permanent magnet (PM) machines
Analytical Modeling of Magnetic Field Distribution in Inner Rotor Brushless Magnet Segmented Surface Inset Permanent Magnet Machines
... inset permanent magnet motors ...inset magnet segmented machines considering magnet segmentation were ...inset permanent magnet machines by using the sub-domain ...
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Modular Permanent Magnet Machines with Alternate Teeth Having Tooth Tips
... efficiency, permanent magnet (PM) machines have been employed for industrial servo drives, domestic appliances, transportation such as more electrical aircraft, electrical vehicles and marine ...
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Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines
... An analytical technique which was developed by the authors for predicting the field distributions produced by the mag- nets and the stator winding of permanent magnet machines equipped with ...
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Influence of design parameters on cogging torque in permanent magnet machines
... Abstract—The influence of various design parameters on the cogging torque developed by permanent magnet machines is inves- tigated. It is shown that the slot and pole number combination has a ...
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Analytical magnetic field analysis of Halhach magnetized permanent-magnet machines
... magnetized permanent-magnet machines, accounting for the relative permeability of the ...rotor machines having either an iron-cored or air-cored stator and ...of magnet thickness and ...
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A general framework for the analysis and design of tubular linear permanent magnet machines
... electromagnetic machines, which can provide thrust force directly to a payload or generate power from applied thrusts, are being employed increasingly in applica- tions ranging from transportation, manufacturing, ...
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PWM Ripple Currents Based Turn Fault Detection for Multiphase Permanent Magnet Machines
... Abstract — Most permanent magnet machines are driven by in- verters with pulse width modulation (PWM) voltages. The cur- rents contain high frequency (HF) components which are in- versely ...
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Radial force control of multi sector permanent magnet machines for vibration suppression
... electrical machines has been widely investigated for a variety of bearingless machines as well as for conventional structures featuring mechanical ...nent Magnet machine towards achieving a ...
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Fringing in tubular permanent-magnet machines: Part II. Cogging force and its minimization
... of the ferromagnetic armature core in tubular permanent-magnet machines, are established. In Part II, the technique is applied to both slotless and slotted machines, and the results are ...
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Magnet Eddy Current Loss Reduction in Permanent Magnet Machines
... Abstract— Magnet eddy current loss is very important for any types of permanent magnet machines, especially for high-speed permanent magnet machine since it increases ...
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Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles
... Flux Permanent Magnet (SFPM) machines have the advantages of high torque density and high torque per PM volume compared with conventional SFPM ...
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Reduction of Eddy Current Loss of Permanent-Magnet Machines with Fractional Slot Concentrated Windings
... 2]. Permanent-magnet (PM) machines with fractional slots concentrated windings (FSCWs) have been widely used in EVs, owing to their short and less complex end-winding, high-power density, high ...
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High speed solid rotor permanent magnet machines: concept and design
... PM machines for high speed applications while also maintaining the structural integrity is subject to ...Interior Permanent Magnet (IPM) machine to overcome the electromagnetic and structural ...
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Turn turn short circuit fault management in permanent magnet machines
... Another methodology that could be considered for SC fault mitigation is a hybrid machine design which consists of both PMs and field windings. Those are memory motors [37], consequent pole PM machines [38] and ...
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Analytical modelling of modular and unequal tooth width surface-mounted permanent magnet machines
... The influence of modular stator such as individual stator tooth/back-iron segments or separate stator tooth segments and back-iron segments on electromagnetic performances has been investigated in [1]. It is found that ...
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NOVEL TECHNIQUES FOR TORQUE RIPPLE MODELING AND MINIMIZATION IN PERMANENT MAGNET MACHINES
... the magnet flux magnitude is estimated online through an extended Kalman filter, such that the torque ripple model can be updated under different operating ...
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Cogging torque mitigation of modular permanent magnet machines
... modular permanent magnet (PM) machines with flux gaps in alternate stator ...PM machines are divided into two groups in a special ...modular machines with different slot/pole number ...
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Stator iron loss of tubular permanent-magnet machines
... rotating permanent-magnet (PM) machines have been investigated exten- sively, the study of iron loss in linear machines is relatively poorly ...
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Tubular modular permanent-magnet machines equipped with quasi-Halbach magnetized magnets - Part I: Magnetic field distribution, EMF, and thrust force
... It has been shown that tubular PM machines with a Halbach magnetization, of the form illustrated in Fig. 1(a), have a number of attractive characteristics, such as a sinusoidal back-electro- motive force ...
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Influence of Rotor Magnet Shapes on Performance of Axial Flux Permanent Magnet Machines
... various magnet shapes on the discussed performance parameters of AFPM machine, the use of software tools is a common ...electrical machines can also be referred from [2, 3, 5, ...
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