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Prediction of Mechanical Loss for High-Power-Density PMSM Considering Eddy Current Loss of PMs and Conductors

IEEE transactions on magnetics, 2021
This article proposes an indirect method for predicting mechanical loss by considering the eddy current loss of permanent magnets (PMs) and conductors under the no-load condition.
Soo-Hwan Park   +4 more
semanticscholar   +1 more source

Estimation Method for Rotor Eddy Current Loss in Ultrahigh-Speed Surface-Mounted Permanent Magnet Synchronous Motor

IEEE transactions on magnetics, 2021
Surface-mounted permanent magnet synchronous motors (SPMSMs) usually adopt a retaining sleeve for ultrahigh-speed (UHS) applications. The retaining sleeve usually has high electrical conductivity and cannot be segmented.
Dong-Min Kim   +5 more
semanticscholar   +1 more source

Eddy Current Loss Calculation for Permanent Magnet Eddy-current Coupler

2020 7th International Conference on Information Science and Control Engineering (ICISCE), 2020
This paper presents an analytical method for calculating the eddy current loss of permanent magnet eddy-current coupler (PMEC). A magnetic equivalent circuit (MEC) model considering the eddy current effect and leakage is established. Then, based on Kirchhoff’s law and Ampere’s law of loop, the flux density passing through the conductor rotor and the ...
Wei Liu   +5 more
openaire   +1 more source

Eddy Current Loss and Detuning Effect of Seawater on Wireless Power Transfer

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
Due to the conductivity of the seawater, the traditional mutual inductance circuit model in the air cannot be used directly to describe wireless power transfer (WPT) systems in seawater applications.
Kehan Zhang   +5 more
semanticscholar   +1 more source

Eddy current losses in ferromagnetic laminations

Journal of Applied Physics, 2000
It is demonstrated through the comparison of analytical, numerical, and experimental results that the existence of excess eddy current losses can be explained by the peculiar nature of the nonlinear diffusion of electromagnetic fields in magnetically nonlinear laminations. The essence of this peculiar nature is that nonlinear diffusion occurs as inward
SERPICO, CLAUDIO   +4 more
openaire   +3 more sources

Eddy-Current Losses in Mn-Zn Ferrites

IEEE Transactions on Magnetics, 2014
We predict the contribution of eddy currents to power losses in polycrystalline Mn-Zn ferrites and apply it to experimental results obtained on a broad frequency range in different commercial materials and differently sized ring samples. It is verified by theory and experiment that the eddy currents can, in sufficiently large specimens, measurably ...
Fiorillo F   +3 more
openaire   +2 more sources

Frequency Optimization of a Loosely Coupled Underwater Wireless Power Transfer System Considering Eddy Current Loss

IEEE transactions on industrial electronics (1982. Print), 2019
Wireless power transfer (WPT) has attracted much attention in recent years. In an underwater WPT system, the eddy current loss tends to be non-negligible as the frequency or the coil current increases. Thus, it is crucial to analyze the eddy current loss
Zhengchao Yan   +6 more
semanticscholar   +1 more source

No-load copper eddy-current losses

Journal of the A.I.E.E., 1926
One of the factors which is sometimes responsible for very considerable losses in rotating machines is that of eddy-current losses in the copper conductors resulting from slot leakage flux produced by the main flux. These losses occur at no-load as well as under load and should not be confused with the copper losses resulting from the slot leakage flux
openaire   +2 more sources

Analysis of PM Eddy Current Loss in Four-Phase Fault-Tolerant Flux-Switching Permanent-Magnet Machines by Air-Gap Magnetic Field Modulation Theory

IEEE transactions on industrial electronics (1982. Print), 2020
In this article, the permanent-magnet (PM) eddy current loss in a four-phase fault-tolerant flux-switching PM (FT-FSPM) machine is investigated from the perspective of air-gap magnetic field modulation. It can be found that the PM eddy current loss in FT-
Wenxiang Zhao   +4 more
semanticscholar   +1 more source

A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division

IEEE transactions on applied superconductivity, 2020
Permanent magnet motor is used in various fields because of their relatively small size, high power and high efficiency. However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related
Byung-Chan Kim, Jong-Hun Lee, D. Kang
semanticscholar   +1 more source

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