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The eddy current is induced in silicon steel sheets of core block of power reactor due to the fringing flux, and this causes a local overheating. If a bevel edge core is used in the reactor composed of laminated core, the eddy current loss may be reduced. In order to investigate the behavior of flux and eddy current in the reactor, a modeling technique of laminated core for exact and quick practical nonlinear analysis is investigated. Figure 1 shows a simple model of a core block. The error of eddy current loss of the model, in which only n sheets are subdivided into fine mesh, is examined. Figure 2 shows the error of eddy current loss when the harmonic component (300 Hz) of flux is impressed. It is shown that the practical analysis under distorted flux waveform is possible by subdividing only the region near the surface of lamination, and the inner part is subdivided as a bulk core having anisotropic conductivity. The flux and eddy current distribution of the bevel edge core reactor is investigated using the modeling technique of laminated core. Figure 3 shows the model reactor used for experiment and analysis. The length H of the bevel edge core shown in Fig. 4 is chosen

3-D Eddy Current Analysis of Bevel Edge Core Reactor using Modeling Technique of Laminated Steel