Percorrer por autor "Silva, J. F. Alves da"
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- Short-Circuit Impedance of Power Transformers: the Fractional Order Calculus ApproachPublication . Silva, J. F. Alves da; Albert, W. Malpica; Machado, J. A. Tenreiro; Barros, M. T. Correia deThis paper reports investigation on the modeling of the short circuit impedance of power transformers, using fractional order calculus, analyzing the influence of the diffusion phenomena in the windings. This aims to better characterize the medium frequency range behavior of leakage inductances of power transformer models, which include terms to represent the magnetic field diffusion in the windings. Calculated and measured values are shown and compared.