Results 1 to 10 of about 53,368 (296)

On-load Back-EMF Optimization Based on the Back-EMF MST Method and Parametric Optimization [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2019
This paper proposes an optimal design for a surface mounted permanent magnet synchronous machine (SM-PMSM) based on parametric optimization process to reduce the on-load Back-EMF distortions caused by an increase in the electromagnetic load and in the ...
Luiz Henrique Reis de Jesus   +2 more
doaj   +3 more sources

Thermodynamic investigations of the erbium tellurides by EMF method

open access: yesФізика і хімія твердого тіла, 2020
The work presents the results of a thermodynamic study of the Er-Te system by the method of electromotive forces (EMF) in the temperature range of 300-450 K. From the EMF measurements of the concentration cells relative to the Er and ErTe electrodes, the
S. Z. Imamaliyeva   +3 more
doaj   +3 more sources

The Research of EMF Zero-crossing Detection Method

open access: yesProcedia Engineering, 2011
AbstractBrushless DC motor applications are very extensive. This article is about the sensorless brushless DC motor using back EMF zero crossing detection of rotor position detection method. Proposed two kinds of terminal voltage and phase voltage back EMF zero crossing detection method to detect the rotor position, thus completing the motor control.
Qi, Zhao   +3 more
openaire   +3 more sources

EMF waveform optimization using the permanent magnet volume-integration method [PDF]

open access: yesCES Transactions on Electrical Machines and Systems, 2017
The emf expression can be derived with the PM volume-integration method, allowing easier optimization and prediction of the emf harmonic content. An analytical expression is developed for predicting the electromotive force (emf) waveforms and flux ...
Maxime R. Dubois, João P. Trovão
doaj   +2 more sources

Thermodynamic properties of selected compounds of the Ag–In–Se system determined by the electromotive force method

open access: yesФізика і хімія твердого тіла, 2022
The equilibrium phase space of the Ag–In–Se system in the part AgInSe2–InSe–Se below 500 K consists seven three-phase regions In2Se3–AgIn11Se17–Se (I), AgIn11Se17–AgIn5Se8–Se (II), AgIn5Se8–AgInSe2–Se (IІІ), In2Se3–In6Se7–AgIn11Se17 (ІV), In6Se7 ...
M.V. Moroz   +8 more
doaj   +1 more source

Experimental investigation and thermodynamic assessment of phase equilibria in the GaTe–AgGa5Te8–Te system below 600 K

open access: yesФізика і хімія твердого тіла, 2023
Equilibrium T–x space of the Ag–Ga–Te system in the GaTe–AgGa5Te8–Te part was divided below 600 K into three-phase regions Ga2Te5–AgGa5Te8–Te, Ga2Te3–AgGa5Te8–Ga2Te5, Ga7Te10–AgGa5Te8–Ga2Te3, Ga3Te4–AgGa5Te8–Ga7Te10, and GaTe–AgGa5Te8–Ga3Te4 by the ...
M. Moroz   +5 more
doaj   +1 more source

Thermodynamic properties of the GdTe3 compound

open access: yesФізика і хімія твердого тіла, 2021
The alloys of the Gd-Te system in the range of compositions > 75 at% Te were studied by the methods of X-ray diffraction (XRD) and electromotive forces (EMF). From the EMF measurements of the concentration cells relative to the GdTe electrode in the 300-
Samira Imamaliyeva
doaj   +1 more source

Thermokinetic EMF during a reverse phase transition in titanium nickelide as a way of information recording

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2021
The external factors that influence on the thermokinetic EMF value in the Ti – 50 at.% Ni samples were determined. A method for setting thermokinetic EMF in certain sections of the TiNi wire was developed. The thermokinetic EMF value was measured directly
O. A. Petrova-Burkina   +2 more
doaj   +1 more source

Soil Fungal Composition Drives Ecosystem Multifunctionality after Long-Term Field Nitrogen and Phosphorus Addition in Alpine Meadows on the Tibetan Plateau

open access: yesPlants, 2022
An ecosystem can provide multiple functions and services at the same time, i.e., ecosystem multifunctionality (EMF). Above- and belowground biodiversity and abiotic factors have different effects on EMF. Human activities increase atmospheric nitrogen (N)
Bingheng Cheng   +3 more
doaj   +1 more source

Experimental studies results of electromagnetic field effect of dielcometer system to increase the yield of greenhouse crops [PDF]

open access: yesE3S Web of Conferences, 2020
The article presents experimental studies of the application of electromagnetic technologies for impact on biological objects. Tomato seeds were chosen as experimental biological objects.
Singatulin Roman S., Sapryka Alexandr V.
doaj   +1 more source

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