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High frequency power transformer modeling for Power Line Communication applications

This paper deals with the modeling of distribution power transformer with the frequency up to 10 MHz for power line communication (PLC) applications. For this purpose, a new approach to model the transformer is proposed. Then, the elaboration of the model from the impedance measurement in frequency domain is presented. For the determination of the parameters of model, the necessary methods are introduced. The simulation is carried out with ATP/EMTP to compare the characteristic of the measured impedance and the model. In order to verify the model, the small signal transfer through the transformer is measured and compared with the simulation