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Characteristic and Thermal Analysis of Permanent Magnet Eddy Current Brake

Jiahao Li, Guolai Yang, Quanzhao Sun
2021 CMES - Computer Modeling in Engineering & Sciences  
In this paper, the subdomain analysis model of the eddy current brake (ECB) is established.  ...  The temperature rise of the inner tube is more than 20 K each time, and that of the permanent magnet is less than 1 K each time.  ...  [11] regarded the reaction flux of eddy current as a leakage flux and derived a magnetic equivalent circuit (MEC) based formula for calculating the torque of axial eddy current coupler.  ... 
doi:10.32604/cmes.2021.013982 fatcat:2gya5ypxcjho7hzcc7hd5avepu

Mathematical Modeling of Eddy-Current Loss for a New Induction Heating Device

Hai Du, Junyuan Li, Yanbin Qu
2014 Mathematical Problems in Engineering  
The distribution of induced currents and the resultant magnetic field intensity are considered in the process of modeling the eddy-current loss and so is the mutual influence of the electric field between  ...  This device can convert mechanical energy into heat energy by utilizing eddy currents, which are induced by rotating permanent magnets.  ...  Conflict of Interests The authors declare that there is no conflict of interests regarding the publication of this paper.  ... 
doi:10.1155/2014/923745 fatcat:z27mscaf2jh7nabvniy2sb2mxq

2020 Index IEEE Transactions on Energy Conversion Vol. 35

2020 IEEE transactions on energy conversion  
., +, TEC Sept. 2020 1402-1410 Eddy current braking Study on Braking Characteristics of a Novel Eddy Current-Hydraulic Hybrid Retarder for Heavy-Duty Vehicles.  ...  ., +, TEC March 2020 347-355 Computational fluid dynamics Thermal Modeling and Analysis of Active and End Windings of Enclosed Permanent-Magnet Synchronous In-Wheel Motor Based on Multi-Block Method  ...  ., +, 1453 -1464 1964 -1972 Quantification and Propagation of Uncertainty in the Magnetic Characteristic of Steel and Permanent Magnets of a Synchronous Machine Drive. Sahu, A., +, 1926 -1934  ... 
doi:10.1109/tec.2020.3048636 fatcat:raweegwtqrffdk3ojl52yda2ee

Torque Characteristics Analysis of a Magnetorheological Brake with Double Brake Disc

Guoliang Hu, Lifan Wu, Linsen Li
2021 Actuators  
By reasonably arranging the non-magnetic sleeve inside the MR brake, the magnetic flux lines were better guided to the effective damping gaps, which increased the utilization rate of the magnetic field  ...  The experimental results show that the maximum braking torque is 18.01 N·m at the applied current of 2.0 A and the rotational speed of 400 r·min−1, and the simulation values are basically verified.  ...  [29] proposed an MR brake with built-in permanent magnets, by adding a permanent magnet to increase the internal magnetic field intensity.  ... 
doi:10.3390/act10020023 fatcat:oazyvn3zurgftct6ipyu6sztau

Multidisciplinary analysis of a 750 kW PMSM for marine propulsion including shock loading response

Borja Prieto, Marco Satrustegui, Ibon Elosegui, Nere Gil-Negrete
2020 IET electric power applications  
This study presents the electromagnetic, thermal and mechanical analysis of a 750 kW, 1200 rpm, 690 V surface permanent magnet motor aimed at marine propulsion (azimuth thruster).  ...  the addition of an inner fan.  ...  Acknowledgments The authors would like to thank Alconza Berango S.L. for their support in the development of the project, including the manufacture and testing of the permanent magnet motor prototype.  ... 
doi:10.1049/iet-epa.2019.0990 fatcat:fp6irdlvtnfixdwx4d4nvbx2ni

A simple modelling on transmission torque of eddy‐current axial magnetic couplings considering thermal effect

Xikang Cheng, Wei Liu, Weiqi Luo, Minghao Sun, Yang Zhang
2021 IET electric power applications  
This paper proposes modelling on the transmission torque of an eddy-current axial magnetic coupling (EAMC) considering the thermal effect.  ...  K E Y W O R D S eddy-current axial magnetic coupling (EAMC), permanent magnet (PM), reluctance, thermal effect, transmission torque This is an open access article under the terms of the Creative Commons  ...  XLYC1807086, XLYC1801008), the Dalian Science and Technology Innovation Fund (2020JJ25CY005) and the Innovation Supported Program for High-Level Talents (No. 2019CT01).  ... 
doi:10.1049/elp2.12165 fatcat:lomwfmt255emfoatsthbzeuvje

50-$\hbox{N}\cdot\hbox{m}$/2500-W Bearingless Motor for High-Purity Pharmaceutical Mixing

Bernhard Warberger, Remo Kaelin, Thomas Nussbaumer, Johann W. Kolar
2012 IEEE transactions on industrial electronics (1982. Print)  
The motor consists of a stator with concentrated windings and an exterior rotor with permanent magnets. The rotor is propelled and spatially suspended only by means of magnetic fields.  ...  In order to evaluate the load of the bearingless motor in mixing operation, a fluid simulation is set up.  ...  Index Terms-Brushless motors, continuous stirred tank reactor, design optimization, eddy currents, fluid dynamics, magnetic forces, magnetic levitation, thermal analysis, torque measurement.  ... 
doi:10.1109/tie.2011.2161657 fatcat:pnxiqwugd5a5hjo637tywcgm3u

Analysis of Temperature Field and Water Cooling of Outer Rotor In-wheel Motor for Electric Vehicle

