Approximation of frequency characteristics of transformer sheets

作者：Daszczynski Tadeusz^*; Pochanke Zbigniew

来源：Przeglad Elektrotechniczny, 2012, 88(12A): 117-120.

• modeling
• frequency characteristics
• approximation
• transformer sheet

Modeling of the frequency characteristics of transformer sheets is the first step to creating a model of the transformer for a wide frequency range. Measurements were made using the method of SST (Single Sheet Tester) and using the HP4192A impedance analyzer. The first modeling method used was the relocation of poles method, known as Vector Fitting. Performed numerical experiments have demonstrated the sensitivity of this method to initial conditions, the initial approximations and the assumption the number of poles. Proved successful in its attempt to apply the method of J. R. Marti completed by the classical method of least squares approximation. (Approximation of frequency characteristics of transformer sheets).

• 出版日期2012