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MODELLING OF FERRORESONANT PROCESS IN VOLTAGE TRANSFORMER BY DIRECT METHOD

.B. Besarab1, Yu.I. Tugay2
1 – National Technical University of Ukraine "Kyiv Polytechnic Institute",
Peremogy, 37, Kyiv-56, 03056, Ukraine
2 – Institute of electrodynamics National Academy of Science of Ukraine,
Peremogy, 56, Kyiv-57, 03680, Ukraine

A mathematical model of the inductive voltage transforme NKF-220 has been developed. The simulation of ferroresonance processes in the medium ATP/EMTP has been hold. The effect of initial conditions on the established mode of ferroresonance has been proved. Ranges of the existence of ferroresonance processes transformer NKF-220 has been obtained. References 7, figures 4.
Key words: ferroresonance, modeling, ATP/EMTP.