Qiping Chen, Hao Shao, Juanlin Huang, Haoyu Sun, E. Jiachao Xie
2019 IEEE Access  
In this paper, Ansoft Maxwell software is used to establish the twodimensional loss simulation model of in-wheel motor, and the winding loss, stator core loss, rotor core loss and permanent magnet eddy  ...  The results show that the temperature drop of winding is 32%, the temperature drop of stator core is 30%, the temperature drop of permanent magnet is 26%, and the temperature drop of rotor is 25%.  ...  ACKNOWLEDGMENT The authors would like to thank anonymous reviewers for their helpful comments and suggestions to improve the manuscript.  ... 
doi:10.1109/access.2019.2943775 fatcat:bf24zfqb3nbz5cjh6c7uzbtnoi

The fan design impact on the rotor cooling of axial flux permanent magnet machines

A. S. Fawzal, R. M. Cirstea, K. N. Gyftakis, T. J. Woolmer, M. Dickison, M. Blundell
2016 2016 XXII International Conference on Electrical Machines (ICEM)  
Chris McCaw and Mr. David Mackenzie for their support and assistance.  ...  This is to allow further thermal management on eddy currents and stray losses of the magnets and the rotor.  ...  Both fan and thermal characteristics studied in this paper could be an input to a lumped parameter thermal model, in order to achieve accurate thermal losses prediction for axial flux permanent magnet  ... 
doi:10.1109/icelmach.2016.7732907 fatcat:dugs55t7zjen5hymejgt47j5im

Integral Methodology for the Multiphysics Design of An Automotive Eddy Current Damper

Umid Jamolov, Giovanni Maizza
2022 Energies  
The magneto-thermal simulations suggested that the heating of the permanent magnets remains within a safe region over the investigated operational frequency range of the eddy current damper.  ...  The design of the EC damper addresses the effects of the geometries of the stator and rotor, as they are the most critical geometries for maximizing the functions of an eddy current damper.  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/en15031147 fatcat:serijbqwyjao5irifsa7ar3hsi

2019 Subject Index (A-M) IEEE Transactions on Magnetics Vol. 55

2019 IEEE transactions on magnetics  
Almansouri, A.S., +, TMAG Feb. 2019 4700104 Eddy current braking Performance Analysis and Optimization of Liquid-Cooled and Fly- wheel-Type Eddy Current Retarder.  ...  ., +, TMAG June 2019 8300605 Analytical Analysis of an Adjustable-Speed Permanent Magnet Eddy-Cur-Eddy Current Linear Speed Sensor.  ... 
doi:10.1109/tmag.2020.2971157 fatcat:zxevj2qaozdsbkjtongdalsfdu

Numerical simulation of heat dissipation of surface mounted permanent magnet synchronous hub motor

Shuai Leng, Liqiang Jin
2021 Thermal Science  
Due to the insulation aging, demagnetization and other problems of the permanent magnet and insulating material in the permanent magnet synchronous hub motor under high temperature, the numerical simulation  ...  of the heat dissipation of surface mounted permanent magnet synchronous hub motor is proposed.  ...  An accurate and efficient calculation method of eddy current loss of permanent magnet in the whole working area of motor is obtained, which is suitable for different permanent magnet layout, segmented  ... 
doi:10.2298/tsci2106059l fatcat:o6gkkvtssvh2jf6wggxkxeiadm

Thermal Analysis Strategy for Axial Permanent Magnet Coupling Combining FEM with Lumped-Parameter Thermal Network

Xikang Cheng, Wei Liu, Ziliang Tan, Zhilong Zhou, Binchao Yu, Wenqi Wang, Yang Zhang, Sitong Liu
2020 Energies  
Thermal analysis is exceptionally important for operation safety of axial permanent magnet couplings (APMCs).  ...  In addition, a limiting and safe slip speed can be determined based on the demagnetization temperature permanent magnet (PM).  ...  Analysis of Magnetic Field on the CS The magnetic flux density and the eddy current are significant for the loss analysis of the APMC.  ... 
doi:10.3390/en13195019 fatcat:w5khmb4lxfhplhxbgtg6rciueu

Table of Contents

2022 IEEE Transactions on Vehicular Technology  
Raja, and N. Kumar A Discrete Control Method for the Unsignalized Intersection Based on Cooperative Grouping .  ...  Su 250 Fluid Flow and Thermal Analysis of an Axial Flux Permanent Magnet Eddy Current Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ...  Happee 196 Cooling Analysis of High-Speed Stator-Permanent Magnet Flux-Switching Machines for Fuel-Cell Electric Vehicle Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/tvt.2021.3139860 fatcat:heyeekeuvbb7rohazhzmtwoswy

Performances Analysis of a Novel Electromagnetic-Frictional Integrated Brake Based on Multi-Physical Fields Coupling

Kuiyang Wang, Ren He, Jinhua Tang, Ruochen Liu
2019 World Electric Vehicle Journal  
Based on the COMSOL software, numerical coupling calculations of electric, magnetic, thermal, and solid fields of integrated brake were carried out respectively in the emergency and downhill braking at  ...  Under the two braking conditions, the temperature rise of friction brake was faster than that of an electromagnetic brake, and the effect of the electromagnetic brake on temperature rise of integrated  ...  A novel integrated brake with friction braking and permanent magnet braking was proposed for automotive application, and the basic theoretical analysis, numerical simulation, and experimental verification  ... 
doi:10.3390/wevj10010009 fatcat:4golxfmatfdy7l45enccvdqw64
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