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This paper studies the thermal stability of a 6/4 switch reluctance machine under nominal operating condition. Transient finite elements method has been used to calculate the machine copper loss and the core loss in magnetic domain. To calculate the copper loss the precise evaluation of current was needed which has been obtained by applying a voltage sources as the input of the electrical circuit...
For water cooLing ultra-precision planar motor used for Lithography equipment, transient and steady thermal analyses are effectiveness to predict the temperature distribution and requirement on the water cooLing system. This paper investigates calculating the couple field of temperature field and fluid field of ultra-precision planar motor through 3D finite-element analysis (FEA). The analysis result...
We have characterized nonlinear current transport properties in a coated conductor as a function of temperature, magnetic field vector and mechanical strain, and then have developed a thermally-electromagnetically-structurally coupled analysis code for a high-field magnet coil. The distributions of heat generation and electromagnetic force in the coil are computed by electromagnetic analysis. Then,...
Chokes are important elements in many power electronics circuits, for example in boost converters and current source inverters. Minimizing the choke's volume and mass is desirable in many applications. The main limit of an electromagnetic design lies in its thermal performance. Accurate prediction of the temperature within a new device is therefore very desirable. This paper presents a thermal analysis...
This paper deals with design and thermal analysis of the superconducting single-phase traction transformer. The purpose is to make an electromagnetic design of single phase superconducting traction transformer and also to investigate a distribution of a heat in a cryogen with liquid nitrogen, known as a high temperature superconducting (HTS) material, using FEM software. The outputs of electromagnetic...
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