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A discontinuous PWM method for balancing the neutral point voltage in three-level inverter-fed variable frequency drives / Ben-Brahim, L. in IEEE transactions on energy conversion, Vol. 23 n°4 (Décembre 2008) 

Public ISBD [article]  in IEEE transactions on energy conversion > Vol. 23 n°4 (Décembre 2008) . - pp. 1057 - 1063 Titre : A discontinuous PWM method for balancing the neutral point voltage in three-level inverter-fed variable frequency drives Type de document : texte imprimé Auteurs : Ben-Brahim, L., Auteur Année de publication : 2009 Article en page(s) : pp. 1057 - 1063 Note générale : Energy conversion Langues : Anglais (eng) Mots-clés : PWM  invertors;  electric  drives Résumé : The paper describes a new discontinuous carrier-based pulsewidth modulation (PWM) method for use in variable frequency drives (VFD) driven by three-level inverters. The method introduces three different switching patterns for the full range of operating speeds. Depending on the actual operating speed, the proposed algorithm is developed to select the most suitable PWM switching pattern that improves the VFD performance. This results in low imbalance in the DC-link capacitor voltage, and low current distortions without increasing switching losses. Theory, simulation, and experimental results are presented. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4675800&sortType%3Das [...] [article] A discontinuous PWM method for balancing the neutral point voltage in three-level inverter-fed variable frequency drives [texte imprimé] / Ben-Brahim, L., Auteur . - 2009 . - pp. 1057 - 1063. Energy conversion Langues : Anglais (eng) in IEEE transactions on energy conversion > Vol. 23 n°4 (Décembre 2008) . - pp. 1057 - 1063 Mots-clés : PWM  invertors;  electric  drives Résumé : The paper describes a new discontinuous carrier-based pulsewidth modulation (PWM) method for use in variable frequency drives (VFD) driven by three-level inverters. The method introduces three different switching patterns for the full range of operating speeds. Depending on the actual operating speed, the proposed algorithm is developed to select the most suitable PWM switching pattern that improves the VFD performance. This results in low imbalance in the DC-link capacitor voltage, and low current distortions without increasing switching losses. Theory, simulation, and experimental results are presented. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4675800&sortType%3Das [...]