Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines [PDF]
A general analytical technique predicts the magnetic field distribution in brushless permanent magnet machines equipped with surface-mounted magnets. It accounts for the effects of both the magnets and the stator windings.
Chan, C.C., Howe, D., Zhu, Z.Q.
core +2 more sources
Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]
Permanent magnets are frequently adopted in small brushless machines for automotive applications. Normally anisotropic ferrites, but some research on bonded magnets is being carried on.
Ferraris, Luca +3 more
core +1 more source
Calculation of d- and q-axis inductances of PM brushless ac machines accounting for Skew [PDF]
A hybrid two-dimensional (2-D) finite-element/analytical technique is described for predicting the d-axis and q-axis inductances of permanent magnet (PM) brushless ac machines, with due account for the influence of skew.
Chen, Y.S., Howe, D., Zhu, Z.Q.
core +1 more source
CURRENT SITUATION AND PROSPECTS OF PRODUCTION AND RESERVES OF PERMANENT MAGNETS OF RARE EARTHS: BRAZIL × WORLD [PDF]
Generating energy from renewable sources is not an easy task since it requires different types of technologies, which can add much cost to the system. For this reason, investment in research in this area can be an alternative for economic feasibility ...
Franciele Weschenfelder +5 more
doaj +1 more source
Influence of the amount of permanent-magnet material in fractional-slot permanent-magnet synchronous machines [PDF]
The efficiency of permanent-magnet (PM) synchronous machines with outer rotor and concentrated windings is investigated as a function of the mass of magnets used, keeping the power, volume, and mechanical air-gap thickness constant. In order to be useful
Sergeant, Peter, Van den Bossche, Alex
core +2 more sources
A magnetic field model of rectangular permanent magnets in a magnetic pendulum array
The magnetic pendulum array (MPA) is a novel mechanical antenna for efficient and portable ultra-low-frequency transmission. Its natural frequency is affected by the magnetic field of its rectangular permanent magnets.
Weiye Song, Changgeng Shuai, Qi Zhai
doaj +1 more source
In electric motors, the use of rare-earth magnets has been increasing rapidly. A stronger magnet force of the magnet enables the motor’s higher performance, resulting in the most high-performance motors generally using rare-earth magnets.
Sungwoo Chang +3 more
doaj +1 more source
Permanent magnets including undulators and wigglers
After a few historic remarks on magnetic materials we introduce the basic definitions related to permanent magnets. The magnetic properties of the most common materials are reviewed and the production processes are described.
Bahrdt, J.
core +1 more source
Permanent magnet based dipole magnets for next generation light sources
We have developed permanent magnet based dipole magnets for the next generation light sources. Permanent magnets are advantageous over electromagnets in that they consume less power, are physically more compact, and there is a less risk of power supply ...
Takahiro Watanabe +4 more
doaj +1 more source
Investigating the magnetic and mechanical properties of NdCeFe14B permanent magnets: Ab initio study [PDF]
Neodymium-based permanent magnets (Nd2Fe14B) are the potential permanent magnets for various applications in high-efficiency power conversion machines and devices such as wind turbines and electric vehicles.
Baloyi Mphamela +3 more
doaj +1 more source

