Results 31 to 40 of about 3,143 (231)

High speed operation design considerations for fractional slot axial flux PMSM [PDF]

open access: yes, 2015
This paper discusses intensively the design considerations for the fractional slot axial flux permanent magnet synchronous (AFPMSMs) in order to work efficiently in the constant power speed range, also known as the field weakening (FW) region.
Hemeida, Ahmed   +2 more
core   +2 more sources

Cogging Torque Reduction Techniques for Spoke-type IPMSM

open access: yesIOP Conference Series: Materials Science and Engineering, 2017
A spoke-type interior permanent magnet synchronous motor (IPMSM) is extending its tentacles in industrial arena due to good flux-weakening capability and high power density. In many of the application, high strength of permanent magnet causes the undesirable effects of high cogging torque that can aggravate performance of the motor. High cogging torque
F. S. Bahrim   +3 more
openaire   +1 more source

Combined methods for torque variation reduction of high-speed FSPM

open access: yesEnergy Reports, 2023
Flux switching permanent magnet machine (FSPM) with six slots and four poles (6/4) shows great potential for high-speed operation. However, the 6/4 FSPM suffers from high cogging torque at no load and loaded torque variation.
Jiayue Zhou, Xi Xiao
doaj   +1 more source

Analytical Optimal Currents for Multiphase PMSMs Under Fault Conditions and Saturation [PDF]

open access: yes, 2014
An original analytical expression is presented in this paper to obtain optimal currents minimizing the copper losses of a multi-phase Permanent Magnet Synchronous Motor (PMSM) under fault conditions.
FLIELLER, Damien   +3 more
core   +5 more sources

Cogging Torque Reduction Based on a New Pre-Slot Technique for a Small Wind Generator

open access: yesEnergies, 2018
Cogging torque is a pulsating, parasitic, and undesired torque ripple intrinsic of the design of a permanent magnet synchronous generator (PMSG), which should be minimized due to its adverse effects: vibration and noise. In addition, as aerodynamic power
Miguel García-Gracia   +3 more
doaj   +1 more source

System optimization by multiobjective genetic algorithms and analysis of the coupling between variables, constraints and objectives [PDF]

open access: yes, 2005
This paper presents a methodology based on Multiobjective Genetic Algorithms (MOGA’s) for the design of electrical engineering systems. MOGA’s allow to optimize multiple heterogeneous criteria in complex systems, but also simplify couplings and ...
Roboam, Xavier   +2 more
core   +2 more sources

Comprehensive analysis and evaluation of cogging torque in Axial Flux Permanent Magnet machines [PDF]

open access: yes, 2015
Evaluation and minimization of cogging torque in Axial Flux Permanent Magnet (AFPM) machines become essential specially in direct drives for low speed applications.
Costa, A.F.   +2 more
core   +1 more source

The use of cement leftovers from the hollow of spun piles as an additive in self-compacting concrete [PDF]

open access: yes, 2018
Spun piles have been used widely by developing countries, including Malaysia, to construct the foundation of most construction projects. A spun pile is a reinforced precast and prestressed concrete that is compacted in a mould through spinning compaction.
Adnan, Suraya Hani   +4 more
core   +1 more source

Cogging Torque Reduction Techniques in Axial Flux Permanent Magnet Machines: A Review

open access: yesEnergies
Axial flux permanent magnet machines have garnered significant attention in recent years due to their numerous advantages in various applications, including electric vehicles, wind turbines, and robotics.
Franjo Pranjić, Peter Virtič
doaj   +1 more source

The implications of the use of composite materials in electromagnetic device topology and shape optimization [PDF]

open access: yes, 2008
The use of soft magnetic composites (SMCs) provides electromagnetic device designers with serious challenges. While such materials have the potential of allowing novel 3-D topologies to be used, as well as providing major advantages in recycling at the ...
Kim, D.H., Lowther, D.A., Sykulski, J.K.
core   +1 more source

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