Results 31 to 40 of about 5,991,247 (177)

АВТОМАТИЗИРОВАННЫЕ РАСЧЕТЫ В ПРОГРАММНОЙ СРЕДЕ FEMM ДИНАМИКИ ЭЛЕКТРОМАГНИТНЫХ ПРОЦЕССОВ ТУРБОГЕНЕРАТОРОВ

open access: yes, 2015
Attention is paid to the popular FEMM (Finite Element Method Magnetics) program which is effective in the numerical calculations of the magnetic fields of electrical machines.
V. I. Milykh, N. V. Polyakova
semanticscholar   +1 more source

On the possibility of Vacuum-QED measurements with gravitational wave detectors [PDF]

open access: yes, 2014
Quantum electro dynamics (QED) comprises virtual particle production and thus gives rise to a refractive index of the vacuum larger than unity in the presence of a magnetic field.
Grote, Hartmut
core   +2 more sources

Electromagnetic Performance Analysis of Outer Halbach Magnet Rotor Brushless DC Motor 150kW

open access: yesProceedings of the International Conference on Industrial Engineering and Operations Management, 2023
In this paper, an outer rotor electric bike brushless DC motor of 200 KW for Electric Vehicles is investigated with different magnet topologies. Magnetic angle and Halfbach arrangement are varied to evaluate their electromagnetic torque, forces, and ...
Bui Minh Dinh, Dinh Hai Linh
semanticscholar   +1 more source

Electromagnetic Torque Profile Improvement of An Interior Permanent Magnet Motor by VV Magnet Design

open access: yesProceedings of the International Conference on Industrial Engineering and Operations Management, 2023
This paper has compared double V-shape and Delta-shape rotor topologies by different optimal magnet angles. The power and torque are improved by changing the thickness of the outer bridge, and magnetic width. Various metamodels were generated for each of
Bui Minh Dinh, N. Anh
semanticscholar   +1 more source

FEM Analysis of Brushless DC Servomotor with Fractional Number of Slots per Pole

open access: yesAdvances in Electrical and Computer Engineering, 2014
The authors present in this paper the analysis with Finite Element Method (FEM) of the magnetic circuit for a Brushless DC servomotor with fractional number of slots/pole (9 slots and 10 poles).
BALUTA, G.   +4 more
doaj   +1 more source

Selection of Asynchronized Turbogenerators Parameters Taking into Account the Operating Mode [PDF]

open access: yesProblems of the Regional Energetics
The purpose of the work is to develop an algorithm for calculating currents in the asynchronized turbogenerator rotor windings when it operates at a power system with a variable load.
Shevchenko V.V.   +2 more
doaj   +1 more source

Investigation of the work of the electromagnetic actuator of the vacuum circuit breaker as a object diagnostis [PDF]

open access: yes, 2019
В роботі запропоновано спосіб визначення вебер-амперної характеристики електромагніту у процесі роботи вакуумного вимикача. Проведено натурний експеримент із вимірюванням електричних параметрів та розрахунком магнітної характеристики обмоток ...
Грабко, Володимир Віталійович   +1 more
core   +1 more source

Application of specialized software for calculation of magnetic field in the turns of switched reluctance motors stator windings

open access: yesModern Transportation Systems and Technologies, 2022
Background: The article describes the process of occurrence of additional losses in the extreme turns of the copper stator windings, based on physical laws.
Vyacheslav V. Sirotkin   +3 more
semanticscholar   +1 more source

Behaviour in Magnetic Fields of Fast Conventional and Fine-Mesh Photomultipliers

open access: yes, 2012
The performance of both conventional and fine-mesh Hamamatsu photomultipliers has been measured inside moderate magnetic fields. This has allowed the test of effective shielding solutions for photomultipliers, to be used in time-of-flight detectors based
A. de Bari   +11 more
core   +1 more source

FEM calculations current flow for submerged arc furnaces and eddy currents-heat transfer for power cables [PDF]

open access: yes, 2013
Along this proyect, FEMM program will be used. FEMM is a suite of programs for solving low frequency electromagnetic problems on 2-Dimensional planar and axisymmetric domains.
Conejo Rodríguez, Cristina
core   +2 more sources

Home - About - Disclaimer - Privacy