[PDF] Top 20 Analysis and Reduction of Cogging Torque of Line-Start Permanent Magnet Motors

... its cogging torque ...the cogging torque analysis method for PM with one-sided slots ...the cogging torque is derived based on the energy method, and the mechanism of ... See full document

... includes analysis of cogging torque reduction technique using 3-D finite element ...and analysis remain relatively time ...element analysis. Cogging torque is also ... See full document

... the cogging torque for the performance improvement of ...the reduction in cogging torque for three different ...in analysis to assess the effectiveness of CEIR variation ... See full document

... produces cogging torque, which may results in mechanical vibration, acoustic noise, and torque ...Various cogging reduction methods of design modifications ...the cogging ... See full document

... flux permanent magnet motors as it complicates stator core design & ...flux motors increases due to increased complexity of ...for cogging torque reduction of axial ... See full document

... reduce cogging torque in Permanent Magnet Brushless DC (PMBLDC) ...the cogging torque. This paper presents a new technique for cogging torque reduction in a ... See full document

... starting torque as compared to the induction motor but the average transient torque of the LSPMSMS is lower than the induction motor due to the braking torque of the permanent ... See full document

... mounted permanent magnet synchronous motors (PMSM), a combination of analytical calculation and finite element analysis (FEA) is proposed for the cogging torque ...element ... See full document

... for motors discussed and ...comprehensive analysis of the impact of magnetic reluctance effect on engine performance LSPMSM, to evaluate the performance of the motor and comparison with induction ... See full document

... the cogging torque of permanent magnet motors have been ...of motors. Nowadays, as axial flux permanent magnet motors have more advantages over radial ones, ... See full document

... The viability and performance of the new analytical approaches are compared with those of the existing analytical method and validated by transient FE simulations. It is shown that the proposed methods (especially the ... See full document

... for cogging torque reduction in PM ...[1–4], magnet skewing [1, 3, 5], tooth shape variation [4, 6], slot opening variation [1, 4–6], magnet shape variation [5, 7], optimizing ... See full document

... Permanent Magnet motors have the higher torque per volume and the highest efficiency among other drive systems but are inefficient at high speed due to the constant airgap flux.. Liter[r] ... See full document

... In software simulation, the co-simulation between Maxwell and Simplorer is selected. This is because the DFC method requires the machine model in a three phase frame with all properties e.g. the nonlinear BH curve, which ... See full document

... calculated torque- displacement curves not only lets us characterize the peak detent and driving torque, but also the zero- crossings and zero-crossing ...high torque ripple causes the rotor to run ... See full document

... The permanent magnet skew is one of the techniques mostly used on the Permanent Magnet Linear Syn- chronous Motors (PMLSMs) to reduce the thrust ripple; even though there is a ... See full document

... surface permanent magnet synchronous motor drives is ...theoretical analysis, a Loss model controller is introduced to specify the optimal air- gap flux that minimizes ... See full document

... conventional motors have a chacterstics of Low torque, high maintenance and low ...higher torque, high power density, low maintenance and less noise than conventional ...reduced torque ripple, ... See full document

... The curves in Fig. 3(a) and Fig. 4(a) are the  axis component of estimated stator flux,  axis component of actual stator flux and stator flux the estimation error. The curves in Fig. 3(b) and Fig. 4(b) are the ... See full document

... initial magnet volume and sizes have been de termined, FEA can be used for further design analysis and ...Therefore, magnet volume can be further optimized during the numerical ... See full document