Three-phase electromagnetic filter for zero sequence harmonics

Author

Apolonio, R. ; de Oliveira, J.C. ; de Vasconcellos, A.B.

Author_Institution

Fed. Univ. of Mato Grosso, Brazil

fYear

2004

fDate

12-15 Sept. 2004

Firstpage

613

Lastpage

618

Abstract

This paper presents the modeling and implementation of a filtering proposal based on arrangement of zigzag windings in a three-leg core-type destined the elimination or reduction of zero sequence harmonic components. The computational simulations allow the investigation of the filter efficiency under normal and unbalanced supplying voltages. A prototype is constructed and measurements in laboratory are carried through to obtain its electric and magnetic characteristics. The adequate connection of the device in electric installations where there are large harmonic currents allows showing the efficiency of the filtering proposal.

Keywords

digital simulation; installation; power harmonic filters; transformer cores; transformer windings; computational simulation; electric installations; electromagnetic filter; filter efficiency; harmonic currents; harmonic elimination; neutral currents; zero sequence harmonics; zigzag windings; Computational modeling; Electric variables measurement; Filtering; Laboratories; Magnetic cores; Magnetic separation; Power harmonic filters; Proposals; Prototypes; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Harmonics and Quality of Power, 2004. 11th International Conference on

Print_ISBN

0-7803-8746-5

Type

conf

DOI

10.1109/ICHQP.2004.1409423

Filename

1409423