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Snubber-assisted zero-voltage and zero-current transition bilateral buck and boost chopper for EV drive application and test evaluation at 25 kW / Tsuruta, Y. in IEEE transactions on industrial electronics, Vol. 56 N°1 (Janvier 2009) 

Public ISBD [article]  in IEEE transactions on industrial electronics > Vol. 56 N°1 (Janvier 2009) . - pp. 4 - 11 Titre : Snubber-assisted zero-voltage and zero-current transition bilateral buck and boost chopper for EV drive application and test evaluation at 25 kW Type de document : texte imprimé Auteurs : Tsuruta, Y., Auteur ; Ito, Y., Auteur ; Kawamura, A., Auteur Année de publication : 2009 Article en page(s) : pp. 4 - 11 Note générale : electronics Langues : Anglais (eng) Mots-clés : DC-DC  power  convertors;  choppers  (circuits);  electric  drives;  electric  vehicles;  switching  convertors;  zero  current  switching;  zero  voltage  switching Résumé : A new high-efficiency and high-power bilateral buck and boost chopper circuit for the electric-vehicle drive application is presented. The operation principle of snubber-assisted zero-voltage and zero-current transition (SAZZ) topology was applied, and a new SAZZ bilateral buck-boost chopper circuit (SAZZ-1) was created by combining two basic SAZZ circuit types. A 50-kHz 25-kW SAZZ-1 was fabricated and tested. An efficiency of 96.6% at 25 kW with boost mode (input: 250 V/output: 390 V) in forward direction and an efficiency of 97.4% at 25 kW with buck mode (input: 420 V/output: 300 V) in forward direction were obtained. The high potentiality of the SAZZ-1 chopper is demonstrated as we expected. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4682708&sortType%3Das [...] [article] Snubber-assisted zero-voltage and zero-current transition bilateral buck and boost chopper for EV drive application and test evaluation at 25 kW [texte imprimé] / Tsuruta, Y., Auteur ; Ito, Y., Auteur ; Kawamura, A., Auteur . - 2009 . - pp. 4 - 11. electronics Langues : Anglais (eng) in IEEE transactions on industrial electronics > Vol. 56 N°1 (Janvier 2009) . - pp. 4 - 11 Mots-clés : DC-DC  power  convertors;  choppers  (circuits);  electric  drives;  electric  vehicles;  switching  convertors;  zero  current  switching;  zero  voltage  switching Résumé : A new high-efficiency and high-power bilateral buck and boost chopper circuit for the electric-vehicle drive application is presented. The operation principle of snubber-assisted zero-voltage and zero-current transition (SAZZ) topology was applied, and a new SAZZ bilateral buck-boost chopper circuit (SAZZ-1) was created by combining two basic SAZZ circuit types. A 50-kHz 25-kW SAZZ-1 was fabricated and tested. An efficiency of 96.6% at 25 kW with boost mode (input: 250 V/output: 390 V) in forward direction and an efficiency of 97.4% at 25 kW with buck mode (input: 420 V/output: 300 V) in forward direction were obtained. The high potentiality of the SAZZ-1 chopper is demonstrated as we expected. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4682708&sortType%3Das [...]