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Journal Articles Journal of Optoelectronics and Advanced Materials Year : 2015

A Comparative Study: Dynamic and Thermal Behavior of Nanocrystalline and Powder Magnetic Materials in a Power Converter Application

Abstract

In the design of such power electronics applications as power converters, lack of precise characterization and diagnosis of losses from components has unacceptable effects on efficiency, reliability, and power consumption. Because passive components, especially magnetic components, are crucially important in power converters, accurate characterization and modeling of magnetic materials is mandatory, to enable realistic prediction of their behavior under variable operating conditions. Temperature is one such condition that induces major changes in a component’s behavior by modifying the material’s magnetic properties. In the work discussed in this paper we investigated the magnetic and thermal behavior of nanocrystalline and powder materials in a DC–DC converter application. Core loss measurements under variable conditions were performed on toroid-shaped samples. Measured results were analyzed for different frequencies, flux densities, and temperatures.
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Dates and versions

hal-01188828 , version 1 (31-08-2015)

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Alaa Hilal, Marie-Ange Raulet, Christian Martin, Fabien Sixdenier. A Comparative Study: Dynamic and Thermal Behavior of Nanocrystalline and Powder Magnetic Materials in a Power Converter Application. Journal of Optoelectronics and Advanced Materials, 2015, 44 (10), pp.3768-3776. ⟨10.1007/s11664-015-3846-x⟩. ⟨hal-01188828⟩
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