DocumentCode :
2827360
Title :
Time delay identification for transmission line modeling
Author :
Gustavsen, Bjørn
Author_Institution :
SINTEF Energy Res., Trondheim, Norway
fYear :
2004
fDate :
9-12 May 2004
Firstpage :
103
Lastpage :
106
Abstract :
Frequency dependent transmission line models of the traveling wave type requires to approximate the propagation function by a rational function plus a time delay. It is shown that to simply use the time delay of lossless propagation can lead to significant loss of accuracy of the rational approximation. A procedure is shown which optimizes the time delay together with the poles and residues of the rational approximation. This is achieved by combining Brent´s method with vector fitting.
Keywords :
delays; rational functions; transmission line theory; Brent method; frequency dependent transmission line models; lossless propagation; propagation function; rational approximation; rational function; time delay identification; time delay optimization; transmission line modeling; traveling wave type models; vector fitting; Computational efficiency; Computational modeling; Conductors; Delay effects; Frequency dependence; Function approximation; Power system modeling; Power transmission lines; Propagation losses; Transmission lines;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Signal Propagation on Interconnects, 2004. Proceedings. 8th IEEE Workshop on
Print_ISBN :
0-7803-8470-9
Type :
conf
DOI :
10.1109/SPI.2004.1409018
Filename :
1409018
Link To Document :
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