Results 131 to 140 of about 9,673 (258)
Nuclear demagnetization for ultra-low temperatures
Nuclear demagnetization is one of the most successful methods of cooling an appreciable amount of matter to the lowest temperatures. The principle of nuclear demagnetization is the same as that of the adiabatic demagnetization of a paramagnetic salt ...
Matsumoto, Koichi +3 more
core
Demagnetization Fault Investigation In Permanent Magnet Synchronous Motor
, 2014 International audienceCondition monitoring of electrical machines problems is essential for guaranteeing high motor performance, efficiency, and reliability.
Arab Khaburi, Davod +7 more
core +1 more source
Advanced Theory and Simulations, Volume 9, Issue 6, June 2026.This study evaluates an integrated direct‐indirect oil cooling system for electric motor thermal management under steady‐state overload conditions. The results show that the combined cooling architecture improves heat removal from the winding, stator, and housing while balancing pressure drop penalties.
Tai Duc Le +6 more
wiley +1 more source
Study on Permanent Magnet Synchronous Demagnetization Fault Performance
, 2014 : The relationship of permanent magnetic material characteristic parameters was analyzed, and a simulation method of a permanent magnet synchronous motor (PMSM) rotor demagnetization fault was put forward.
Zhiyan Zhang +4 more
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Advanced Physics Research, Volume 5, Issue 6, June 2026.Nanoscale 3D imaging of superparamagnetic microbeads via soft X‐ray laminography reveals the structural origin of the observed torques in cell movement experiments. These microbeads are found to have an uneven distribution of magnetic magnetite nanoparticles.
Findan Block +9 more
wiley +1 more source
Fault-Tolerant Redesign of a Quad-Winding PMSM to Prevent Irreversible Partial Demagnetization
ActuatorsThis paper proposes a fault-tolerant optimal design method for quad-winding permanent magnet synchronous motors (PMSMs) considering irreversible demagnetization under fault conditions.
Min-Seong Jo +3 more
doaj +1 more source
Engineering Reports, Volume 8, Issue 6, June 2026.Due to complex wind farm conditions, a coordinated control system was designed. It manages DC power surges during AC faults by temporarily storing excess energy and regulating voltages. This strategy optimizes unbalanced power and enables effective fault recovery, resulting in minimal voltage fluctuations and superior performance.
Lei Chen, Qi Han
wiley +1 more source
Engineering Reports, Volume 8, Issue 6, June 2026.Magnesium–ZrO2 nanocomposites fabricated via powder metallurgy exhibited enhanced density, magnetic saturation (up to 14 emu/g), and wear resistance. Uniform nanoparticle dispersion improved bonding and reduced delamination, demonstrating strong potential for lightweight, multifunctional applications in aerospace and automotive engineering.
Thanikodi Sathish, A. Johnson Santhosh
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The surging demand for high‐performance NdFeB magnets has made it essential to achieve ultrahigh coercivity while minimizing the consumption of heavy rare earths. To tackle this challenge, this study proposes a Dy/Tb bilayer grain boundary diffusion strategy and systematically investigates the co‐diffusion behavior of Dy and Tb.
Rui Chang +7 more
wiley +1 more source
AIP AdvancesThis paper presents an analysis of demagnetization of an outer rotor type brushless DC (BLDC) motor with a permanent magnet (PM) overhang structure.
Tae-Seong Kim +5 more
doaj +1 more source