scholarly journals Performance Assessment of Axial-Flux Permanent Magnet Motors from a Manual Manufacturing Process

Energies ◽  
2020 ◽  
Vol 13 (8) ◽  
pp. 2122
Author(s):  
Adrian Mlot ◽  
Juan González
Keyword(s):  
Permanent Magnet ◽  
Manufacturing Process ◽  
Permanent Magnet Synchronous Motor ◽  
Electrical Machine ◽  
Assembly Process ◽  
Permanent Magnet Motors ◽  
Axial Flux ◽  
Element Analysis ◽  
Machine Performance ◽  
Electric Traction

Implementation of a new design for the process of assembling an axial-flux permanent magnet synchronous motor (AF PMSM) may lead to unstable motor parameters during operation at low and high speeds. In this paper, experimental data related to the AFPMSM used in an electric traction motor was monitored. The paper presents tracing of machine performance in order to find quality-related issues and to evaluate the assembly process. To assess the manual manufacturing process (low-volume production) and electrical machine performance, several motors, characterized by the same size and topology, were extensively tested. Useful AF PMSM parameters such as continuous torque and continuous current were measured. The winding temperature of the stators was also monitored and carefully examined. An attempt to assess motor performance, based on measurements and aimed at the identification of the weakest parts of the electric motor design is presented. In this paper it can be seen how the subcomponents of the machine and its detailed assembly process and tolerances play key roles in achievement of the designed continuous performance with symmetrical temperature distribution in the stator winding. Selected conclusions drawn from the obtained measurements were explained by a rotor/stator misalignment study using 3-D finite element analysis.

Analysis of Air Gap Harmonic Magnetic Field and Electromagnetic Vibration of a Permanent Magnet Motor

2012 ◽  
Vol 516-517 ◽  
pp. 1742-1745
Author(s):  
Yan Li ◽  
Zeng Jie Zhang ◽  
Jia Kuan Xia ◽  
Gui Hong Feng
Keyword(s):  
Permanent Magnet ◽  
Electromagnetic Force ◽  
Permanent Magnet Synchronous Motor ◽  
Analytical Formula ◽  
Exciting Force ◽  
Permanent Magnet Motors ◽  
Permanent Magnet Motor ◽  
Element Analysis ◽  
Electromagnetic Vibration ◽  
Distortion Rate

Electromagnetic vibration is produced by radical exciting force waves acting on iron cores of permanent magnet motors. In order to reduce radial electromagnetic force, a surface mounted permanent magnet synchronous motor was analyzed. According to the electromagnetic force wave of analytical formula in the case of no-load, the main force wave order and force wave frequency were analyzed. Properly selecting the pole arc coefficient could reduce the amplitude of electromagnetic force. By finite element analysis, the results show that reduce the sinusoidal distortion rate of the flux density, electromagnetic vibration of the motor can be reduced to some extent, but not the best choice.

scholarly journals A DIFFERENT APPROACH IN OPTIMUM DESIGN PROCESS AND FEA VALIDATION OF LOW-SPEED MULTI-PHASE IPMSMS

2017 ◽  
Vol 18 (1) ◽  
pp. 133-145
Author(s):  
Seyed Asghar Gholamian ◽  
Hamid Reza Gholinejad
Keyword(s):  
Permanent Magnet ◽  
Ant Colony Algorithm ◽  
Permanent Magnet Synchronous Motor ◽  
Design Procedure ◽  
Volume Ratio ◽  
Magnetic Flux Density ◽  
Permanent Magnet Motors ◽  
Element Analysis ◽  
Interior Permanent Magnet ◽  
Dimensional Finite Element

Magnets placement effects on permanent magnet motors performance, because of its different magnetic flux density distribution. Therefore, different types of magnet placement should be examined experimentally or by valid simulations. In this paper, first, an interior permanent magnet synchronous motor (IPMSM) called spoke type with specifications related to the propulsion of ships is designed and then optimized by ant colony algorithm to increase the torque-to-volume ratio. The design procedure and its formulas presented as simple as possible. Then, to verify the optimization results of the optimized motor, a Two-dimensional finite element analysis (FEA) is done. Also in this analyze the core and the slot saturation was studied.

scholarly journals Influence of pole number on the characteristics of permanent magnet synchronous motor (PMSM)

