Accurate Calculation of Asymmetrical Fault Currents in Complex Power Systems

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 1981Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Power Engineering Review, volume PER-1, pages 39-39 (issn: 0272-1724,

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Authors: A.S. Morched; G.A. Tench; P. Kundur;

doi: 10.1109/mper.1981.5511770 , 10.1109/tpas.1981.317021

Accurate Calculation of Asymmetrical Fault Currents in Complex Power Systems

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Abstract

This paper describes an efficient method for accurate calculation of system asymmetrical short circuit currents for both balanced and unbalanced faults. The method uses a Fourier transform technique to calculate the unidirectional component of the short circuit current and a transient stability program to compute the alternating component. The proposed method is validated by comparing its results with those of a detailed time domain simulation.

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