CN CN102664567A
The invention relates to a superconductive and energy-storage magnetic suspension flywheel with a high energy density, which can be used as energy storage equipment of electric power systems, vehicles and aviation and aerospace systems. The superconductive and energy-storage magnetic suspension flywheel mainly comprises a base, a sealing cover, a stator shaft mounting frame, a main shaft, an axial magnetic bearing, radial magnetic bearings, a motor, a wheel body assembly and a superconductive magnetic bearing, wherein the main shaft is fixed in the center of an inner cavity of the base through the stator shaft mounting frame; the axial magnetic bearing, the radial magnetic bearing, the motor, the radial magnetic bearing and the superconductive magnetic bearing are mounted from top to bottom; and the wheel body assembly is located in the center of the main shaft and is connected with the main shaft through the axial magnetic bearing and the radial magnetic bearings. All assemblies are reasonable and compact in layout, non-contact suspension of a flywheel wheel body is realized by using combined actions of the superconductive magnetic bearing and the common magnetic bearings, and the high energy density is realized by using high-speed rotation of the carbon fiber wheel body.
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