in switching converters more particularly [1]. To deal with such a problem, two approaches are generally adopted; the well-known sine-triangle (or sinusoidal) pulse width modulation (SPWM) and selective harmonic elimination PWM (SHE-PWM) [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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Design, analysis and implementation of real‐time harmonics elimination: a generalised approach

Makhlouf

Bouchhida

Mokhtar³

2014

IET Power Electronics

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It is not a secret that the problem of harmonics and switching frequency can have a dreadful impact on switching power converters. To counter this problem, a variety of methods have been developed over the years. In this study, a novel method for controlling/eliminating harmonics in switching converters, based on real-time harmonic control, is suggested. The proposed method allows a complete control of the number of eliminated harmonics, as well as the fundamental. The method adopts a modulation strategy using a modified sine carrier. To determine the inverter's optimal switching angles, the well-established particle swarm optimisation algorithm is used. In order to assess the performance of the proposed approach, simulations are carried out. The validity of the method is demonstrated using the digital signal processor based dSPACE environment. The experimental results are very satisfactory and clearly prove the validity of the proposed approach.

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Section: Introductionmentioning

confidence: 99%

“…A generalised approach for calculating the intersection points j i , as shown on both Figs. 1b and c, for a sine-sine PWM consists in solving (1). The intersection angles are expressed in radians (rad)…”

Section: Introductionmentioning

confidence: 99%