Technologies for voltage control of self-excited induction generators. An approach for maximizing the power extracted from self-excited induction generators in specific applications without strict restrictions on the generated frequency and voltage.
Methodology and milestones defined density measurement of liquids, as well as the definition of its other parameters: isothermal compressibility, isobaric thermal expansion and pressure. Conformity assessment of the experimental density regulations.
Mechanisms of phase separation in non-stoichiometric solutions of silicon oxide high-temperature annealing. Creating a matrix of silicon oxide and silicon nano-sized inclusions. Analysis of thermodynamic processes during the separation Si/Si oxide phase.
Development of a modified computerized system for experimental study of adsorption-desorption processes and defects in ceramics. Using the mathematical data processing positron annihilation spectroscopy. Learning speed capture of positrons by defects.
Features of plastic forming (micro creep) of a wide class of fresh-quenched metallic glass (mg) at room temperature and under the action of tensile stresses. The increase in the volume fraction of crystallization centers in the amorphous matrix.
Characteristic features of the effect of noise on the power and polarization characteristics of semiconductor lasers within the scope of our earlier model which considers polarization switching. Research and analysis of results of numerical simulation.
Analysis of physical processes that may cause the fragility and destruction of the lava-like fuel containing materials of 4-th unit of Chernobyl Nuclear Plant. Analysis of influence of electric fields arising in medium with incorporated radionuclides.
The acquaintance with the peculiarities of the spatial distribution of electromagnetic fields. The characteristic features of Electromechanical disintegrator. Consideration of methods of distribution of eddy currents in the working conductive camera EMD.
Molecular dynamics simulations have been performed to study the mechanical properties of two-dimensional titanium carbide under tensile deformation. Young modulus was calculated from the linear part of strain-stress curve. The structure of the samples.
The procedure of coordinating solutions for individual subsystems and does not require iterative calculations by subsystem. Setting the nodes with PMU as slack nodes of subsystems provides coordination of voltage phase angles in subsystem calculations.
Synchronized measurements (the registrations of the transients) of the regime parameters, including vectors of the voltage in the network nodes, creating the technical possibility of realization of the technologies for checking of regime admissibility.
Setting relay protection operate areas and blockings, summarizing settings calculation algorithm. Concept subspace aggregate as real or complex signal. Unconventional approach to data conversion and overcoming opposition of а- and b-conditions.
Моделирование - часть сквозного автоматизированного проектирования. Предложение способа устойчивого совместного моделирования объектов управления и устройств релейной защиты и автоматики при малом времени единичного расчета. Совершенствование алгоритмов.
Magnetite nanoparticles were synthesized via co-precipitation of iron (II) and iron (III) salts by potassium hydroxide or ammonium hydroxide in aqueous solution. Magnetic properties of magnetite nanoparticles were investigated by magnetometry method.
Analysis of the potential for cascade failure of the U.S. crude oil pipeline infrastructure using model based risk assessment software. Indentification of regional differences in network resiliency and susceptibility to cascade failure in United States.
Mechanism of the Earth magnetic field. Role of gravity in the evolution of planet and the formation of continents margins. Influence of gravity anomalies on seismic events, weather conditions and tsunami origin. Gravitational vehicle of volcanos.
Induced transitions between a limit cycle and the state of the rest of the van der Pol has a threshold and disappears at rest. The threshold value is directly proportional to the product of the energy of oscillation and the coefficient of friction.
The general problem of dissipation in macroscopic large-amplitude collective motion and its relation to the energy diffusion of the intrinsic degrees of freedom of a nucleus is studied. Different dynamical regimes of the intrinsic nuclear motion.
Investigation of size effects in hydrogen-bonded crystals by numerical solution of the kinetic equation in finite differences, by finite difference method Calculation of the current density of thermally stimulated depolarization in finite differences.
The application of the methods of calculation of surface and volume losses in the constructional elements of transformers of ferromagnetic steel. A samples definition of heating in the constructional elements of equipment with the single-phase autotype.