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AC/DC Electromagnetics

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

Static and Dynamic Simulation of an Electromagnetic Valve Actuator Using COMSOL Multiphysics^®

R. Wislati[1] and H. Haase[1]
[1]Institut für Grundlagen der Elektrotechnik und Messtechnik, Leibniz Universität Hannover, Hannover, Germany

In this paper an Electromagnetic Solenoid Actuator (EMVA) consisting of an upper and lower electromagnet, a ... 扩展阅读

Modeling of Complex Structures in Electrotechnology

Göran Eriksson
Dr., ABB Corporate Research, Sweden

Outline of presentation: In electromagnetic technology applications the finite element method is very well ... 扩展阅读

Interactions of Magnetic Particles in a Rotational Magnetic Field

A. Weddemann, A. Auge, F. Wittbracht, S. Herth, A. Hütten
Bielefeld University, Germany

Particle-particle interactions are usually neglected when considering the behaviour of magnetic particle's so ... 扩展阅读

Identification and Analysis of Low-Frequency Cogging Torque Component in Permanent Magnet Machines

D. McIntosh
Sonsight Inc. / NSWC, Accokeek, MD, USA

Cogging torque in permanent magnet motors and generators is characterized by a torque ripple. These torque ... 扩展阅读

Time-Harmonic Modeling of Squirrel-Cage Induction Motors: A Circuit-Field Coupled Approach

R. Escarela-Perez[1], E. Melgoza[2], and E. Campero-Littlewood[1]

[1]Universidad Autonoma Metropolitana - Azcapotzalco, Departamento de Energia, México, D.F., Mexico
[2]Instituto Tecnologico de Morelia, Morelia, Mich., C.P., Mexico

Finite element modeling of three-phase induction machines requires the solution of coupled circuit and field ... 扩展阅读

Finite Element Model of a Magnet Driven Reed Switch

B. LaBarge[1], and E. Gutierrez-Miravete[2]

[1]Gems Sensors and Controls, Plainville, CT, USA
[2]Rensselaer at Hartford, Hartford, CT, USA

A simple proximity sensing circuit is made using magnets actuating reed switches; these switches are wired ... 扩展阅读

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