Results 121 to 130 of about 428 (171)
Measurement of magnetic properties in boiler steel at high temperatures using a U-shaped yoke. [PDF]
Sci RepCao M +5 more
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Preparation and Magnetic Properties of Low-Loss Soft Magnetic Composites Using MgO-Phenolic Resin Coating. [PDF]
Materials (Basel)Wan L, Sun X, Li J, Wu S.
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Magnetization switching by asymmetric topological surfaces. [PDF]
Natl Sci RevLi Z +11 more
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Irreversible adiabatic demagnetization: Entropy and discrimination of a model stochastic process
Journal of Statistical Physics, 1975A recently proposed evaluation of irreversible entropy changes with the help of model stochastic processes is applied to the demagnetization of an isolated square Ising lattice. A stochastic process (executed with a computer) causes an initially magnetized lattice to undergo an adiabatic demagnetization, with no external work, by flipping the spin's ...
Z Alexandrowicz, Alexandrowicz Z
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Dynamic characteristic analysis of irreversible demagnetization in SPM- and IPM- type BLDC motors
IEEE Transactions on Industry Applications, 2015In this study, we developed an algorithm for the dynamic characteristic analysis of irreversible demagnetization. The conventional static characteristic analysis of irreversible demagnetization considers only d-axis magnetic flux components. However, the accuracy of this method is limited in its analysis of irreversible demagnetization characteristics ...
Hyung-Kyu Kim, Jin Hur
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IEEE Transactions on Magnetics, 2015
Efficiency, stability and reliability of interior permanent magnet (IPM) type brushless DC motor(BLDCM) are verified through a number of studies and experiment until today. In addition, IPM type BLDCM is widely used in many applications for high power and excellent control of the per unit volume.
Hyung-Kyu Kim, Jin Hur
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Efficiency, stability and reliability of interior permanent magnet (IPM) type brushless DC motor(BLDCM) are verified through a number of studies and experiment until today. In addition, IPM type BLDCM is widely used in many applications for high power and excellent control of the per unit volume.
Hyung-Kyu Kim, Jin Hur
exaly +2 more sources
IEEE Transactions on Magnetics, 2015
Permanent magnet (PM) brushless direct current (BLDC) motors are widely used in industrial application such as electric vehicles, robot, and home appliances because the PM BLDC motors have potential to be small size due to their high energy density, performance and efficiency. On the other hand, the PM BLDC motors have disadvantages caused by using the
Hyung-Kyu Kim, Jin Hur
exaly +4 more sources
Permanent magnet (PM) brushless direct current (BLDC) motors are widely used in industrial application such as electric vehicles, robot, and home appliances because the PM BLDC motors have potential to be small size due to their high energy density, performance and efficiency. On the other hand, the PM BLDC motors have disadvantages caused by using the
Hyung-Kyu Kim, Jin Hur
exaly +4 more sources
IEEE Transactions on Magnetics, 2017
This paper proposes optimization design of permanent-magnet synchronous motor (PMSM) using hybrid-type permanent magnet (PM) considering irreversible demagnetization. Here, the hybrid-type PM is defined as using both of neodymium PM (Nd-PM) and ferrite PM (Fe-PM) in a rotor.
Chae-Lim Jeong, Jin Hur
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This paper proposes optimization design of permanent-magnet synchronous motor (PMSM) using hybrid-type permanent magnet (PM) considering irreversible demagnetization. Here, the hybrid-type PM is defined as using both of neodymium PM (Nd-PM) and ferrite PM (Fe-PM) in a rotor.
Chae-Lim Jeong, Jin Hur
exaly +2 more sources
IEEE Transactions on Magnetics, 2016
The overhang structure is an effective solution to increase the performance of a surface-mounted permanent magnet (SPM) motor using a ferrite PM. If a ferrite PM, which can be demagnetized through a large armature reaction, is used for an SPM motor controlled by the field-weakening method, the ferrite PM can suffer from irreversible demagnetization ...
Dong-Kyun Woo
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The overhang structure is an effective solution to increase the performance of a surface-mounted permanent magnet (SPM) motor using a ferrite PM. If a ferrite PM, which can be demagnetized through a large armature reaction, is used for an SPM motor controlled by the field-weakening method, the ferrite PM can suffer from irreversible demagnetization ...
Dong-Kyun Woo
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Finite Element Simulation on Irreversible Demagnetization of Permanent Magnet Synchronous Generator
2022 9th International Conference on Condition Monitoring and Diagnosis (CMD), 2022Yan Du, Wen Cao
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