Predicting total harmonic distortion in asymmetric digital subscriber line transformers by simulation

Author

Wilson, Peter R. ; Ross, J. Neil ; Brown, Andrew D.

Author_Institution

Dept. of Electron. & Comput. Sci., Univ. of Southampton, UK

Volume

40

Issue

3

fYear

2004

fDate

5/1/2004 12:00:00 AM

Firstpage

1542

Lastpage

1549

Abstract

As a design application, the asymmetric digital subscriber line (ADSL) broad-band line transformer offers somewhat different challenges than those in power supply design. In this paper, we use simulation to analyze total harmonic distortion (THD) as affected by the nonlinear behavior of the magnetic material in a line transformer. We use a mixed-technology model of the line transformer and circuit simulation to predict the level of THD for a variety of core types and configurations. A comparison of the simulation results with measured THD figures demonstrates the accuracy of the models.

Keywords

circuit simulation; digital subscriber lines; harmonic distortion; hysteresis; magnetic materials; mixed analogue-digital integrated circuits; transformers; ADSL broad-band line transformer; asymmetric digital subscriber line transformers; circuit simulation; hysteresis; magnetic material; mixed-technology model; nonlinear behavior; power supply design; total harmonic distortion prediction; Analytical models; Circuit simulation; DSL; Harmonic analysis; Magnetic analysis; Magnetic materials; Power supplies; Predictive models; Total harmonic distortion; Transformers; ADSL; Asymmetric digital subscriber line; THD; hysteresis; modeling; simulation; total harmonic distortion;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2004.826907

Filename

1298925