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This paper introduces a novel modelling and identifying technique for the transformer internal faults. Transmission line method (TLM) is used for the modelling transformer internal faults with a linear and non-linear inductor model. Discrete wavelet transform (DWT) is used for identifying fault currents. The proposed techniques are simple to implement and provides a reliable and computationally efficient...
This letter describes a new approach for power transformer modeling that uses state variables in time domain. The modelled transformer has two windings. In this simulation, leakage inductors and magnetizing inductor are analyzed and assumed as state variables. As an example study, magnetizing inrush condition is analyzed and monitored in a laboratory environment. It is clear that the whole system...
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