Fast calculation of eddy current losses caused by pulse‐width modulation in magnets of surface‐mounted PM machines based on small‐signal time‐harmonic finite element analysis
Sign Up to like & getrecommendations! Published in 2020 at "Iet Electric Power Applications"
DOI: 10.1049/iet-epa.2020.0299
Abstract: This study presents a novel method for fast calculating the eddy current losses (ECLs) caused by pulse-width modulation (PWM) harmonic voltages in the permanent magnets (PMs) of surface-mounted PM synchronous machines (SPMSMs) with distributed windings… read more here.
Keywords: finite element; current losses; time; eddy current ... See more keywords
Bounds and estimates on eddy current losses in soft magnetic composites
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DOI: 10.1063/1.5031128
Abstract: Soft Magnetic Composites can be considered as a periodic pattern of circular fibers or spheres inside a matrix. In this paper, lower and upper bounds for eddy current (EC) losses are analytically deduced for these… read more here.
Keywords: soft magnetic; bounds estimates; current losses; estimates eddy ... See more keywords
Influence of Eddy Current Losses in Nonsuperconducting Layers of HTS in Superconducting Electrical Machines
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Applied Superconductivity"
DOI: 10.1109/tasc.2024.3431232
Abstract: Numerical analysis of high-temperature superconductors (HTS) commonly addresses ac losses in the superconducting ReBCO layer. However, alternating magnetic fields also induce eddy current losses in the metallic nonsuperconducting (non-SC) substrate, silver, and copper layers of… read more here.
Keywords: eddy current; losses nonsuperconducting; current losses; influence eddy ... See more keywords
Analytical Prediction of 3-D Magnet Eddy Current Losses in Surface Mounted PM Machines Accounting Slotting Effect
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DOI: 10.1109/tec.2016.2638477
Abstract: This paper presents a novel analytical technique for predicting three-dimensional (3-D) magnet eddy current losses accounting the slotting effect of any pole–slot combinations for a surface mounted permanent magnet machine under any conditions of load.… read more here.
Keywords: current losses; slotting effect; magnet; effect ... See more keywords
Two-Dimensional Eddy-Current Losses Model and Experimental Validation Through Thermal Measurements
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DOI: 10.1109/tim.2023.3261928
Abstract: Eddy currents, generated by a spatio-temporal magnetic field variation, involve volumic losses, and consequently overheating. A 2-D analytical model is developed to determine precisely the eddy-current distribution as well as losses. An experimental validation by… read more here.
Keywords: current losses; experimental validation; eddy current; model ... See more keywords
End-Region Losses in High-Power Electrical Machines: Impact of Material Thickness on Eddy Current Losses in Clamping Structures
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DOI: 10.3390/en17225684
Abstract: High-power electrical machines often utilize clamping structures composed of various materials with specific geometric dimensions to secure the stator laminations. These structures are exposed to end-region magnetic flux, which induces eddy currents, leading to significant… read more here.
Keywords: eddy current; power electrical; current losses; electrical machines ... See more keywords