This paper presents a two phase boost converter with tapped inductors suitable for 14 V/42 V automotive applications. By using tapped inductors, cancellation of the converter input and output current harmonics has been achieved although the converter operates at 50 % duty cycle and with the required voltage conversion ratio of 1:3. Both tapped inductors have been integrated on a single core to reduce the size and cost of the magnetic component. The paper outlines a detailed analysis of the converter and gives experimental results obtained from the full-size prototype. The proposed converter achieves virtually zero input ripple current. Compared with the conventional three-phase boost converter less active switching devices and less drivers are required. The input current ripple increases with increasing deviations of the duty cycle from the optimum of 50 %. The proposed converter can therefore be an attractive solution for the 14 V / 42 V automotive power net in particular for applications where only a constant voltage conversion is required.
Two-phase boost converter for 14 V/42 V automotive applications using coupled tapped inductors
Zweiphasiger Hochsetzsteller für 14 V/42 V-Kfz-Anwendungen mit zwei gekoppelten und angezapften Spulen
2008
6 Seiten, 15 Bilder, 4 Quellen
(ohne Paginierung)
Conference paper
Storage medium
English
Abgriff , Betriebsverhalten , Einschaltdauer , Filter (Nachrichtentechnik) , Geräteprüfung , Gleichspannungswandler , Kraftfahrzeugelektronik , Leistungselektronik , magnetische Induktion , mathematische Analyse , Produktvergleich , Prototyp , Schaltungsentwurf , Spule (induktiv) , Versuchsmuster , Welligkeit , Kraftfahrzeugbordnetz
High power buck-boost DC/DC converter for automotive powertrain applications
Tema Archive | 2005
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