Dual inverter-fed drives with the synchronised multilevel voltage waveforms
Adjustable electric drive system based on an asynchronous motor with open windings, powered by two paired inverters, regulated in accordance with synchronous vector modulation algorithms. Modeling systems with different types of vector modulation.
Подобные документы
Euler equations for 2D unsteady motion of a compressible medium when two components of the velocity vector, density and pressure, act as unknowns. Relations for simple algebraic combinations of unknowns, convenient for solving hydromechanical problems.
статья, добавлен 29.04.2019A numerical technique has been used slove the carrier transport equations for PbSnTe photodiode configurations. The model computes the spatial distribution of the electric field, electron concentrations and the generation-recombination of the mechanism.
статья, добавлен 28.06.2013Issues of scientific justification of electromagnetic compatibility assurance links, reliability theory and resources in the creation and operation of electrical complexes in electric power networks and systems. The increase in resource of electrical.
статья, добавлен 28.01.2020Geophysical methods: seismic exploration, gravity, magnetic and electric prospecting. The inverse and the direct problem in geophysics. Permanent or electric parameters of the alternating electromagnetic field. Longitudinal and transverse waves.
презентация, добавлен 23.03.2014Nicola’s Tesla biography and his inventions: cooperation with Thomas Edison; induction motor invention; experiments on a carbon button lamp and on various types of lighting, cooperation with J. Morgan and his work on wireless world broadcasting tower.
реферат, добавлен 21.03.2014Features of electronic radiation by using the Monte Carlo method in terms of the asymmetry of the protective values of bimetallic dual layer system. The calculation of the dose over protective structure, its application for weight and size protection.
статья, добавлен 22.12.2016The necessity of using a synergistic effect in energy systems that include vertical axial wind power plants. The ways of achieving a synergistic effect at different levels of the system hierarchy. The Navier-Stokes differential equations solution.
статья, добавлен 07.09.2022Asymptotic formulas for stray fields of arbitrarily oriented magnetic and electric dipoles located on the axis of a translucent disk. Using the Kirchhoff approximation and the stationary phase method. Numerical solution of a singular integral equation.
статья, добавлен 05.11.2018A method of data processing – a structural functions curvature analysis method. Applied to the time series of seismodeformation monitoring of Baikal rift zone. Ideas of physics of self-organized criticality and open non-equilibrium systems in general.
статья, добавлен 23.01.2014The benefits of using improved magnetic materials for electric devices. The mechanism of effect of magnetic field on the formation of ferrite particles in the polymer matrix composites. The calculation of the amount of filler in a phase transition.
статья, добавлен 30.07.2016Analysis of progress of complexes of local emergency control automation. Hardware and software of modern complexes of ECA. Algorithms of emergency control automation. Digital input/output data used in systems of relay protected and ECA of power industry.
статья, добавлен 23.06.2013Investigation of physical-energy States, reactions and excitation spectra in deformed heavy nuclear systems, magnetic spectrograph. Modeling schemes States actinide nuclei fissility. Calculation of inertia parameters of energy in the examined groups.
статья, добавлен 11.11.2013The use of asymptotic formulas for calculating the stray field of an arbitrarily oriented magnetic and electric dipole located on the axis of an ideally conducting disk. Using the methods of physical and uniform asymptotic theory of diffraction.
статья, добавлен 05.11.2018Strength margins of Turbogenerators of various power. Basic requirements to their reliability. Turbogenerator TA-6-2MU2 rated 6 MW with air cooling. Applied parameterization methods allows to develop one project instead of three separate ones.
статья, добавлен 23.07.2021Research of the radiation absorption of nanocomposites consisting of polymer matrix and metal particles filler obtained in result of electric explosion. Advantages of the method of composite polymer system creation for resistant to external actions.
статья, добавлен 23.12.2016Research of the main sources of electricity production, as well as their advantages and disadvantages. Characteristics of prospects for the development of solar power plants. Consideration of the main types and methods of installation of stations.
статья, добавлен 26.10.2020Digital signal processing algorithms for nuclear particle spectroscopy. Algorithms for a digital shaping-filter amplifier, for a digital pile-up elimination scheme and for ballistic deficit correction were investigated using a high purity detector.
статья, добавлен 24.09.2013Electric Induction Force in Railguns. The railgun accelerator. Derivation of Lorentz Force Law. The force exerted on a particle due to a potential energy. Weber Force Law and Amp`ere Force Law. Riemann Force Law. Newton’s law of action and reaction.
статья, добавлен 11.09.2012Newton’s laws for gravitation and resultant acceleration. Modeling a two body motion analogue system. The assumption that the angular velocities involved were considerably more less than one radians per second. Using of the Lambert’s wave function.
статья, добавлен 09.09.2012Study of effective ground fault detection. Analysis of single phase ground faults in mine cables and ways of their identification. Analysis of method based on measurements of variation of the fault resistance value and associated electromagnetic noise.
статья, добавлен 08.02.2017Discusses the issue of introducing renewable electricity generation sources in Ukraine's integrated power system after imposing feed-in tariff. Identification and analysis negative repercussions on reliable supply of electric power to local consumers.
статья, добавлен 28.02.2016Analysis of physical and numerical modeling of an electron emission and transport processes for different electron-optical energy conversion systems with nanostructured surface electron sources. Review of energy conversion processes with high efficiency.
статья, добавлен 30.07.2016- 98. Near-field coherent effects at thermal microwave radiation receiving on coupled linear wire antennas
A theory of electromagnetic wave multiple scattering by ensemble of dielectric and conductive bodies, with describing the excited currents inside bodies of electric field tensor T-scattering operator. A system of equations for currents on surfaces.
статья, добавлен 04.11.2018 The theory of wave multiple scattering of the Lippmann-Schwinger integral equation for the tensor of the operator of quantum mechanical scattering of an electric field by a non-magnetic particle. Wave coupling between the elements of a particle.
научная работа, добавлен 05.11.2018Characteristics of the features combined heating systems based on modules with infrared heating, bioreactors and solar collector. Research and analysis of key opportunities to use Thermosiphon solar collector for thermal control in the bioreactor.
статья, добавлен 24.02.2016