Submarine Cable 8 — Inductive Effects 3D

Application ID: 43431

In this set of eight tutorial models and associated documentation, you can investigate the capacitive, inductive, and thermal properties of a standard three-core lead-sheathed XLPE HVAC submarine cable with twisted magnetic armor (500 mm2, 220 kV). The series includes a 2D, 2Daxi, 2.5D, and a full 3D analysis, and is on a par with the latest numerical research considering both performance and level of detail. Validation is included: The results are analyzed within the context of the IEC 60287 standard, several recent papers, and analytical models.

The tutorials are intended both for experts looking to get up to speed on how to model such applications in the COMSOL Multiphysics® software and students and engineers interested in the finite element modeling of electromagnetic phenomena in general. The series is not only about cables: It is filled to the brim with useful numerical advice, good engineering practices, result evaluation, advanced postprocessing (including animations), and a detailed treatment of electromagnetic theory.

The series starts by going over the fundamental principles of the physics involved and then gradually increases in complexity by considering additional factors that will affect the cable’s performance. Results from the first models are used to build the next ones, all the way up to the final model: An industrial-scale 3D inductive model with separate lay lengths for the phases and the armor and built-in twisted periodicity. As such, the series can be used at universities and within the industry for a general course on the numerical modeling of electromagnetic devices.

Related Blog Posts

A summary of the first six chapters can be found in this blog post: Modeling Cables in COMSOL Multiphysics®: 8-Part Tutorial Series.

The last two chapters focus on 3D cable modeling. They are showcased in the following blog post: Using 3D Models to Investigate Inductive Effects in a Submarine Cable.

This model example illustrates applications of this type that would nominally be built using the following products: