Soft-switched PWM converter with inductive DC filter

Author

Leonardi, Franco ; Rossetto, Leopoldo ; Scandellari, Adriano ; Speranza, Riccardo ; Tomasin, Paolo ; Tenti, Paolo ; Divan, Deepakraj M.

Author_Institution

Dept. of Electr. Eng., Padova Univ., Italy

Volume

31

Issue

2

fYear

1995

Firstpage

293

Lastpage

298

Abstract

This paper presents a soft-switched AC/DC power converter structure, useful for current-fed inverters and forced-commutated PWM rectifiers with inductive loads. Typical applications are high-power AC motor drives, magnet power supplies and active power filters with inductive energy storage. As compared to hard-switched power converters, the proposed solution calls for some increase of the circuit complexity, but provides improved input and output performances due to the higher switching frequency. Further improvements are ensured by proper control of the commutation process. Actual power converter capabilities are demonstrated by experimental results

Keywords

AC-DC power convertors; PWM power convertors; circuit testing; load (electric); network synthesis; power filters; switching circuits; thyristor convertors; AC motor drives; AC/DC power converter; active power filters; applications; capabilities; current-fed inverters; forced-commutated PWM rectifiers; inductive DC filter; inductive energy storage; inductive loads; magnet power supplies; performance; soft-switched PWM converter; switching frequency; AC motors; Active filters; Analog-digital conversion; Energy storage; Magnetic separation; Power supplies; Pulse width modulation converters; Pulse width modulation inverters; Rectifiers; Switching converters;

fLanguage

English

Journal_Title

Industry Applications, IEEE Transactions on

Publisher

ieee

ISSN

0093-9994

Type

jour

DOI

10.1109/28.370276

Filename

370276