A generalized half-wave symmetry SHE-PWM formulation for multilevel voltage inverters / Wanmin, Fei in IEEE transactions on industrial electronics, Vol. 57 N° 9 (Septembre 2010)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 57 N° 9 (Septembre 2010) . - pp. 3030 - 3038 Titre : A generalized half-wave symmetry SHE-PWM formulation for multilevel voltage inverters Type de document : texte imprimé Auteurs : Wanmin, Fei, Auteur ; Xiaoli, Du, Auteur ; Bin Wu, Auteur Année de publication : 2011 Article en page(s) : pp. 3030 - 3038 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Half-cycle symmetry Multilevel inverter Pulsewidth modulation (PWM) Selective harmonic elimination (SHE) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Half-cycle symmetry selective-harmonic-elimination pulsewidth-modulation (SHE-PWM) problems may have a large number of valid solutions, which are beneficial to the optimization design. This paper proposes a novel generalized formulation of half-cycle symmetry SHE-PWM problems for multilevel inverters. The advantages of the proposed formulation include simplicity in format, flexibility in PWM waveforms, and a broad solution space. A method to obtain initial values for the SHE-PWM equations according to the reference modulation index M and the initial phase angle of output fundamental voltage is proposed and investigated thoroughly. Take a five-level inverter with M = 0.75 as an example; six sets of solutions for two typical initial phase angles of 0° and 90° are presented. Simulations and experiments are carried out. It is demonstrated that the experimental results agree well with simulated ones, which proves the validity and practicability of the new method proposed. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5345726 [article] A generalized half-wave symmetry SHE-PWM formulation for multilevel voltage inverters [texte imprimé] / Wanmin, Fei, Auteur ; Xiaoli, Du, Auteur ; Bin Wu, Auteur . - 2011 . - pp. 3030 - 3038. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 57 N° 9 (Septembre 2010) . - pp. 3030 - 3038 Mots-clés : Half-cycle symmetry Multilevel inverter Pulsewidth modulation (PWM) Selective harmonic elimination (SHE) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : Half-cycle symmetry selective-harmonic-elimination pulsewidth-modulation (SHE-PWM) problems may have a large number of valid solutions, which are beneficial to the optimization design. This paper proposes a novel generalized formulation of half-cycle symmetry SHE-PWM problems for multilevel inverters. The advantages of the proposed formulation include simplicity in format, flexibility in PWM waveforms, and a broad solution space. A method to obtain initial values for the SHE-PWM equations according to the reference modulation index M and the initial phase angle of output fundamental voltage is proposed and investigated thoroughly. Take a five-level inverter with M = 0.75 as an example; six sets of solutions for two typical initial phase angles of 0° and 90° are presented. Simulations and experiments are carried out. It is demonstrated that the experimental results agree well with simulated ones, which proves the validity and practicability of the new method proposed. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5345726

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