Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]
, 2012 Permanent magnets are frequently adopted in small brushless machines for automotive applications. Normally anisotropic ferrites, but some research on bonded magnets is being carried on.
Ferraris, Luca +3 more
core +1 more source
A Bidirectional DC–DC Converter With Direct Power Transfer
IEEE Open Journal of Power ElectronicsThis paper presents a novel bidirectional DC–DC converter for several applications such as energy storage systems. The proposed power circuit topology not only has inherent soft switching but also offers reduced conduction losses. The reduction in
Sajjad Goudarzitaemeh, Majid Pahlevani
doaj +1 more source
Insights into tunnel FET-based charge pumps and rectifiers for energy harvesting applications [PDF]
, 2017 In this paper, the electrical characteristics of tunnel field-effect transistor (TFET) devices are explored for energy harvesting front-end circuits with ultralow power consumption.
Moll Echeto, Francisco de Borja +2 more
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Energies, 2018 Bridgeless power factor correction (PFC) converters have a reduced number of semiconductors in the current flowing path, contributing to low conduction losses.
Xiang Lin +2 more
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Simulating AIA observations of a flux rope ejection [PDF]
, 2014 Extreme ultraviolet (EUV) images from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamic Observatory (SDO) are providing new insights into the early phase of CME evolution. Observations now show the ejection of magnetic flux ropes from the
Mackay, Duncan H. +2 more
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Developed cascaded multilevel inverter topology to minimise the number of circuit devices and voltage stresses of switches [PDF]
, 2014 In this study, a novel structure for cascade multilevel inverter is presented. The proposed inverter can generate all possible DC voltage levels with the value of positive and negative.
Adjami, Ali +3 more
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But What About... Cosmic Rays, Magnetic Fields, Conduction, & Viscosity in Galaxy Formation [PDF]
, 2020 We present a suite of high-resolution cosmological simulations, using the FIRE-2 feedback physics together with explicit treatment of magnetic fields, anisotropic conduction and viscosity, and cosmic rays (CRs) injected by supernovae (including ...
Chan, T. K. +8 more
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Large volume buildings: Calculations of heat losses due to conduction
Journal of Civil Engineering and Management, 2006 The paper covers the questions associated with heating of largeâ€volume buildings using gasâ€fired air heaters. Particular attention is given to horizontal and vertical distribution of interior temperatures.
Iwona Polarczyk, Pawel Malinowski
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Hydrodynamic modelling of ejecta shrapnel in the Vela supernova remnant [PDF]
, 2013 Many supernova remnants (SNRs) are characterized by a knotty ejecta structure. The Vela SNR is an excellent example of remnant in which detached clumps of ejecta are visible as X-ray emitting bullets that have been observed and studied in great detail ...
Bocchino, F. +4 more
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Efficiency Performance of 7-Level Multiplexed and 3-Level Neutral Point Clamped (NPC) Converters
EnergiesIn medium-voltage AC applications, multilevel converters are essential due to their ability to achieve high efficiency and significantly reduce total harmonic distortion (THD), ensuring improved performance and power quality.
Shafquat Hussain +5 more
doaj +1 more source