NDLI: A new procedure to derive transmission-line parameters: applications and restrictions

Content Provider	IEEE Xplore Digital Library
Author	Kurokawa, S. Pissolato, J. Tavares, M.C. Portela, C.M. Prado, A.J.
Copyright Year	1986
Abstract	The objective of this paper is to show an alternative methodology to calculate transmission-line parameters per unit length. With this methodology, the transmission-line parameters can be obtained starting from impedances measured in one terminal of the line. First, the article shows the classical methodology to calculate frequency-dependent transmission-line parameters by using Carson's and Pollaczeck's equations for representing the ground effect and Bessel's functions to represent the skin effect. After that, a new procedure is shown to calculate frequency-dependent transmission-line parameters directly from currents and voltages of an existing line. Then, this procedure is applied in a two-phase and a three-phase transmission line whose parameters have been previously calculated by using the classical methodology. Finally, the results obtained by using the new procedure and by using the classical methodology are compared. The article shows simulations results for a typical frequency spectrum of switching transients (10 Hz to 10 kHz).
Sponsorship	IEEE Power Engineering Society
Starting Page	492
Ending Page	498
Page Count	7
File Size	220110
File Format	PDF
ISSN	08858977
Volume Number	21
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmission lines Frequency Power transmission lines Equations Power system transients Conducting materials Magnetic materials Permittivity Soil Grounding transmission-line parameters Electromagnetic transients frequency dependence modal transformation phase domain transmission line
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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