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A comparative analysis between classical and modified approach of description of the electrical machine windings by means of T0 method

Abstract This paper deals with comparative analysis between classical and modified approach of description of electrical machines windings by means of the T0 method. The classical formulation (CF) of T0 method in which the distribution of the turns in the winding is treated the same as naturally determined current paths has been compared to the modified formulation (MF), in which by incorporating coefficients differencing the conductivity the homogeneity of the current density vector J0, i.e. turns distribution is achieved. The method of calculating the coefficients correcting the conductivities for the MF approach has been presented. For solving of T0 method equations, the edge element method (EEM) has been incorporated.