Results 71 to 80 of about 489,649 (259)
IET Electric Power ApplicationsThis paper proposes a multi‐level optimisation design strategy aimed at enhancing the fault‐tolerant capability of a Yoke‐less Axial‐Field Flux‐Switching Permanent Magnet (YASA‐AFFSPM) motor.
Javad Rahmani‐Fard +1 more
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Performance criteria guideline for three explosion protection methods of electrical equipment rated up to 15,000 volts AC [PDF]
The Bureau of Mines, U.S. Department of the Interior, is reviewing explosion protection methods for use in gassy coal mines. This performance criteria guideline is an evaluation of three explosion protection methods of machines electrically powered with ...
Dunn, J. H., Linley, L. J., Luper, A. B.
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IET Power ElectronicsAiming at the torque ripple caused by significant current ripple and non‐ideal back‐electromotive force (back‐EMF) of coreless brushless DC motor (BLDCM), an incremental predictive control strategy based on unipolar pulse width modulation (PWM) is ...
Chong Zeng +3 more
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IEEE Access, 2019 In order to approximately obtain sinusoidal air-gap magnetic field and get larger radial levitation force of the bearingless permanent magnet synchronous motor (BPMSM), a novel BPMSM with Halbach magnetized rotor is proposed.
Tao Zhang +3 more
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Automotive Electric Motors Analysis and Innovation [PDF]
, 2010 Tato diplomová práce se zaměřuje na téma Analýza a inovace elektrických motorků pro automobily, popisuje princip základních stejnosměrných a střídavých elektrických strojů. Dále se věnuje konkrétněji motorkům použitým v automobilech.
Nejedlý, Vladislav
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Incremental SVM of controlled full-bridge rectifiers to allow IEC 61000-3-2 enforcement in power grid connection of modern elevator systems [PDF]
, 2002 The purpose of this paper is the study of different power converters and control techniques to allow power grid connection of modern vertical operation systems, verifying IEC 61000-3-2. We focus on the harmonic current analysis produced by the industrial
Barranco, M. +6 more
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ACS AND THE GREAT DREAM MACHINE [PDF]
Chemical & Engineering News Archive, 2005 WITH HIS NEW BOOK, "THE World Is Flat: A Brief History of the Twenty-First Century," New York Times writer Thomas L. Friedman has brought newfound energy to the crucial debate on American science, technology, and competitiveness. Friedman clearly explains how new technologies such as the Web are enabling India, China, and other nations to compete with ...
openaire +1 more source
IET Generation, Transmission & DistributionFractional slot concentrated winding (FSCW) permanent magnet (PM) machines are gaining more attention for low‐speed applications because of their great advantages.
Reza Mirzahosseini, Elham Rahimi Namaghi
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A 20 kiloHertz space station power system [PDF]
The space station represents the next major U.S. commitment in space. The efficient delivery of power to multiple user loads is key to that success. In 1969, NASA Lewis Research Center began a series of studies with component and circuit developments ...
Hansen, I. G., Wolff, F. J.
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