AC–DC converter with unity power factor and minimum harmonic content of line current: design considerations
AC–DC converter with unity power factor and minimum harmonic content of line current: design considerations
- Author(s): R. Blundell ; L. Kupka ; S. Spiteri
- DOI: 10.1049/ip-epa:19982337
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- Author(s): R. Blundell 1 ; L. Kupka 1 ; S. Spiteri 2
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View affiliations
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Affiliations:
1: Department of Electrical Power and Control Engineering, University of Malta, Msida, Malta
2: Department of Electrical Power and Control Engineering, SGS Microelectronics Ltd., Malta
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Affiliations:
1: Department of Electrical Power and Control Engineering, University of Malta, Msida, Malta
- Source:
Volume 145, Issue 6,
November 1998,
p.
553 – 558
DOI: 10.1049/ip-epa:19982337 , Print ISSN 1350-2352, Online ISSN 1359-7043
The paper describes some important design considerations in developing a variable three-phase AC–DC converter with unity power factor and the minimum harmonic content of the line current using boost converter topology. The design details of expanding a single-phase converter into a three-phase system are presented. The article also describes the major problems encountered in carrying out such essential modifications, together with their practical solution. A detailed circuit design is included. The prototype circuit was tested for both resistive and inductive loads. The results of operating the converter with a typical DC motor load are also presented.
Inspec keywords: power factor; load (electric); DC motors; AC-DC power convertors; power conversion harmonics
Other keywords: minimum harmonic content; inductive loads; circuit design; variable three-phase AC-DC converter; three-phase system; single-phase converter; AC-DC converter; DC motor load; resistive loads; line current harmonics; converter operation; unity power factor; boost converter topology
Subjects: Power convertors and power supplies to apparatus; d.c. machines
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