Results 11 to 20 of about 3,274,429 (296)
IEEE Access, 2023 Amorphous alloy has been proposed to replace silicon steel as the stator core material of high-speed asynchronous motors so as to reduce their core losses. However, it is found that this is at the expense of increasing the copper loss.
Jiahao Zhang +6 more
doaj +1 more source
A differential genome-wide transcriptome analysis : impact of cellular copper on complex biological processes like aging and development [PDF]
, 2012 The regulation of cellular copper homeostasis is crucial in biology. Impairments lead to severe dysfunctions and are known to affect aging and development.
Servos, Jörg +11 more
core +2 more sources
Energies, 2018 The configuration of conventional high-speed Permanent Magnet Synchronous Motors (PMSMs) is usually long and thin, with overlong axial end winding lengths, which is not suitable for those applications that place severe restrictions on the axial length ...
Yuan Wan +3 more
doaj +1 more source
YOT-Net: YOLOv3 Combined Triplet Loss Network for Copper Elbow Surface Defect Detection
Sensors, 2021 Copper elbows are an important product in industry. They are used to connect pipes for transferring gas, oil, and liquids. Defective copper elbows can lead to serious industrial accidents.
Yuanqing Xian +4 more
doaj +1 more source
Semi-Empirical Model for Precise Analysis of Copper Losses in High-Frequency Transformers
IEEE Access, 2018 Accurately estimating the copper losses is essential for the elaborate design of high-frequency (HF) transformers used in high-power isolated dc-dc converters.
Bin Chen, Lin Li
doaj +1 more source
Copper Nanoparticles Prepared fromOxalic Precursors [PDF]
, 2011 The synthesis of nanoparticles of copper metal via a soft chemistry route is presented in this paper. The method is based on the thermal decomposition under nitrogen or hydrogen of oxalic precursors with a well-controlled morphology and particle size ...
Philippe Tailhades +5 more
core +1 more source
IET Electric Power Applications, 2023 Different from the copper loss of general permanent magnet (PM) motors, the copper loss of ultra‐high‐speed permanent magnet motors (UHSPMSM) includes DC losses and eddy current losses, which lead to difficulty in analysis.
Qixing Gao +3 more
doaj +1 more source
Simultaneous recovery of metals and degradation of organic species: Copper and 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) [PDF]
, 2009 In mixed wastewater streams, the presence of metal ions can retard the destruction of organic contaminants and the efficiency of recovery of the metal is reduced by the presence of organic species.
Hassan, MU, Grimes, SM, Chaudhary, AJ
core +6 more sources
Quasi-flat linear PM generator optimization using simulated annealing algorithm for WEC in Indonesia
Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2019 Linear permanent magnet generator (LPMG) is an essential component in recent wave energy converter (WEC) which exploits wave’s heave motion. It could be classified into tubular-type, flat-tricore type, and quasi-flat type.
Budi Azhari, Fransisco Danang Wijaya
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Effect of Magnetic Properties of Magnetic Composite Tapes on Motor Losses
Energies, 2022 Alternating current (AC) copper losses in motors increase with carrier frequency of the pulse width modulation (PWM) and are further increased by leakage flux of the permanent magnet. Therefore, AC copper losses increase with motor speed.
Ryo Yoshida +9 more
doaj +1 more source