FIELD: electrical engineering.
SUBSTANCE: invention relates to electrical engineering, direct-current motors with a permanent magnet using a solar generator to power the rotor winding. Solar magnetic motor comprises a rotor with an axis of rotation, bearings and an electric winding connected to the current terminals of the generator from the switched solar cells with p-n-junctions arranged on the rotor surface, and also permanent magnet plane of which is parallel to rotor axis. Rotor is made in the form of a disk from conducting material with axis of rotation, which contains two semi-axles of the rotor, one of which is connected to the disk, and the other one – to one of the generator current terminals. Generator is axisymmetrically mounted on disc on one side through insulating layer. Permanent magnet is installed axisymmetrically on the other side of the disc and has a surface area commensurate with the disc surface. Current terminals of the generator are connected directly to the rotor half-axis and to one of the disc contacts, and the rotor half-axis and the second contact to the disc are connected through two sliding contacts to two external fixed conductors and external load. In the version of the solar magnetic motor the disc consists of isolated curvilinear segments connected to each other in parallel on the axis and on the disc rim, boundaries between segments are made in form of a logarithmic gold spiral with coordinates where r and θ – radius vector and angle radius of vector in polar coordinate system, – golden section parameter, α is a constant which determines the size of the spiral and the disc, the direction of the spiral branches coincide with the direction of rotation of the rotor.
EFFECT: technical result consists in more complete use of area of solar cells and increase in their power, and also in reduction of electromotive force of self-induction and reaction of rotor deceleration at interaction with magnetic field of stator.
20 cl, 5 dwg
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Authors
Dates
2019-04-11—Published
2018-05-24—Filed