Abstract
Computationally efficient high-frequency circuit models of long cables are necessary for accurate analysis of electromagnetic effects in power converter systems. In this paper, an advanced modeling technique utilizing different natural symmetries present in industrial power cables is introduced, resulting simultaneously in a significant reduction of the model complexity and an improved model precision as compared to the previously developed modeling methodology. Additionally, a method for extraction of the cable's per-unit-length parameters is derived allowing scalability of the developed model to arbitrary lengths for the cable of the same type. The developed methodology is validated by comparing the results obtained using simulations with the measurements in both frequency and time domain.
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