Power transformers are located in the electrical transmission and distribution networks
where different voltage levels are needed. The turn ratio of the low voltage and high voltage …

This paper describes the approach to the frequency response modelling of transformer
windings consisting of coils connected in parallel. At present, computer models are …

One of important methods used for diagnostics of a transformer's active part is Frequency
Response Analysis (FRA). It allows to determine the mechanical condition of windings, their …

In order to ensure the safe and stable operation of a power system, the performance
evaluation of transformer windings after a short-circuit test can predict whether the windings …

W zakresie częstotliwości do 10 kHz rdzeń transformatora ma decydujący wpływ na kształt
charakterystyki częstotliwościowej uzwojenia. Przedstawiono metodę modelowania …

The diagnostics of power transformers is very important in order to plan repairs and
replacements of aged population of transformers operated in Poland and Europe. As the …