Frequency-Dependent Pi Model of a Three-Core Submarine Cable for Time and Frequency Domain Analysis

Carlos Ruiz, Gonzalo Abad, Markel Zubiaga, Danel Madariaga and Joseba Arza
Additional contact information
Carlos Ruiz: Electronics and Computing Department, Mondragon University, 20500 Mondragon, Spain
Gonzalo Abad: Electronics and Computing Department, Mondragon University, 20500 Mondragon, Spain
Markel Zubiaga: Ingeteam R&D Europe S. L., 48170 Zamudio, Spain
Danel Madariaga: Ingeteam R&D Europe S. L., 48170 Zamudio, Spain
Joseba Arza: Ingeteam R&D Europe S. L., 48170 Zamudio, Spain

Energies, 2018, vol. 11, issue 10, 1-21

Abstract: In this paper, a Frequency-Dependent Pi Model (FDPi) of a three-core submarine cable is presented. The model is intended to be used for the representation of submarine cables in an Offshore Wind Power Plant (OWPP) scenario for both time and frequency domain analysis. The frequency-dependent variation of each conductive layer is modeled by a Foster equivalent network whose parameters are tuned by means of Vector Fitting (VF) algorithm. The complete formulation for the parameterization of the model is presented in detail, which allows an easy reproduction of the presented model. The validation of the model is performed via a comparison with a well-established reference model, the Universal Line Model (ULM) from PSCAD/EMTDC software. Two cable system case studies are presented. The first case study shows the response of the FDPi Model for a three-core submarine cable. On the other hand, the second case study depicts the response of three single-core underground cables laying in trefoil formation. This last case shows the applicability of the FDPi Model to other types of cable systems and indirectly validates the response of the aforementioned model with experimental results. Additionally, potential applications of the FDPi model are presented.

Keywords: cable model; pi sections; power systems; time and frequency domain; vector fitting (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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