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A novel rotor design of claw-pole alternator is proposed from both results of experiments and calculations. First, the magnetic field in conventional machine is calculated by 3-D finite element analysis. In this analysis, the total flux in the machine is decomposed into those produced by field and armature currents to understand the factors that prevent increase in maximum output. From these results,...
In this study, we investigate the characteristics of claw-pole alternators for automobiles from both results of calculation and experiments. Nonlinear 3-D finite element analysis is employed to take the claw-pole shape into account. The calculated characteristics are compared with the experimental results in order to confirm the validity of the analysis. Then, the magnetic field is decomposed according...
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