Losses Computation in Thin Conductive Sheaths of Power Cables via an Integral Approach

Giussani, Luca; Rienzo, Luca Di; Bechis, Massimo; Falco, Carlo de

doi:10.1109/tmag.2021.3065673

Cited by 8 publications

(5 citation statements)

References 5 publications

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“…The efficient numerical methods for the simulation of each of the components of the cable have been developed in [2], [3], [4], [5] are briefly recalled below for sake of completeness.…”

Section: Numerical Models For the Cable Sub-componentsmentioning

confidence: 99%

“…The numerical model for the moisture barriers is developed in [5] based on the PEEC formulation for thin media presented in [10].…”

Section: Moisture Barriersmentioning

confidence: 99%

“…1. In previous work [2], [3], [4], [5] it was shown that, by applying suitable integral formulations and exploiting the existing symmetries and periodicity, the study of each subcomponent of such a cable can be performed at a very small fraction of the computational cost of competing methods.…”

Section: Introductionmentioning

confidence: 99%

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Integral Formulation for Losses Computation in Tripolar Submarine Cables With Shield Wires, Moisture Barriers, and Armor

Bechis,

de Falco,

Di Rienzo

2024

IEEE Trans. Magn.

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Method-of-Moments (MoM) is coupled with PEEC in order to compute Joule and hystheresis losses in the armor, shields and moisture barriers of a submarine tripolar cable. The large size and complex structure of the linear algebraic system resulting from the problem discretization demands for a suitably tailored solver. We describe a block-Gauß-Seidel preconditioner for Krylov subspace methods that allows for a matrix-free solver implementation, resulting in a dramatic reduction of computation time and memory requirements w.r.t. other brute-force modeling approaches.

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“…The efficient numerical methods for the simulation of each of the components of the cable have been developed in [2], [3], [4], [5] are briefly recalled below for sake of completeness.…”

Section: Numerical Models For the Cable Sub-componentsmentioning

confidence: 99%

“…The numerical model for the moisture barriers is developed in [5] based on the PEEC formulation for thin media presented in [10].…”

Section: Moisture Barriersmentioning

confidence: 99%

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Integral Formulation for Losses Computation in Tripolar Submarine Cables With Shield Wires, Moisture Barriers, and Armor

Bechis,

de Falco,

Di Rienzo

2024

IEEE Trans. Magn.

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“…The geometry of the power cable exhibits symmetries [6] which can be exploited for assembling the matrix associated to the linear system of equations (1). In order to describe them, it is necessary to analytically represent the curves of the phase cables and of the screen wires.…”

Section: Exploiting Cable Symmetriesmentioning

confidence: 99%

“…) where p 2 and R 2 are the pitch and the radius of the secondary helix twisted along the primary helix (6).…”

Section: Exploiting Cable Symmetriesmentioning

confidence: 99%

Efficient PEEC Computation of Losses and Currents in Screens of Round Wires in Submarine Tripolar Cables

Rienzo¹,

Giussani²,

Bechis³

et al. 2022

Preprint

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<div>A PEEC formulation is applied to compute Joule losses and currents in the wires composing the screens of the phase conductors in a submarine tripolar cable. In order to model the infinite extent of the cable and to reduce the computational burden, simmetries of the geometry are exploited. A good agreement is obtained with brute force FEM simulations, with a dramatic reduction of computational times and memory requirement.</div>

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An Integral Formulation for Rectangular Wires in a 3D Magneto-Quasi-Static Field

Cambareri,

Di Rienzo,

Bechis

et al. 2023

IEEE Access

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Losses Computation in Thin Conductive Sheaths of Power Cables via an Integral Approach

Cited by 8 publications

References 5 publications

Integral Formulation for Losses Computation in Tripolar Submarine Cables With Shield Wires, Moisture Barriers, and Armor

Integral Formulation for Losses Computation in Tripolar Submarine Cables With Shield Wires, Moisture Barriers, and Armor

Efficient PEEC Computation of Losses and Currents in Screens of Round Wires in Submarine Tripolar Cables

An Integral Formulation for Rectangular Wires in a 3D Magneto-Quasi-Static Field

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