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AC/DC Electromagnetics

Permanent Magnet Arrangements for Low-Field NMR

C. Horch[1], S. Schlayer[1], and F. Stallmach[1]
[1]Faculty of Physics and Earth Sciences, University of Leipzig, Leipzig, Germany

For low-field NMR (Nuclear magnetic resonance), NdFeB permanent magnet arrangements are proposed to provide ... 扩展阅读

Fast 2D Simulation of Superconductors: A Multiscale Approach

V.M. Rodriguez-Zermeno[1], M.P. Sørensen[1], N.F. Pedersen[2], N. Mijatovic[2], and A.B. Abrahamsen[3]
[1]DTU Mathematics, Lyngby, Denmark
[2]DTU Electrical Engineering, Lyngby, Denmark
[3]Materials Research Division, Risø, DTU, Roskilde, Denmark

This work presents a method to calculate AC losses in thin conductors such as the commercially available ... 扩展阅读

Failure Modes of Underground MV Cables: Electrical and Thermal Modelling

P.A. Wallace[1], M. Alsharif[1], D.M. Hepburn[1], and C. Zhou[1]
[1]Department of Energy Systems Engineering, Glasgow Caledonian University, Glasgow, United Kingdom

Two simulations of the performance of a Paper Insulated Lead Covered (PILC) Medium Voltage (MV) underground ... 扩展阅读

3D Electro-Thermal Study for Reliability of Automotive Power Vertical MOSFET Using COMSOL Multiphysics^®

T. Azoui[1], S. Verde[1][2], J.B. Sauveplane[1], and P. Tounsi[1]
[1]LAAS-CNRS, Toulouse, France
[2]Department of Electronics and Telecommunications Engineering, University of Naples Federico II, Naples, Italy

In this paper 3D electro-thermal FE Model using COMSOL Multiphysics® software of power vertical MOSFET ... 扩展阅读

Simulating Superconductors in AC Environment: Two Complemetary COMSOL Models

R. Brambilla[1] and F. Grilli[2]
[1]ENEA - Ricerca sul Sistema Elettrico S.p.A., Milano, Italy
[2]Karlsruhe Institute of Technology, Karlsruhe, Germany

In this paper we present a summary of our work on numerical modeling of superconductors with COMSOL ... 扩展阅读

Temperature Distribution in High Voltage Dummy Cable

G.Y. Sun[1], O. Sekula[1], and C. Albanbauer[1]
[1]Brugg Kabel AG, Brugg, Switzerland

A 2D model of coupled electricthermal application is used to calculate the temperature distribution in a high ... 扩展阅读

Inductance of Magnetic Plated Wires as a Function of Frequency and Plating Thickness

T. Graf[1], O. Schälli[1], A. Furrer[1], and P. Marty[1]

[1]Technik und Architektur, Hochschule Luzern, Horw, Switzerland

This paper analyzes the magnetic behavior of electroplated wires. For this purpose the resistance and ... 扩展阅读

A Model for High Temperature Inductive Heating

S.A. Halvorsen[1]
[1]Teknova AS, Kristiansand, Norway

COMSOL Multiphysics has been applied to develop a model for inductive heating. A coarse, lumped model of the ... 扩展阅读

Understanding “Mutual Inductance” using COMSOL Multiphysics^®

H.A. Ghali[1] and H.A. Rahman[1]
[1]Electrical Engineering Department British University in Egypt “BUE”, El Sherouk City, Egypt

A teaching platform that could be used to help students understand concepts such as; flux linking and mutual ... 扩展阅读

Calculating Power Loss of Contactless Power Transmission Systems with Ferrite Components

S. Hanf[1] and D. Kürschner[1]
[1]Institut für Automation und Kommunikation Magdeburg, Magdeburg, Germany

In this paper a methodology for calculating loss within contactless inductive power transmission systems, ... 扩展阅读

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