permanent magnet 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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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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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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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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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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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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Improved analytical model for predicting the magnetic field distribution in brushless permanent-magnet machines
... Abstract—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 ...
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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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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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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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NOVEL TECHNIQUES FOR TORQUE RIPPLE MODELING AND MINIMIZATION IN PERMANENT MAGNET MACHINES
... Figure 2-13 shows the comparison of the torque waveforms obtained from the torque transducer and the proposed model. It can be seen that the peak-to-peak value of the torque from the sensor is 22.4 Nm, and that from the ...
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Analytical modelling of modular and unequal tooth width surface-mounted permanent magnet machines
... machine performance by increasing average torque. This means that the modular structure can exhibit previously mentioned merits such as simple manufacturing and also better electromagnetic performance. However, the ...
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Turn turn short circuit fault management in permanent magnet machines
... are OFF) as shown in Fig.2. In order to avoid imbalance between the phases, this method has also been implemented for double star connected PM machines with two separate three-phase voltage source inverters [41]. ...
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Impact of soft magnetic material on design of high speed permanent magnet machines
... Abstract—This paper investigates the effect of two soft magnetic materials on a high speed machine design, namely 6.5% Silicon Steel and Cobalt-Iron alloy. The effect of design parameters on the machine performance as an ...
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Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles
... Cylindrical Inner stator (CY PS-SFPM), as shown in Fig.1 (a), has an inner stator that allocates the PMs circumferentially. However, it is found that for high number of poles applications, not all the iron volume in the ...
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Stator iron loss of tubular permanent-magnet machines
... electromagnetic machines, which can provide thrust force directly to a payload or generate electrical power from an applied thrust, are being developed for a wide spectrum of applications in market sectors as ...
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Radial force control of multi sector permanent magnet machines
... ermanent magnet synchronous machines (PMSM) are widely adopted in many high performance industrial applications and more recently have seen an increased uptake driven by transportation including automotive, ...
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High speed solid rotor permanent magnet machines: concept and design
... Table II shows a series of results obtained for various combinations of bridge thickness and magnet area. As expected the maximum stress is more sensitive to the bridge thickness than the magnet cross ...
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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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