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Cálculo de perdas por fluxo disperso e de forças em transformadores e reatores através do método de rede de relutâncias

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Repositório Institucional da UFSC
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Abstract

Abstract : This work aims to present the RNM method as an ecient option tomodel leakage ux and stray losses, as well as forces, in power transformersand power reactors.The basic concepts to model leakage ux through the ux tubes theoryare presented, as well as the wave propagation along conductivedomains. Thus, it is possible to model those conductive domains asmagnetic impedances to compute the losses along it.With the above mentioned theory, it is possible to elaborate a lumpedparameters, i.e. magnetic circuit, which characterizes the magneticdevice behavior. In order to solve the mentioned circuit, it is implementeda computacional routine, which is tested trough the comparisonbetween its results with those obtained using the Finite ElementsMethod (FEM) 2D and 3D.

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