The power losses in cable lines supplying nonlinear loads

B Rozegnał, P Albrechtowicz, D Mamcarz, M Rerak… - Energies, 2021 - mdpi.com
This paper presents the skin effect impact on the active power losses in the sheathless
single-core cables/wires supplying nonlinear loads. There are significant conductor losses …

The importance of coil conductivity and eddy current effects in the analysis of electromagnetic forming process

Q Cao, L Xia, X Li, L Du, Z Lai, X Han, L Li - High Voltage, 2022 - Wiley Online Library
Coil design and performance analysis are critical for the electromagnetic forming (EMF)
process. However, previous studies have paid little attention to the coil conductivity, and the …

Influence of the Skin and Proximity Effects on the Thermal Field in a System of Two Parallel Round Conductors

M Zaręba, T Szczegielniak, P Jabłoński - Energies, 2023 - mdpi.com
This paper presents a semi-analytical method for determining the distribution of the thermal
field in a system of two parallel round conductors, taking into account the skin and proximity …

One Hundred and Fifty Years of Skin Effect

O Coufal - Applied Sciences, 2023 - mdpi.com
In 1873, JC Maxwell derived relations for current density and current in a solitary long
cylindrical conductor supplied with variable current. According to Maxwell, the current …

Analytical-Numerical Approach to the Skin and Proximity Effect in Lines with Round Parallel Wires

P Jabłoński, D Kusiak, T Szczegielniak - Energies, 2020 - mdpi.com
Power and communication lines with round wires are often used in electrical engineering.
The skin and proximity effects affect the current density distribution and increase resistances …

Theoretical computational model for cylindrical permanent magnet coupling

K Sun, J Shi, W Cui, G Meng - Electronics, 2021 - mdpi.com
Permanent magnet coupling is extensively studied owing to its economic efficiency and
stability. In this study, a computational model for cylindrical permanent magnet coupling …

Influence of the Skin and Proximity Effects on the Thermal Field in Flat and Trefoil Three-Phase Systems with Round Conductors

P Jabłoński, M Zaręba, T Szczegielniak, J Gołębiowski - Energies, 2024 - mdpi.com
The passage of current generates heat and increases the temperature of electrical
components, which affects the environment, support insulators and contacts. Knowledge of …

A new high-frequency multilevel inverter effecting cables weight and energy efficiency of aircraft

E Can, U Kilic - Aircraft Engineering and Aerospace Technology, 2024 - emerald.com
Purpose Static inverters are very important for the emergency energy distribution system of
aircraft and similar machines. At the same time, the electrical energy produced at high …

A multiphysics analysis of coupled electromagnetic-thermal phenomena in cable lines

A Cywiński, K Chwastek - Energies, 2021 - mdpi.com
The paper is focused on numerical modeling of multi-strand cable lines placed in free air.
Modeling is carried out within the framework of the so-called multi-physics approach using …

AC-Winding-Resistance Calculation of Toroidal Inductors with Solid-Round-Wire and Litz-Wire Winding Based on Complex Permeability Modeling

DY Um, SA Chae, GS Park - Machines, 2024 - mdpi.com
This paper has investigated a method for calculating the frequency-dependent winding
resistance of toroidal inductor windings with Litz-wire as well as solid-round wire. The …