Results 1 to 10 of about 724 (245)

A Detailed Model of a half bridge IGBT Power Module Based on the Analytical ‎Calculation and Measurement for EMC Study ‎ [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2022
The parasitic parameters of an IGBT power module cause various problems, especially for electromagnetic compatibility (EMC) concerns. The high-variations in voltage and current produced by the inductances/capacitances near switches in the transient ...
J. Borsalani, A. Dastfan, J. Ghalibafan
doaj   +1 more source

Accounting for the effects of saturation of magnetic circuits for the mechanical characteristics of asynchronous traction engines

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
The tangential and radial dynamic inductances on properties of asynchronous traction motors are investigated. Possibility of using the method of dynamic inductances at construction of mathematical model of asynchronous traction motor is shown.
Д.О. Кулагін
doaj   +5 more sources

A word segmentation method with dynamic adapting to text using inductive learning [PDF]

open access: yesProceeding of the first SIGHAN workshop on Chinese language processing -, 2002
We have proposed a method of word segmentation for non-segmented language using Inductive Learning. This method uses only surface information of a text, so that it has an advantage that is entirely not dependent on any specific language. In this method, we consider that a character string of appearing frequently in a text has a high possibility as a ...
Zhongjian Wang   +2 more
openaire   +2 more sources

An Adjustable Wide-Range Speed-Control Method for Sensorless IPMSM Drive Systems

open access: yesIEEE Access, 2022
This paper proposes an adjustable wide-range speed-control method for sensorless IPMSM drive systems from standstill, low-speeds, middle-speeds, and high-speeds in the flux-weakening region.
Muhammad Syahril Mubarok, Tian-Hua Liu
doaj   +1 more source

An Enhanced Sensorless Control Scheme for PMSM Drives Considering Self-inductance Asymmetry

open access: yesCES Transactions on Electrical Machines and Systems, 2022
Inductance asymmetry, which is brought by inherent asymmetric parameters, manufacture tolerance, winding fault, cables with unequal lengths, etc., of permanent-magnet synchronous machines (PMSMs) can cause current harmonics and inaccurate position ...
Lijian Wu   +4 more
doaj   +1 more source

3-D RF Coil Design Considerations for MRI [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2017
High-frequency coils are widely used in medical applications, such as Magnetic Resonance Imaging (MRI) systems. A typical medical MRI includes a local radio frequency transmit/receive coil.
M.R. SHIRAVI, B. Ganji
doaj   +1 more source

Floquet analysis of linear dynamic RLC circuits

open access: yesOpen Physics, 2020
In this article, the linear dynamic analysis of AC generators modeled as RLC circuits with periodically time-varying inductances via Floquet’s theory is considered. Necessary conditions for the dynamic stability are derived.
El-Borhamy Mohamed   +2 more
doaj   +1 more source

Research on Inductance Calculations for Degaussing Windings of a Double-Layer Steel Cylinder

open access: yesIEEE Access, 2021
The inductance of degaussing windings is an important parameter for the dynamic current adjustment and overvoltage analysis of ship degaussing systems.
Chao Zuo   +4 more
doaj   +1 more source

Investigation on the Effects of Magnetic Saturation in Six-Phase Induction Machines with and without Cross Saturation of the Main Flux Path

open access: yesEnergies, 2022
The operational characteristics during transients are significantly influenced by magnetic saturation in electrical equipment. For the computation of steady-state rated operation in multiphase induction machines, the assumption of linear magnetic ...
Marwa Ben Slimene, Mohamed Arbi Khlifi
doaj   +1 more source

Mathematical Model and Characteristics of the Induction Motor with a Power Supply from a Current Source

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021
. Methods and mathematical models for studying the modes and characteristics of the three-phase squirrel-cage induction motor with the power supplied to the stator winding from the current source have been developed.
V. S. Malyar, A. V. Malyar
doaj   +1 more source

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