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[PDF] Top 20 Stator iron loss of tubular permanent-magnet machines

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Stator iron loss of tubular permanent-magnet machines

Stator iron loss of tubular permanent-magnet machines

... the iron loss in rotating permanent-magnet (PM) machines have been investigated exten- sively, the study of iron loss in linear machines is relatively poorly ... See full document

8

Reduction of Eddy Current Loss of Permanent-Magnet Machines with Fractional Slot Concentrated Windings

Reduction of Eddy Current Loss of Permanent-Magnet Machines with Fractional Slot Concentrated Windings

... It is well known that the MMF harmonics can be reduced by doubling the stator slot number in the FSCW machines, but this is useless because the machine winding factor is too low. Hence, this section will ... See full document

8

Tubular modular permanent-magnet machines equipped with quasi-Halbach magnetized magnets - Part I: Magnetic field distribution, EMF, and thrust force

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 ... See full document

10

Cogging torque mitigation of modular permanent magnet machines

Cogging torque mitigation of modular permanent magnet machines

... Nevertheless, the previous works were focused on studying the influence of various modular topologies on the electromagnetic performances such as cogging torque, phase back-EMF, on load torques, iron losses, etc., ... See full document

11

Eddy-current loss in the rotor magnets of permanent-magnet brushless machines having a fractional number of slots per pole

Eddy-current loss in the rotor magnets of permanent-magnet brushless machines having a fractional number of slots per pole

... the stator MMF distribution, and pro- poses a simplified analytical model, with reference to [8]–[11], which assumes that the eddy currents are only induced in the permanent magnets and are resistance ... See full document

9

A Comparison Among Different Kinds of Stator Lamination in Tubular Linear Machines

A Comparison Among Different Kinds of Stator Lamination in Tubular Linear Machines

... the stator, a displacement at constant speed of 40 cm/s and with a total duration of one second has been ...The stator windings have been connected to a 20 Ω resistive ...the stator structure on the ... See full document

10

Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles

Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles

... Inner stator (CY PS-SFPM), as shown in Fig.1 (a), has an inner stator that allocates the PMs ...the iron volume in the inner stator is ...inner stator (SA PS-SFPM) was proposed, which ... See full document

8

Fringing in tubular permanent-magnet machines: Part II. Cogging force and its minimization

Fringing in tubular permanent-magnet machines: Part II. Cogging force and its minimization

... slotless machines, whose leading design parameters are given in Table I of Part ...the stator and armature cores, the magnetic field is solved using the nonlinear model in which the material properties of ... See full document

7

Single-Phase Permanent Magnet Dual Stator Induction Generator

Single-Phase Permanent Magnet Dual Stator Induction Generator

... Since iron cored machine is rotated manually by hand because still we are analyzing the machine we got 10 volts from both side of the ...2 machines are ...power stator is to build a 3-phase system so ... See full document

8

A Comparative Study of Quasi-FEA Technique on Iron Losses Prediction for Permanent Magnet Synchronous Machines

A Comparative Study of Quasi-FEA Technique on Iron Losses Prediction for Permanent Magnet Synchronous Machines

... of iron loss distribution in the model, in which the technique allows designers to provide an advanced iron loss estimation via a 2-D ...Bertotti’s iron loss separation models ... See full document

13

Torque-ripple minimization in modular permanent-magnet brushless machines

Torque-ripple minimization in modular permanent-magnet brushless machines

... of stator slots and rotor poles exist ...modular machines have a sinu- soidal back-EMF waveform, so that the current controller is re- quired to track a set of sinusoidal current commands propor- tional to ... See full document

8

Design optimization of radially magnetized, iron-cored, tubular permanent-magnet machines and drive systems

Design optimization of radially magnetized, iron-cored, tubular permanent-magnet machines and drive systems

... to reduce EMF harmonics and force ripple while providing a greater degree of freedom in selecting an appropriate ratio of slot number to pole number, primarily to minimize the cogging force. However, in order to ... See full document

17

A general framework for the analysis and design of tubular linear permanent magnet machines

A general framework for the analysis and design of tubular linear permanent magnet machines

... Slotted iron-cored topologies usually have a higher force density, but may also produce an undesirable destabilizing tooth ripple cogging force and have the highest eddy current losses in the magnets and the ... See full document

16

Minimization of Eddy-Current Loss in a Permanent-Magnet Tubular Linear Motor

Minimization of Eddy-Current Loss in a Permanent-Magnet Tubular Linear Motor

... eddy-current loss (ECL) in permanent-magnet (PM) of three tubular linear PM motors ...This loss can increase the temperature inside the magnets, and that may deteriorate their magnetic ... See full document

7

Magnet Eddy Current Loss Reduction in Permanent Magnet Machines

Magnet Eddy Current Loss Reduction in Permanent Magnet Machines

... for magnet eddy current loss ...interior permanent magnet (IPM) machine, and there might be a mechanical problem if they are employed for a surface mounted permanent magnet ... See full document

12

Iron Loss Prediction Using Modified IEM-Formula during the Flux Weakening for Permanent Magnet Synchronous Machines

Iron Loss Prediction Using Modified IEM-Formula during the Flux Weakening for Permanent Magnet Synchronous Machines

... Figure 6 Harmonic spectra and total iron loss prediction using classic and modified IEM-Formula during FWOT, 305. where: ( a ) existing dominant harmonics on total iron loss and specia[r] ... See full document

14

Loss Minimization in Surface Permanent-Magnet Synchronous Motor Drives

Loss Minimization in Surface Permanent-Magnet Synchronous Motor Drives

... of iron and stray losses are ...the stator winding is very small, the respective voltage drop could be ...The stator current I s is resolved into the respective d and q-axis ... See full document

7

Performance Characteristics of Non-Arc Double Stator Permanent Magnet Generator

Performance Characteristics of Non-Arc Double Stator Permanent Magnet Generator

... non-arc permanent magnets is embedded between the pole ...the permanent magnet from being displaced from its original position as it is designed for high speed ...Boron Iron (NdFeB42) with a ... See full document

14

Influence of Rotor Magnet Shapes on Performance of Axial Flux Permanent Magnet Machines

Influence of Rotor Magnet Shapes on Performance of Axial Flux Permanent Magnet Machines

... PM machines are available in literature [1– ...namely, stator modification techniques and rotor modification ...includes stator slot skewing [1–3], slot opening variation [1, 4], tooth shaping [4], ... See full document

11

A Novel Double-Stator Permanent Magnet Generator Integrated with a Magnetic Gear

A Novel Double-Stator Permanent Magnet Generator Integrated with a Magnetic Gear

... double-stator permanent magnet generator integrated with a magnetic gear has been proposed, and its performance characteristics have been analyzed with 2-D ... See full document

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