Patent ID: 8497612

Claim:
A permanent magnet rotating machine for a wind power generator, comprising: a rotating shaft; two end rotors rotatably integrated with the rotating shaft, and being arranged with a space being provided therebetween in the axial direction of the rotating shaft, and comprising two end rotating disks and a plurality of end rotor permanent magnets arranged at the facing surfaces of the two end rotating disks; at least one inner rotor rotatably integrated with the rotating shaft, and being arranged in the space formed by the two end rotors so as to be separated from the two end rotors, and comprising a rotating disk and a plurality of inner rotor permanent magnets supported by the inner rotating disk; and at least two stators isolated from the rotation of the rotating shaft, and being arranged in the spaces formed by the two end rotors and the inner rotor, and comprising at least two fixed disks, and a plurality of stator coils supported by the fixed disks, wherein the end and inner rotor permanent magnets, each having the magnetization direction in the axial direction of the rotating shaft, are arranged at equal intervals at each of the end and inner rotating disks, so as to have four or more magnetic poles arranged circumferentially in each of two or more concentric circles having different diameters; and three or more stator coils are arranged circumferentially at equal intervals in each of concentric circles of each of the fixed disks so as to face to the two or more concentric circles of the end and inner rotor permanent magnets, and the four or more magnetic poles and the three or more stator coils arranged circumferentially in each of the concentric circles are controlled individually as a different generator, with a change in wind velocity, wherein the permanent magnet rotating machine is a core less type.