Comprehensive Analysis of Influencing Factors of AC Copper Loss for High-Speed Permanent Magnet Machine with Round Copper Wire Windings [PDF]
Machines, 2022 AC copper loss from stator winding is one of the main losses of the high-speed permanent magnet machines (HSPMMs) and directly affects the performance of the machines.
Guanghui Du +4 more
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YOT-Net: YOLOv3 Combined Triplet Loss Network for Copper Elbow Surface Defect Detection [PDF]
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
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Minimization of Copper Losses in Copper Smelting Slag During Electric Furnace Treatment [PDF]
JOM, 2012 In the quest to achieve the highest metal recovery during the smelting of copper concentrates, this study has evaluated the minimum level of soluble copper in iron-silicate slags. The experimental work was performed under slag-cleaning conditions for different levels of Fe in the matte and for a range of Fe/SiO2 ratios in the slag. All experiments were
Pascal Coursol +4 more
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Rapid Loss of Copper from the Water Column [PDF]
Environmental Toxicology and Chemistry, 2020 William J. Adams
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Novel features of potassium and sodium vibrations on copper surfaces observed by high-resolution electron-energy-loss spectroscopy [PDF]
, 1990 High-resolution electron-energy-loss spectra of alkali metals adsorbed on Cu show three unexpected features: the adsorbate-substrate stretching frequency does not change with coverage, within 1 meV on Cu(111) and Cu(110), in agreement with the covalent ...
C. Astaldi, Petra Rudolf, S. Modesti
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Investigation of the Temperature Effects on Copper Losses in Hairpin Windings
Machines, 2022 Today, an extensive electrification is occurring in all industrial sectors, with a special interest seen in the automotive and aerospace industries. The electric motor, surely, is one of the main actors in this context, and an ever-increasing effort is ...
Mohammad Soltani +3 more
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A Position Sensorless Closed-Loop Control Mode of a Three-Phase Hybrid Stepper Motor
Energies, 2022 The demand for the high-performance and low-cost position control actuators in many applications promotes the development of three-phase hybrid stepper motors.
Zhen Peng, Chao Bi
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Losses in Efficiency Maps of Electric Vehicles: An Overview
Energies, 2021 In some applications such as electric vehicles, electric motors should operate in a wide torque and speed ranges. An efficiency map is the contour plot of the maximum efficiency of an electric machine in torque-speed plane.
Emad Roshandel +4 more
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IEEE Open Journal of the Industrial Electronics Society, 2021 Evaluating the high-frequency winding loss accurately is crucial for the design of modern high-frequency power converters. This paper proposes a novel experimental method to accurately measure the in-situ inductor winding loss, which separates out the ...
Navid Rasekh, Jun Wang, Xibo Yuan
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Copper-transporting ATPase is important for malaria parasite fertility [PDF]
, 2013 Homeostasis of the trace element copper is essential to all eukaryotic life. Copper serves as a cofactor in metalloenzymes and catalyses electron transfer reactions as well as the generation of potentially toxic reactive oxygen species. Here, we describe
Kenthirapalan, Sanketha +3 more
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