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Cogging Torque

Analysis and Reduction of Cogging Torque of Line-Start Permanent Magnet Motors

Analysis and Reduction of Cogging Torque of Line-Start Permanent Magnet Motors

... the cogging torque of this kind of motor at ...the cogging torque. The effect of auxiliary slots on cogging torque of LSPMSM is studied, and by changing the number of auxiliary ...

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A Novel Method for Cogging Torque Reduction in Permanent Magnet Brushless DC Motor Using T-Shaped Bifurcation in Stator Teeth

A Novel Method for Cogging Torque Reduction in Permanent Magnet Brushless DC Motor Using T-Shaped Bifurcation in Stator Teeth

... the cogging torque is carried out by analytical ...the cogging torque and to show that the T-shaped bifurcation method is very effective in cogging torque ...for cogging ...

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Core Edge Inset Radius Variation Technique To Reduce Cogging Torque Of Interior Permanent Magnet Synchronous Motors

Core Edge Inset Radius Variation Technique To Reduce Cogging Torque Of Interior Permanent Magnet Synchronous Motors

... the cogging torque for the performance improvement of ...in cogging torque for three different ...on cogging torque reduction in wide ...on cogging torque. ...

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Analytical Prediction of Cogging Torque for Interior Permanent Magnet Synchronous Machines

Analytical Prediction of Cogging Torque for Interior Permanent Magnet Synchronous Machines

... Abstract—In this paper, a combination of Lumped-Parameters Model, Quasi-Poisson’s equations and Conformal Mapping methods is used for predicting radial and tangential air gap flux density of Interior Permanent Magnet ...

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Cogging Torque Reduction in PMSM Motor by Using Proposed New Auxiliary Winding

Cogging Torque Reduction in PMSM Motor by Using Proposed New Auxiliary Winding

... output torque is calculated using Maxwell Stress ...for cogging torque minimization which is based on the torque pulsation originated from an auxiliary ...

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Double Layer Magnet Design Technique for Cogging Torque Reduction of Dual Rotor Single Stator Axial Flux Brushless DC Motor

Double Layer Magnet Design Technique for Cogging Torque Reduction of Dual Rotor Single Stator Axial Flux Brushless DC Motor

... for cogging torque reduction of axial flux permanent magnet motors are desirable because it is more practical and cost-effective in comparison to stator side ...in cogging torque of axial flux ...

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Cogging Torque Reduction of Sandwiched Stator Axial Flux Permanent Magnet Brushless DC Motor using Magnet Notching Technique

Cogging Torque Reduction of Sandwiched Stator Axial Flux Permanent Magnet Brushless DC Motor using Magnet Notching Technique

... cost. Cogging torque reduction of axial flux PM machines with modification on rotor side is desirable because it is more practical and cost effective in comparison to stator side ...in cogging ...

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Cogging torque reduction of 6S 4P spoke type IPMSM using a new combination of rotor design

Cogging torque reduction of 6S 4P spoke type IPMSM using a new combination of rotor design

... detent torque, and ‘no-current’ torque act as disturbances as they superimpose over the electromagnetic torque that is produced during the operation of the machine ...earlier, cogging ...

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A New Analytical Description and FEA Validation of an Effective Method to Reduce the Cogging Torque in SM-AFPM Motors

A New Analytical Description and FEA Validation of an Effective Method to Reduce the Cogging Torque in SM-AFPM Motors

... of cogging torque reduction as reported in [3] is to change the relative position of the poles and group ...the cogging torque and improving the distribution of the back EMF [6, ...

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Cogging torque mitigation of modular permanent magnet machines

Cogging torque mitigation of modular permanent magnet machines

... novel cogging torque mitigation method for modular permanent magnet (PM) machines with flux gaps in alternate stator ...machine cogging torque can be significantly ...

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Analytical Method for Calculation of Cogging Torque Reduction Due to Slot Shifting in a Dual Stator Dual Rotor Permanent Magnet Machine with Semi-Closed Slots

Analytical Method for Calculation of Cogging Torque Reduction Due to Slot Shifting in a Dual Stator Dual Rotor Permanent Magnet Machine with Semi-Closed Slots

... for cogging torque reduction in PM ...on cogging minimization techniques in DSDRPM ...reduce cogging, namely, slot opening shifting, varying slot opening angular width, and PM angular width ...

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Influence of design parameters on cogging torque in permanent magnet machines

Influence of design parameters on cogging torque in permanent magnet machines

... electromagnetic torque can be calculated analytically or numerically in a variety of ways, such as by the Maxwell Stress and co-energy ...the cogging torque in permanent magnet ma- chine topologies ...

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Exact Analytical Method for Air-Gap Main Magnetic Field Computation and Cogging Torque of SMPM Motors

Exact Analytical Method for Air-Gap Main Magnetic Field Computation and Cogging Torque of SMPM Motors

... and cogging torque computed with the proposed analytical method are compared with those issued from 2-D finite-element method (FEM), and the comparison results are consistent and show the correctness and ...

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

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

... Comparison of the maximum cogging torque values of PMSG with centered holes and the different 277. models considering skewing[r] ...

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Effect of Slot Opening Angle on the Cogging Torque in PMSM Motor

Effect of Slot Opening Angle on the Cogging Torque in PMSM Motor

... Abstract:The cogging torque is one the most important factors in making noise in PMSM motor ...decrease cogging torque ripple in motor ...the cogging torque ...results ...

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Optimum rotor design of small PM BLDC 
		motor based on high efficiency criteria

Optimum rotor design of small PM BLDC motor based on high efficiency criteria

... weight. Cogging torque is caused by the interaction between the magnet surface and the number of slots, and gap ...reduce cogging torque in the design phase by using combinations of distinct ...

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Developing a 3D FEM Model for Electromagnetic Analysis of an Axial Flux Permanent Magnet Machine

Developing a 3D FEM Model for Electromagnetic Analysis of an Axial Flux Permanent Magnet Machine

... the torque ripple. As cogging torque is minimized through successful optimization, the relative proportion of the low-frequency component increases and becomes notice- ...of cogging ...

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Shape and topology optimization of a permanent-magnet machine under uncertainties

Shape and topology optimization of a permanent-magnet machine under uncertainties

... (average) torque itself was not involved in the optimization ...the cogging torque, the torque ripple and the back EMF, however, without coupling a vibro-acoustic modeling as in, ...

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Optimum Design of BrushLess DC Motor with Minimum Torque Pulsation using FEM & PSO

Optimum Design of BrushLess DC Motor with Minimum Torque Pulsation using FEM & PSO

... of torque pulsation. Torque pulsation is, in turn, the resultant of two different types of torque, ...ripple torque and cogging torque. Ripple torque is produced by the ...

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No Load Performance of a Novel Synchronous Permanent Magnet Generator with Soft Magnetic Composite

No Load Performance of a Novel Synchronous Permanent Magnet Generator with Soft Magnetic Composite

... Abstract— This paper introduces a new axial field flux synchronous permanent magnet generator for small wind turbine applications. 3D finite element analysis used to investigate, design and optimize a 3-phase 12/10-pole ...

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