A Combined Experimental and Finite Element Analysis Method for the Estimation of Eddy-Current Loss in NdFeB Magnets [PDF]
Sensors, 2014 NdFeB permanent magnets (PMs) are widely used in high performance electrical machines, but their relatively high conductivity subjects them to eddy current losses that can lead to magnetization loss.
Radu Fratila +3 more
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A Method to Reduce Eddy Current Loss of Underwater Wireless Power Transmission by Current Control
Applied Sciences, 2022 In recent years, wireless power transmission (WPT) technology based on magnetic resonance has been extensively studied. However, in contrast to that in the air, wireless power transmission in seawater medium will be accompanied by inevitable energy loss,
Jiale Wang, Baowei Song, Yushan Wang
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Eddy current loss modelling for torque‐motors [PDF]
IET Power Electronics, 2022 A torque motor is a key component that directly influences the dynamic performance of two‐dimensional (2D) cartridge servo valves. Considering the effects of eddy current, a magnetic circuit model of a torque motor is proposed, and the eddy current ...
Zhiwei Li +4 more
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Eddy Current Loss Reduction in Axial-Flux Motors Using 3D Printing
Energies, 2023 As more electrification and emission-free transportation trends receive more attention, electrical systems applied in the aircraft and automotive industries are changing from fossil fuel and hydraulic systems to electric AC machine drive systems.
Hyun-Jo Pyo +4 more
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Analysis of Eddy Current Loss of 120-kW High-Speed Permanent Magnet Synchronous Motor
Machines, 2022 Pulse width modulation current harmonics and space harmonics are some of the major factors affecting the rotor eddy current loss of the high-speed permanent magnet motor.
Bo Pan +4 more
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Eddy current loss analysis of underwater wireless power transfer systems with misalignments
AIP Advances, 2018 Underwater wireless power transfer (WPT) has gained a lot of popularity in recent years. In the seawater environment, the electrical conductivity is non-negligible compared with that in the air.
Zhengchao Yan +5 more
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Eddy current loss calculation and thermal analysis of axial-flux permanent magnet couplers
AIP Advances, 2017 A three-dimensional magnetic field analytical model of axial-flux permanent magnet couplers is presented to calculate the eddy current loss, and the prediction of the copper plate temperature under various loads is analyzed.
Di Zheng +5 more
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Analysis and Experiment of Eddy Current Loss in Radial Magnetic Bearings with Solid Rotor
MATEC Web of Conferences, 2018 In order to reduce power losses for the aerospace applications, this paper analyzes the eddy current losses produced by high-speed rotating solid rotor core magnetic bearings of magnetically suspended control & sensitive gyroscope (MSCSG).
Yin Zengyuan +3 more
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Rotor Eddy Current Loss Calculation of a 2DoF Direct-Drive Induction Motor [PDF]
Energies, 2019 A two-degree-of-freedom direct-drive induction motor (2DoFDDIM), whose solid rotor is coated with a copper layer, is capable of linear, rotary, and helical motions and has widespread applications.
Wei Wu +5 more
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Comprehensive study on in‐plane eddy‐current loss in permanent‐magnet synchronous machines
IET Electric Power ApplicationsIn‐plane eddy‐current loss in permanent‐magnet synchronous machines has been comprehensively and analytically studied by using three‐dimensional (3D) finite element method. Considering the accuracy and calculation time, the electrical conductivity in the
Hideki Ohguchi +2 more
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