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This paper describes the comparison between direct and indirectly liquid-cooled topologies for coreless linear motors with multiple coil layers. The electromagnetic force production is obtained by 3-D magnetic scalar potential modeling whereas thermal modeling is performed by 3-D finite element and volume methods. The power dissipation and force density of each topology is investigated for different...
In most of recent Networks-on-Chip (NoCs), a simple 2D mesh structure has been adopted. However, the increasing latency caused by the large number of hops has become a problem especially in a large chip multiprocessor with increasing number of cores. Although using low ASPL networks which can reduce the hop count is a hopeful solution, a number of long wires often limits the operational frequency...
Multi-physics design, simulation and analysis studies on an induction motor drive system rated 1 MW 15,000 RPM 4160 V are presented. Component level manufacturability and materials selection have been performed for the high speed application. Litz wire stator coils have been designed to reduce high frequency proximity losses. Prototype stator coils have been manufactured and tested. The various components...
In the recent decades, an enormous awakening in electrical vehicles researches and industries has raised the needs of safety and simplicity in the electrical vehicle battery charging. Many options are offered to transfer the electrical power wirelessly, comprising Inductive Power Transfer method which is a widely known way in doing a near-field wireless power transfer. In this paper, the proposed...
It is fairly well-known in circuit theory that the product of magnetic coupling coefficient and system quality factor is the single most important figure of merit (FOM) for optimizing the design of series-series-compensated resonant inductive coupling coils. Coils with high value of FOM can operate efficiently under misalignment conditions, such as poor coupling systems. This would be the case in...
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