Mitigation of erroneous oscillations in electromagnetic transient simulations using analogue filter theory

Justo de Araújo, Anderson R., Kurokawa, Sérgio, Shinoda, Ailton A. and Costa, Eduardo C. M. 2017. Mitigation of erroneous oscillations in electromagnetic transient simulations using analogue filter theory. IET Science, Measurements and Technology 11 (1) , pp. 41-48. 10.1049/iet-smt.2016.0166

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Abstract

An efficient and simplified procedure is proposed for the reduction of high-frequency oscillations and erroneous magnitude peaks in electromagnetic transient simulations in power transmission systems modelled by the lumped electric parameters approach. This procedure consists of the inclusion of analogue filters in the equivalent representation of multiconductor transmission lines without modifying its electromagnetic propagation characteristics. The analogue filter modelling is conducted as a function of the line length and line parameters. The proposed simulation methodology is applied directly in the line modelling, which means that the filtering/correction process represents a real-time process during simulations, without post-processing filtering techniques using digital filters or variations in the solution methods. The results obtained directly in the time domain by the proposed modelling/simulation methodology are compared with simulations obtained from well-established line models using the numerical Laplace transform and the Bergeron method.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Wiley Open Access
ISSN:	1751-8822
Date of Acceptance:	31 August 2016
Last Modified:	14 Mar 2024 15:15
URI:	https://orca.cardiff.ac.uk/id/eprint/166485

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