A novel high-frequency transformer-linked soft-switching half-bridge DC–DC converter with constant-frequency asymmetrical PWM scheme / Mishima, Tomokazu in IEEE transactions on industrial electronics, Vol. 56 N° 8 (Août 2009)  

Public ISBD [article]  inIEEE transactions on industrial electronics > Vol. 56 N° 8 (Août 2009) . - pp. 2961 - 2969 Titre : A novel high-frequency transformer-linked soft-switching half-bridge DC–DC converter with constant-frequency asymmetrical PWM scheme Type de document : texte imprimé Auteurs : Mishima, Tomokazu, Auteur ; Nakaoka, Mutsuo, Auteur Article en page(s) : pp. 2961 - 2969 Note générale : Génie électrique Langues : Anglais (eng) Mots-clés : Asymmetrical half-bridge (AHB) Dc-dc converter Constant-frequency pulsewidth modulation (PWM) High-frequency (HF) link Soft commutation Zero-current switching (ZCS) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a novel soft-switching half-bridge dc-dc converter with high-frequency link. The newly proposed soft-switching dc-dc converter consists of a single-ended half-bridge inverter controlled by an asymmetrical pulsewidth-modulation scheme and a center-tapped diode rectifier. In order to attain the wide range of soft commutation under constant switching frequency, the single active edge-resonant snubber cell composed of a lossless inductor and a switched capacitor is employed for the half-bridge inverter leg, providing and assisting zero-current-switching operations in the switching power devices. The practical effectiveness of the proposed soft-switching dc-dc converter is demonstrated by the experimental results from an 800 W - 55 kHz prototype. In addition, the feasibility of the dc-dc converter topology is proved from the viewpoints of the high efficiency and high power density. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4776488 [article] A novel high-frequency transformer-linked soft-switching half-bridge DC–DC converter with constant-frequency asymmetrical PWM scheme [texte imprimé] / Mishima, Tomokazu, Auteur ; Nakaoka, Mutsuo, Auteur . - pp. 2961 - 2969. Génie électrique Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N° 8 (Août 2009) . - pp. 2961 - 2969 Mots-clés : Asymmetrical half-bridge (AHB) Dc-dc converter Constant-frequency pulsewidth modulation (PWM) High-frequency (HF) link Soft commutation Zero-current switching (ZCS) Index. décimale : 621.38 Dispositifs électroniques. Tubes à électrons. Photocellules. Accélérateurs de particules. Tubes à rayons X Résumé : This paper presents a novel soft-switching half-bridge dc-dc converter with high-frequency link. The newly proposed soft-switching dc-dc converter consists of a single-ended half-bridge inverter controlled by an asymmetrical pulsewidth-modulation scheme and a center-tapped diode rectifier. In order to attain the wide range of soft commutation under constant switching frequency, the single active edge-resonant snubber cell composed of a lossless inductor and a switched capacitor is employed for the half-bridge inverter leg, providing and assisting zero-current-switching operations in the switching power devices. The practical effectiveness of the proposed soft-switching dc-dc converter is demonstrated by the experimental results from an 800 W - 55 kHz prototype. In addition, the feasibility of the dc-dc converter topology is proved from the viewpoints of the high efficiency and high power density. DEWEY : 621.38 ISSN : 0278-0046 En ligne : http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4776488

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