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Permanent magnet motors consist of two main types. Surface permanent magnet motors (SPM) and internal permanent magnet (IPM) motors. The main difference is that SPM motors place the magnets on the outside of the rotor while IPM motors place their magnets inside the motor. Benefits to internal magnets include structural integrity and reducing ...
A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil. The term synchronous refers here to the fact that the rotor and magnetic field rotate with the same speed, because the magnetic field is generated through a shaft-mounted permanent magnet mechanism, and current is induced into the stationary armature.
The magnetic gear is a magnetic coupling device that renders a mechanical ratio between two magnetically-coupled devices such that: They have a ratio of rotation or translational movement between input and output which may be unity in the case of a pure magnetic coupling or one of many gear ratios in a magnetic gearbox .
An electropermanent magnet or EPM is a type of permanent magnet in which the external magnetic field can be switched on or off by a pulse of electric current in a wire winding around part of the magnet. The magnet consists of two sections, one of "hard" (high coercivity) magnetic material and one of "soft" (low coercivity) material. The ...
Dylan Andrews banked in a 3-pointer with 0.4 seconds remaining to give UCLA a 73-71 victory over No. 12 Oregon on Sunday, the Ducks' first loss of the season. Eric Dailey Jr. had 19 points to lead ...
Paramagnetic materials are attracted to magnetic fields, hence have a relative magnetic permeability greater than one (or, equivalently, a positive magnetic susceptibility). The magnetic moment induced by the applied field is linear in the field strength, and it is rather weak. It typically requires a sensitive analytical balance to detect the ...
'Flowers' vs. 'When I Was Your Man': Hear the similarities, differences. Lawsuit claims Miley Cyrus' 'Flowers' copied Bruno Mars song's melody, lyrics.
Celine Dion is celebrating what would have been her 30th wedding anniversary with her late husband René Angélil. The "My Heart Will Go On" singer, 56, took to Instagram on Dec. 17 to mark the ...
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