MEDEIROS, L. D. C.; http://lattes.cnpq.br/5955967514654159; MEDEIROS, Luydi Dandgelo Correia de.
Resumo:
A study of low frequency electromagnetic transients (inrush currents and ferroresonance) that occur in power transformers is accomplished. The study consists in the development of nonlinear models of circuits and computational routines that calculate the changes in the voltages, currents and magnetic fluxes, making possible the evaluation of possible risks of damages to equipments and deterioration in the eletric power quality. Such models incorporate the saturation, hysteresis and dynamic losses. Comparisons between them are established.