A synchronous reluctance motor assisted by permanent magnets comprises a stator provided with stator windings, for generating a magnetic flux, which has a circular central seat to house a cylindrical shaped rotor suitable for being actuated in rotation about an axis of rotation, wherein the rotor ...
Comparative analysis shows that permanent magnets do not significantly reduce dimensions of the motor in comparison with studied synchronous reluctance motor in the considered power range. 展开 关键词: torque per unit volume brushless motors ferrite magnets neodymium magnets permanent magnet motors ...
drives and discusses the potential of such motors and of recent developments in the permanent-magnet materials, power semiconductors, electronic control, and motor design, including CAD. Analysis of permanent-magnets and magnetic circuits is geared toward exploitation of new PM materials with outstanding...
Disclosed is a permanent magnet switched reluctance electric motor with a special-shaped pole piece iron core. The permanent magnet switched reluctance electric motor is characterized in that an excitation salient pole pair on a stator is composed of a special-shaped pole piece iron core and an ex...
This paper proposes the optimization of the shape and size of a ferrite magnet and the arrangements necessary to reduce torque ripple and maximize back electromotive force (B-EMF) in a permanent-magnet-assisted synchronous reluctance motor. First, four different models of general magnet arrangements ...
This paper presents a comparison of power quality aspects of switched reluctance and permanent magnet brushless DC motor drives. The key issues covered under power quality comparison are reactive kVA drawn, harmonic spectrum, total harmonic distortion and power factor of the two drives. Experimental ...
A reduction in the use of rare-earth elements in permanent magnets (PMs) is desirable though motors using such rare earth PMs deliver high performance. In order to obtain high torque and high power without rare-earth PMs, a permanent magnet assisted synchronous reluctance motor (PMASynRM) with...
The rotor magnetic pole structure for permanent magnet synchronous motor used in electric vehicle is analyzed, and the influence of different rotor structures on the reluctance torque is obtained. The electromagnetic field, rotor structure strength and temperature field are simulated. The simulation result...
Permanent Magnet Assisted Synchronous Reluctance Motor with Asymmetric Rotor for High Torque Performance Permanent magnet assisted synchronous reluctance motor(PMA-SynRM)is a kind of high torque density energy conversion device widely used in modern industry.I... C Diao,W Zhao,Y Liu,... - 中国电工...
The switched reluctance motor (SRM) [1,2] is a double salient machine having a simple magnetic structure. It has only concentrated windings on the stator and without any coil winding or permanent magnet on the rotor, resulting in cost savings for the manufacturing process. Other advantages of ...