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- Title
Combined rectifying system including double-series capacitor-smoothed diode rectifier and series active filter.
- Authors
Fujita, Hideaki; Akagi, Hirofumi; Kohata, Masakazu
- Abstract
This paper proposes a new rectifying system consisting of a series active filter and a double-series three-phase 12-pulse diode rectifier. The supply current in the proposed system has a sinusoidal wave shape because the series active filter suppresses the current harmonics produced by the diode rectifier. Since almost no 5th and 7th harmonics are produced by the double-series 12-pulse diode rectifier, the required peak rating of the series active filter is only 7% of the diode rectifier. In this paper, the control scheme and operating characteristics of the series active filter are theoretically and experimentally discussed. A novel conception that connection of a parallel capacitor to each diode of the rectifier makes a great contribution to reducing the required rating of the series active filter is also presented and verified by some experimental results. © 1997 Scripta Technica, Inc. Electr Eng Jpn, 120(1): 85–94, 1997
- Subjects
ELECTRIC current rectifiers; ELECTRIC filters; DIODES; VOLTAGE regulators; CAPACITORS; ELECTRICAL harmonics; ELECTRIC circuits; ELECTRICAL engineering
- Publication
Electrical Engineering in Japan, 1997, Vol 120, Issue 1, p85
- ISSN
0424-7760
- Publication type
Article
- DOI
10.1002/(SICI)1520-6416(19970715)120:1<85::AID-EEJ12>3.0.CO;2-U