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This paper proposes a frequency dependent model for armored power cables using FE method. The model parameters are obtained by conducting a series of studies using coupled circuit-field analysis. The frequency response of the cable was obtained by coupling the cable FE domain model and external electric circuits. This frequency response was then fitted with rational function approximation. The resulting...
An analysis is presented of voltage transients resulting from a short circuiting accident in a telecommunications DC power distribution system. Two typical sorts of DC distribution systems, bus-cable and radial-cable methods, are modeled and numerically analyzed. Main results are as follows: (1) DC distribution system models, which can simulate voltage transients waveforms accurately, are obtained...
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