Transmission line model for large step size transient simulations

TitleTransmission line model for large step size transient simulations
Publication TypeConference Paper
Year of Publication1999
AuthorsIbrahim, A., S. Henschel, H. Dommel, and T. Niimura
Conference NameElectrical and Computer Engineering, 1999 IEEE Canadian Conference on
Pagination1191 -1194 vol.2
Keywordsconstant parameter line model, ELECTROMAGNETIC TRANSIENTS, EMTP, large step size transient simulations, power system analysis computing, power system transients, power transmission line model, power transmission lines, transmission line theory, travel time, very short transmission cables

This paper presents a new model for the representation of very short transmission lines and cables. This model is an extension for the constant parameter line model in the electromagnetic transient programs such as the EMTP. It overcomes the limitation of using a time step size not larger than the travel time. Unlike the nominal pi;-circuit line model, which is commonly used to represent short lines and cables, the new line model represents the electromagnetic transients more accurately. Simulations have been performed comparing the proposed line model with existing line models, for a case where the new line model provides more accurate results


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