Permanent Magnet Alternator for Low Speed Applications

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ABSTRACT An alternator consisting of two or more rotor discs in which a plurality of rare earth magnets are config ured as a polar array around a central shaft with their polarity alternately arranged parallel to the shaft. At least one disc stator secured radially to the frame, consisting of coils wound around inductive ferrite cores, configured in a similar polar array and suspended between the two rotor discs. When the rotor assembly is turned, the stator coils are so arranged as to coaxially align with the rotor magnets, thus interacting with the magnetic flux and generating electrical AC output power. 1/7 2A 5 2B 5 4B Figure 1