Double-coil radial and spherical pure-electromagnetic bearing
A double-coil, magnetic bearing technology, applied in the non-contact support of magnetic levitation flywheel or magnetic levitation control torque gyroscope, spherical pure electromagnetic magnetic bearing field, can solve the problem of increasing the torsion bearing load of flywheel, uneven electromagnetic force, and affecting the uniformity of magnetic density and other problems, to achieve the effect of eliminating the interference of radial translation, improving the current response rate, and improving the uniformity of the circumference
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[0020] like figure 1 and figure 2 As shown, a double-coil radial spherical pure electromagnetic bearing mainly includes: four stator cores (1), coils (2), sleeves (3), and air gaps placed along the ±X direction and the ±Y direction (4) and rotor (5). The radial bearing coils (2) are wound on the two magnetic poles of each stator core (1), the radial inner side of the four stator cores (1) is the rotor (5), the stator core (1) and the rotor (5 ) to form a radial magnetic air gap (4), the radial outer side of the stator core (1) is a sleeve (3), and each stator core (1) magnetic pole is divided into a front part, a middle part and a root part, and its The angle formed by the left edge of the front part and the right edge is 83°, and the distance between the magnetic poles of two adjacent stator cores (1) along the circumference is 2mm (such as figure 2 shown), the angle between the left edge of the front part of each stator core (1) an...
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