An online no-break with power factor correction and output voltage stabilization

Author

Pacheco, Vinícius Miranda ; De Freitas, Luiz Carlos ; Vieira, João Batista, Jr. ; Pereira, Adriano Alves ; Coelho, Ernane Antônio Alves ; Farias, Valdeir José

Author_Institution

Faculdade de Engenharia Eletrica, Univ. Fed. de Uberlandia, Brazil

Volume

20

Issue

5

fYear

2005

Firstpage

1109

Lastpage

1117

Abstract

The aim of this paper is to introduce a dc-dc converter that can be used in an online uninterruptible power supply (UPS). The proposed converter provides uninterrupted, reliable power and voltage regulation for critical loads, as well as power factor correction in supply systems. Operating principles, theoretical analysis, and control strategy are described. Digital simulation and experimental results are included, supporting the validity of the concept.

Keywords

DC-DC power convertors; digital simulation; power factor correction; uninterruptible power supplies; voltage control; DC-DC converter; UPS; control strategy; digital simulation; online uninterruptible power supply; power factor correction; voltage regulation; voltage stabilization; Batteries; Energy storage; Power factor correction; Power system harmonics; Power system reliability; Reactive power; Regulators; Switches; Uninterruptible power systems; Voltage control; DC–DC converter; uninterruptible power supply (UPS);

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/TPEL.2005.850948

Filename

1504882