Electric circuits and signals
The concept and characteristics of the electric current. Analysis of linear DC circuits. Applying Kirchhoff's in electrical engineering. The nodal equations for complex amplitudes. Representation of harmonic oscillations with the help of complex numbers.
Подобные документы
The study of the basic properties of the interfaces between the substrates and high-temperature superconductors of films. Characteristics of the surface resistance of the film at microwave frequencies. Improving the microwave properties of the HTS film.
статья, добавлен 28.10.2018The theoretical analysis of the temperature dependences in linear voltammetry in this communacation for reversible and totally irreversible electrochemical processes. Features of studing means of linear voltammetry technique in sulfare solutions.
статья, добавлен 27.07.2016The modeling results of the zonal electric field and the vertical component of the plasma transfer velocity due to electromagnetic drift during magnetic storms were presented. Penetration into the mid-latitude ionosphere during geomagnetic disturbances.
статья, добавлен 30.10.2016Analysis of current state and prospects of applicability of a high power electron beam technology for manufacturing metallic and nonmetallic composite materials. Study of equipment for high power beam technology and properties of selected compositions.
статья, добавлен 08.02.2017Summary of residual current devices. Its main purpose, operation and placement. Purpose of National Electrical Code. The process of RCDs. The process of replacing the two-wire (ungrounded) output. Photo of the internal mechanism of the residual current.
реферат, добавлен 08.11.2012Analysis of differential equations encountered in various applications, which are interpreted as equations in graphs. Using graph properties to create a high-quality theory of such equations and methods for their solution. Description of the graph struc
статья, добавлен 12.08.2020Calculation of reliability as an object’s complex. The procedure of setting the appropriate indicators using methods based on their definition by reference data about the object elements’ and the analog objects’ reliability, data on material properties.
статья, добавлен 29.11.2016Analysis of various technological and management approaches developed to improve the efficiency of electrical systems. Assessment of scientific achievements in this field. Environmental consequences of using amorphous core distribution transformers.
статья, добавлен 06.12.2024The study of the pathogenic effect of electric fields of alternating current on biological systems (Drosophlla melanogaster) to substantiate the maximum permissible levels of electromagnetic radiation by creating new rapid methods using test objects.
статья, добавлен 29.09.2018Study 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 08.02.2017- 61. Intrinsic point defects in anisotropic crystalline systems (quasi-two NbSe2 and quasi-one NbSe3)
Heat treatment of single crystals of NbSe2 and NbSe3. The complex investigation of the temperature dependences of resistance NbSe3 and NbSe2 in different environments in the field of 300-550 K. The relative change of the linear dimensions NbSe2.
статья, добавлен 22.12.2016 The problem of mass application of protection against single-phase earth faults. The main factors affecting the operation of earth fault protection. Zero sequence protection against higher harmonic currents. Limitations of devices with higher harmonics.
статья, добавлен 15.01.2021A mathematical model of the system of proactive management of the condition of the electrical equipment, which involves the selection and use of various methods of intellectual analysis of information about changes in its key diagnostic parameters.
статья, добавлен 12.09.2024The study of magnetite particle of the obtained magnetic liquid by X-ray diffraction analysis and transmission electron microscopy. Electrical conductivity and magnetic susceptibility of magnetic liquids. Changes in the electrical conductivity of samples.
статья, добавлен 19.02.2021Analysis of the top properties fluctuations, rectangular dielectric resonator. Research normal values of the amplitudes fields. Studying the frequency characteristics of the resonator depending on its size. Mode of the rectangular dielectric device.
статья, добавлен 30.07.2016The blackbody radiation problem within classical physics is reviewed. Discussion of Fundamental Constants. Analysis Maxwell’s equations. Linear and Nonlinear Oscillator Scatterers. Wien Displacement Law and the Mismatch with the Boltzmann Distribution.
статья, добавлен 11.09.2012Principles of construction of a monitoring system. Appearance of the reflectometer ALIMP. Application of the complex modulated signals. Algorithms of processing of the information. Block scheme of power lines monitoring on the basis of the devices ALIMP.
статья, добавлен 08.05.2013Analyzes the heat supply complex on the example of Lviv region. The ways of diversifying fuel and energy resources of Ukraine. The basic directions of implementing the alternative energy sources. The alternative and renewable energy sources potential.
статья, добавлен 28.09.2016Investigation of the post-radiation accumulation of F4 centers in gamma-irradiated LiF crystals after combined (simultaneous or sequential) exposure to moderate heat and a constant electric field. The analysis of the obtained results is carried out.
статья, добавлен 26.06.2018Studying the behavior of active nanoparticles ensemble within the framework of canonical approach, taking into account the internal energy. Applying the anharmonic representation of the Hamilton function and analysis the kinetics of the self-assembly.
статья, добавлен 30.07.2016The task on the classification of the linear stochastic differential Ito equation of a given type which changes due to the parameters appearing in this equation. The study is a table full of group classification of the equations. Lie operation algebra.
статья, добавлен 22.01.2017Development of the Connection: Coulomb's Law, Ampere's Law with Displacement Current, Faraday's Law. Other Equations of Electromagnetism. Continuity Equation and transformation properties of the connection. The first Chern class and Lorentz Force.
статья, добавлен 11.09.2012Setting 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.
статья, добавлен 08.05.2013Discusses 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 perspectives of development of renewable energy sources in Poland in the future. Investigation and characterization of the cumulative power installation and electric energy production. Definition of the forecast of power installation.
статья, добавлен 22.03.2016