Neo Linear Halbach Arrays Technical Specifications:
Material Neodymium Magnet
Mold No.: MPHARM-12
Max. work Temp.: 80 ℃
Magnet material: NdFeB N45
Housing material: steel alloy
Coating Zinc
Magnetism direction K2 assembled
Lead Time About 30 days
Sample Avaliable
Certification ISO9001
Tolerance +/- 0.05mm
Neo Linear Halbach Arrays With respect to the conventional motor, Halbach motors are the following advantages
strong side and weak side of Linear Halbach Arrays Magnets
Halbach Arrays Alternating Polarity
1 Compared with the traditional structure of the permanent magnet motor, the mutuals uper position radial magnetic field strength on the other side so greatly enhance this would effectively reduce the volume of the motor,to enhance the power of the motor density.
2 rotor is no longer needed chute
In conventional permanent magnet motor, due to the inevitable presence of the air gap magnetic field harmonics, in general, based on the rotor chute weaken its impact. In Halbach motor, because the air gap magnetic field distribution of the higher degree sinusoidal harmonic content is small, so the rotor without a chute.
3 rotor can be non-core material
Halbach magnet because unilateral field shielding effect resulting from the distribution of the magnetic material for the rotor is no longer necessary to provide access, not only to provide a larger selection of materials selected from the rotor, and the system may have a lower moment ofinertia and less good performance should be attached quickly. block halbach array permanent magnets
4 high efficiency permanent magnet
Due to the results of Halbach magnetized magnets, which leads to higher operating point of the permanent magnet, generally more than 0.9, to improve the utilization of the permanent magnet.
5 can use a centralized winding
Permanent magnet motors are often used in traditional distributed windings to weaken the influence of harmonic MMFs. In Halbach motor because of its high degree of sinusoidal magnetic field distribution of the harmonic magnetic field has little effect, it can be centralized winding.
Motor using Halbach magnet arrangement can reduce the torque ripple of the motor, thus greatly reducing the requirement for the motor bearings.
(A) radial magnet arrangement of the magnetic field distribution
(B) arranged in parallel magnetic field distribution
(C) Halbach arrangement of the magnetic field distribution
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