Abstract
The aim of this survey is to design a low energy production wind generator for home or small industrial use, with short blades or different structure. Magnetic materials such as strontium hexaferrites and Nd-Fe-B composites are used in form of plastic bonded magnetic powder or laminas in the rotor and amorphous material or silicon steel in the stator. The envisaged machines are switched reluctance and permanent magnet, while preferable structure is this of vertical axis. Before the construction, both inside and outside rotor design machines, also toroidal stators can be tested, using finite element method and simulation programs such as ANSYS, COMSOL. Several parameters are examined, such as torque, magnetic field orientation and strength, magnet topology, output, etc, in order to achieve low cogging force along with high power. The results are to be compared with currently manufactured machines characteristics so as to decide for the efficiency of further investment.
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