LIGHT WEIGHT GENSET

摘要

A machine comprising a stator and a rotor, where the stator includes at least one winding and the rotor comprises a body of soft magnetic material with a plurality of permanent magnets in a surface disposed proximate to the stator, with intervening consequence poles, where the surface area of the permanent magnets proximate to the stator is greater than the surface area of the consequence poles proximate to the stator. Also disclosed is a stator comprising a soft magnetic core with respective three-phase star windings corresponding to different predetermined voltage outputs with the corresponding phases of the respective three-phase windings grouped together as a unit and wound about the core such that the corresponding phases of the respective three-phase windings are in continuous thermal contact with each other. Also disclosed is the use of a variable frequency invertor responsive to a DC signal generated in the stator winding, and a control signal indicative of current drawn by a load on the device for generating an AC signal, where the frequency of the AC signal is selectively varied in accordance with current drawn by the load. In another embodiment, the rotor comprises a hollow cylinder with magnets mounted on the internal surface of the cylinder with the stator concentrically disposed within the cylinder. Also disclosed is a governor for selectively controlling the engine throttle in accordance with the generator output signal.