2019 ◽  
Vol 13 (3) ◽  
pp. 1318
Author(s):  
S. Raj ◽  
R. Aziz ◽  
M.Z. Ahmad
Keyword(s):  
Finite Element Analysis ◽  
Permanent Magnet ◽  
Motor Performance ◽  
Permanent Magnet Synchronous Motor ◽  
Thermal Characteristics ◽  
Load Condition ◽  
Synchronous Motor ◽  
Permanent Magnet Motors ◽  
Element Analysis ◽  
Copper Loss

<span>This paper present the influence of pole number on the characteristics of permanent magnet synchronous motor (PMSM). This study is devoted to construct three different motors with varying pole numbers and investigating its effect on the characteristics of permanent magnet synchronous motor (PMSM). It is a study on an influence of pole numbers on electromagnetic and thermal characteristics of the PMSMs all while maintaining the same motor dimensions, parameters and slot number. The study is conducted to analyse the best slot-pole combination for a given dimension to determine if pole numbers have a role in the motor performance. The analysis for these permanent magnet motors is done via finite element analysis (FEA) in which JMAG Designer software is used. The software is used to analyse the motor performance in terms of cogging torque, speed, power, iron loss, copper loss as well as the efficiency of the motor itself. All three motors were simulated in no load and load condition.</span>

scholarly journals Optimization of Power Density of Axial Flux Permanent Magnet Brushless DC Motor for Electric Two-Wheeler

2021 ◽  
Vol 18 (22) ◽  
pp. 497
Author(s):  
Amit Narayanbhai Patel
Keyword(s):  
Permanent Magnet ◽  
Power Density ◽  
Optimization Technique ◽  
Permanent Magnet Motors ◽  
Axial Flux ◽  
Element Analysis ◽  
Brushless Dc ◽  
Design Variables ◽  
Overall Performance ◽  
Permanent Magnet Brushless Dc

The main objective of this work is to optimize the power density of axial flux permanent magnet brushless dc (PMBLDC) motor based on genetic algorithm (GA) technique for performance improvement of electric 2-wheeler. Power density is one of the important performance parameter of motor as it significantly influences overall performance of electric 2-wheeler. Firstly, the rating of electric motor is determined according to the application requirements and vehicular dynamics. Axial flux PMBLDC motor of 250 W, 150 rpm is designed to fit in to the rim of electric 2-wheeler based on assumption of various design variables. The salient contribution of this work is to suggest the best combination of design variables with the application of GA optimization technique for power density optimization. Comparative performance analysis is carried out between initially designed motor and optimized motor. Finally, 3 dimensional (3-D) finite element analysis (FEA) is performed to verify the results obtained from design optimization. Results obtained from FEA fairly validates the initial design and optimized design. It is analyzed that the power density of motor is enhanced by 42.85 % with the proposed optimization technique. The proposed technique is implementable and complexity free. It may further be applied to the performance improvement of a non-linear design comprising different design variables. HIGHLIGHTS Axial flux permanent magnet motors are the most compatible in electric vehicle applications Power density is one of the important performance parameters of axial flux permanent magnet motors Optimization of power density improves drive range and overall performance of electric vehicle Influential design variables are identified based on parametric analysis and its optimization is carried out with an GA based optimization technique with an objective of power density optimization Proposed optimization technique is validated with finite element analysis GRAPHICAL ABSTRACT

scholarly journals FEM-Based Benchmark Problem for Cogging Torque Minimization of Axial Flux Permanent-Magnet Motors in Artap Framework

2021 ◽  
Vol 65 (2) ◽  
pp. 152-159
Author(s):  
Attila Nyitrai ◽  
Tamás Orosz
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Genetic Algorithms ◽  
Permanent Magnet ◽  
Element Model ◽  
Open Circuit ◽  
Benchmark Problem ◽  
Permanent Magnet Motors ◽  
Axial Flux ◽  
Element Analysis

Optimization of axial flux permanent-magnet motors is a very important topic in the literature and requires high performance optimization algorithms and finite element analysis. This paper gives a summary of the analysis methods of axial flux permanent-magnet motors currently available in the literature. An open-circuit model was built and described using the 2D Linear Motor Modeling Approach. The model was validated by comparing air-gap flux-density waveform and cogging torque results with one of the motors described in the literature as a benchmark problem. The aim of the study was to create a method for the axial-flux motor optimization based on the open-circuit finite element model using the Ārtap software. By applying the described method, it is possible to use local and global optimization algorithms, such as evolutionary and genetic algorithms, directly using the finite element analysis results. The proposed finite element model can be used for benchmarking and selecting the most appropriate evolutionary and genetic algorithms for this kind of optimization problems.

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