Research on Calculating Eddy-Current Losses in Power Transformer Tank Walls Using Finite-Element Method Combined With Analytical Method
IEEE Transactions on Magnetics(2016)
Abstract
An improved analysis method to calculate the eddy-current losses in large power transformer tank walls is presented. In this model, the perpendicular magnetic flux density has been obtained at discrete points on the surface of the tank by the finite-element method (FEM). A double Fourier series is adopted to express the obtained magnetic flux density by analytical formulas. The coefficients of the...
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Key words
Power transformers,Finite element analysis,Manganese,Eddy currents,Magnetic fields,Loss measurement,Steel
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