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A high-power online wireless power transfer system has been investigated intensively in recent years. However, no literature has focused on the design methodology of the high-power online wireless power transfer system with low flux density, high efficiency, and high control stability. This paper proposed a new design methodology for a 300-kW, over 96 % coil-to-coil efficiency, International Commission...
Although 60 W wireless power transfer was demonstrated in 2007, still there is no equivalent circuit model for a sub-meter air-gap, hundreds of Watts, high efficiency wireless system. A design-oriented circuit model is needed for this technology to evolve. This paper proposes an equivalent circuit model for the wireless system and analyzes the system based on the proposed model. The proposed model...
Attracting ferromagnetic forces between magnet and reaction rail provide the supporting force in Electromagnetic Suspension. Miniature maglev using permanent magnets and electromagnets is based on the idea to generate the nominal magnetic force by permanent magnets and superimpose the variable magnetic field required for stabilization by currents flowing through control windings in electromagnets...
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