Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]
, 2012 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
MnBi thin films for high temperature permanent magnet applications
AIP Advances, 2019 Thin films of ferromagnetic LTP-MnBi (Low Temperature Phase of MnBi) have been grown by magnetron sputtering onto quartz substrates. Two particular issues related to LTP-MnBi have been investigated: the strong influence of the growth temperature and the ...
M. Villanueva +6 more
doaj +1 more source
PM fractional machines adopting bonded magnets: effect of different magnetizations on the energetic performance [PDF]
, 2012 The adoption of Permanent Magnets in small brushless machines for automotive applications is becoming frequent. Some research on bonded magnets is being carried on to substitute the ferrites.
Ferraris, Luca +3 more
core +1 more source
Calculation of d- and q-axis inductances of PM brushless ac machines accounting for Skew [PDF]
, 2005 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
Effect of optimal torque control on rotor loss of fault-tolerant permanent-magnet brushless machines [PDF]
, 2002 A faulted phase in a fault-tolerant permanent-magnet brushless machine can result in significant torque ripple. However, this can be minimized by using an appropriate optimal torque control strategy.
Atallah, K. +3 more
core +1 more source
CURRENT SITUATION AND PROSPECTS OF PRODUCTION AND RESERVES OF PERMANENT MAGNETS OF RARE EARTHS: BRAZIL × WORLD [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2012 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
A magnetic field model of rectangular permanent magnets in a magnetic pendulum array
AIP Advances, 2023 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
Applied Sciences, 2021 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
Performance Testing and Analysis of Synchronous Reluctance Motor Utilizing Dual-phase Magnetic Material [PDF]
, 2017 While interior permanent magnet (1PM) machines have been considered the state-of-the art for traction motors, synchronous reluctance (SynRel) motors with advanced materials can provide a competitive alternative.
Alexander, James P. +8 more
core +2 more sources
Permanent magnet based dipole magnets for next generation light sources
Physical Review Accelerators and Beams, 2017 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