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Research on Fitting Methods of Core Excitation Characteristics of Transformer

This paper introduces several fitting methods for the excitation characteristics of transformer and electromagnetic voltage transformer, which containing nonlinear inductances, together with comparision among one another. Two kinds of fitting functions are recommended, among which the later ensures that the excitation characteristic monotonically increases, over coming the intrinsic defect of numerical oscillation of the common-used fitting multionmial.
【CateGory Index】: TM41
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