Prediction of wearing out of power transformer winding insulation
Importance of the different parameters of wearing out of power transformer insulation prediction structure and operating factors. Selection of configuration and parameters of paper insulation and transformer oil technical state models is investigated.
Подобные документы
Actual trends in development of power system protection and automation. Identification of circuit parameters of power network elements. The proof of applicability of power line parameters identification algorithm. Synchrophasor application tasks.
статья, добавлен 23.06.2013Causes of accidents on power lines depending on the voltage class. Analysis of electrical equipment connected to high-voltage lines. Study of leaks in transition insulators of network wires at transformer substations, location of trees, bird flocks.
статья, добавлен 07.12.2024Schemes at medium voltage supply condition of neutral wire connection conditions. Measures to reduce investment in low voltage networks. The supply of isolated monophase consumer at MV by ground return. Technical limits for using small power transformers.
статья, добавлен 02.02.2019Problems of reducing dielectric strength of transformer oil. The technology of pumping oil through the adsorbent to remove excess moisture. Analysis of methods of drying the adsorbent by an electromagnetic field. Advantages and disadvantages of methods.
статья, добавлен 30.10.2016The analytical expression for the calculation of the relay mode frequency and power. Development of parameters of electric energy converters. The absence of the phase shift between voltage and current. Solution EMC problems. The reduction of power losses.
статья, добавлен 29.07.2016History of origin and development of the electrotechnical industry. Characteristics and distribution of transformers, their features and purpose. High voltage DC technology. Consequences of absence of electric energy storage in transmission systems.
контрольная работа, добавлен 20.02.2019The analysis of indicators of quality of electric energy in the foundry. Power quality in combination with other factors result in economic losses. Regulation of voltage deviation is performed by off-load tap changer transformer load tap changer shop.
автореферат, добавлен 30.04.2018Calculation of main electrical value and determination of isolation distances. Determination of the mass of the active part of the magnetic circuit, building materials and oil. Description of the design of transformers. Calculation of the HV winding.
дипломная работа, добавлен 06.12.2016Development of rotor mechanisms, which make it possible to use solar radiation as efficiently as possible. The design and structure of a solar power plant. Scheme of control and balancing of output power. Selection of the type of photovoltaic cells.
статья, добавлен 22.12.2016The descriptive structure and implementation of motor driver for solar power plant is proposed. Determination and characterization of the direct loss of power, depending on the angle of deviation. The development of solar power control algorithm.
статья, добавлен 26.06.2016Use of synchronous electric machines at power plants as generators, in industrial installations as traction motors. Adjustment of the power range and rotation frequencies of synchronous machine mechanisms: compressors, pumps, fans, diesel generators.
статья, добавлен 07.12.2024The procedure of creation, check and adjustment of detailed dynamic model of an electric power system. Criteria of verification and quality indicators of authenticity of dynamic models. Definition of sizes of the measured meanings of voltage frequency.
статья, добавлен 23.06.2013Principles 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 08.05.2013Review and description high reliability and security of power unit are basic requirements when the power unit maneuvering mode operation. Investigated of the power unit capacity automated control systems influence on axial offset under maneuvering mode.
статья, добавлен 29.11.2016The operation of the photoconversion system based on dual voltage inverters with synchronous intermittent modulation algorithms. Analysis of systems with two basic types of synchronous intermittent modulation and under different operating conditions.
статья, добавлен 02.02.2019Technological features of modeling wind turbines. Development of optimal physical and mechanical parameters for the design of the power plant equipped with an automated control system. Acquaintance with the results of the aerodynamic rotor testing.
статья, добавлен 22.12.2016Peculiarities of research into the problem of reliability of automotive power supply systems. The main characteristic of the power supply system testing methodology. Consideration of the main classification of failures of automotive electrical equipment.
статья, добавлен 08.12.2024Synchronized 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.
статья, добавлен 23.06.2013Introduction to the history of creation Kazakhstan Electricity Grid Operating Company. The definition and characterization basic objectives of this company - provide performance reliability of the unified power system of the Republic of Kazakhstan.
презентация, добавлен 07.03.2015The energy industry is energy, which includes generation, transmission and distribution of electricity. Thermal power plant is a power plant producing electrical energy by converting chemical energy. Nuclear power plant is a complex of necessary systems.
статья, добавлен 19.02.2019Possible directions to normalize the fuel and energy balance of Ukraine. Necessity of technical upgrade and modernization of allocated boiler installations, as well as reequipment and modernization of power plants industrial sites infrastructure.
статья, добавлен 29.11.2016- 22. Commentary on the Efficiency of Selected Structural Designs of Low Head Micro Hydraulic Power Plants
Possible structural design siphon micro hydroelectric power stations in terms of their effectiveness and the selection of the optimum head pressure. Gravitational constant (acceleration due to gravity). Calculation of hydraulic friction in the turbine.
статья, добавлен 13.01.2015 Transients in electrical power systems, short-time Fourier transform, wavelet transform, complex wavelets, wave spectrum, scalogram, frequency evaluation, phases and amplitudes of sinusoidal oscillations, evaluation accuracy and processing time.
статья, добавлен 08.05.2013Analysis of the hybrid power plant, which consists of renewable energy sources: solar, wind power. Features of installed equipment and factors affecting its productivity. Analysis of information obtained from the hybrid power plant under investigation.
статья, добавлен 30.04.2018Consideration by companies of power source options from the point of view of technical and economic efficiency of implementation options. Analysis of various niches of using solar and wind power plants as an alternative energy source for oil facilities.
статья, добавлен 06.12.2024