Computation of Carson formulas using piecewise approximation of kernel function (CROSBI ID 255759)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Krolo, Ivan ; Vujević, Slavko ; Modrić, Tonći
engleski
Computation of Carson formulas using piecewise approximation of kernel function
Novel approach for high-accurate computation of Carson formulas is presented. Carson formulas are used for computation of per-unit length (pul) self and mutual impedances of infinitely long parallel conductors. Numerical algorithm described in this paper uses a piecewise approximation of kernel function which appears in Carson formula corrections. Approximated kernel function is multiplied by the rest of integrands in impedance correction expressions and analytically integrated. Using the proposed algorithm, high-accurate results with the desired computer machine n-digit accuracy can easily be obtained. Results computed by the proposed algorithm are compared with two most commonly used approximation methods for large frequency range.
Carson formulas ; mutual impedance ; numerical algorithm ; piecewise approximation ; self-impedance
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Podaci o izdanju
31 (1-2)
2018.
15-30
objavljeno
1330-1365
10.31534/engmod.2018.1-2.si.02_bdny