Novel algorithm for estimating the magnetization inductance and the winding capacitance of each phase of transformer
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This paper describes a novel algorithm for estimating the magnetization inductance and winding capacitance of each phase of transformer from the data of frequency response curve, using a transformer core model. The use of the model applied to the three measures for each phase of the transformer allows locating and quantifying a possible failure at low frequencies without need for reference FRA measures. It describes the model, the algorithm to obtain the parameters of each phase and its application in the interpretation of low-frequency variations of curve FRA, finally show two cases of application.
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