Power factor improvement for high power low voltage AC arcs

Author

Dawson, Francis P.

Author_Institution

Dept. of Electr. Eng., Toronto Univ., Ont., Canada

fYear

1990

fDate

7-12 Oct. 1990

Firstpage

1056

Abstract

The operation of two series-connected static voltampere reactive (VAR) compensators suitable for 3 phi AC arc loads is described. The circuit model for an arc furnace and factors contributing to the determination of the equivalent circuit parameters are discussed. Two types of active compensators, shunt compensators and a cycloconverter are discussed briefly. The operating principles for a single phase of the current-source-fed and voltage-source-fed converter, three-phase power circuit representations, and the analysis for a single phase of a current and voltage-driven series converter, including graphical results, are presented.<>

Keywords

arcs (electric); cycloconvertors; power convertors; power factor; static VAr compensators; active compensators; arc furnace; circuit model; current-source fed converter; cycloconverter; equivalent circuit parameters; high power; low voltage AC arcs; operating principles; series connection; shunt compensators; single phase; static VAr compensators; three phase; voltage-source-fed converter; Capacitors; Circuits; Electrodes; Feeds; Frequency; Inductors; Low voltage; Power system harmonics; Reactive power; Voltage fluctuations;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Society Annual Meeting, 1990., Conference Record of the 1990 IEEE

Conference_Location

Seattle, WA, USA

Print_ISBN

0-87942-553-9

Type

conf

DOI

10.1109/IAS.1990.152315

Filename

152315