Accidents on high voltage power lines
Causes 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.
Подобные документы
The factors influencing the use of artificial intelligence elements in power grid complexes. In intelligent networks, the tasks of risk assessment and management and coordination of interests of many subjects of the energy system come to the first place.
статья, добавлен 14.11.2020Detecting the travelling ionospheric disturbances over Kharkiv with periods of 40 – 80 min occurring in the time range. The modification frequencies by high power. The relative amplitudes of the travelling ionospheric disturbances in electron density.
статья, добавлен 30.10.2016Dielectric loss, which characterizes the conversion of electrical energy into thermal energy as electrical properties of dielectrics. Loss mechanisms and their contribution to the conductivity of the dielectric materials of ultra-high frequencies.
статья, добавлен 26.06.2016Characteristic features of lasers operating in continuous-wave or quasi-CW regimes generate a restricted output optical power, which is limited by a maximum available pump power. Analysis Raman spectrum measured for the graphene-deposited fibre ferrule.
статья, добавлен 29.01.2016The 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 19.02.2021Discusses 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 28.02.2016Photothermal effect of laser radiation on frozen biotissues. Тissue cryopreservation with using cooling, frizzing, laser heating. Тhe self-propagating high temperature synthesis. Using of nanoparticles high photo-thermal effect for laser of biotissues.
статья, добавлен 21.06.2018Analysis 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 22.03.2016Implementation of equal power divider using conventional 50 microstrip line and dumbbell shaped defected ground structures. Increased the line impedance of the microstrip line. Application dividers in microwave circuits and feeds of array antennas.
автореферат, добавлен 05.11.2018Analysis 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 30.07.2016Development of optimization method for wind power stations using integral assessment of the object and the method of dynamic programming. The stability of the system, the percentage capacity increase. To determine the optimal structure of a wind station.
статья, добавлен 27.09.2016The calculating of the elements of a picture of thermosphere circulation, direction of thermosphere wind over Kharkiv. The calculations of constituent part of vertical component of ionospheric plasma velocity caused by horizontal neutral winds were made.
статья, добавлен 30.10.2016The essence of the method of a round flat constant power probe used to determine the thermal characteristics of solids. Formulas for calculating thermal conductivity and thermal diffusivity. Measuring equipment, analysis of experimental results.
статья, добавлен 30.05.2021Study 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 08.02.2017Wind energy as a source of renewable energy. Consideration of safety issues related to the operation of wind power plants. Analysis of the fire extinguishing system of a wind turbine. Ensuring reliable operation of equipment and protection of personnel.
статья, добавлен 26.02.2025Study of electrical characteristics of organic diodes of metal phthalocyanine. Analysis of the role of the metal Cu, Al, Zn, Mg on electronic parameters. The substantiation of the nonideal behavior of the obtained values of n: 1.85, 2.22 and 4.40.
статья, добавлен 23.12.2016Electromagnetic disturbances at explosions of charges of condensed high explosives for the first time were found out by A.G.Ivanov in summer of 19381. In the subsequent years these effects were repeatedly investigated in many laboratories of the world.
статья, добавлен 04.11.2018Traditional energy in power systems, agriculture is not a sector with great investment potential. Intensive development of information technologies, smart grids, control theory and operations research. The base of upgrading of the rural power industry.
статья, добавлен 19.02.2019Phase transition for US gauge field is considered. A lower bound of the phase transition temperature by comparing of the average energy for the perturbative and nonperturbative regimes is estimated. In a scalar model of glueball its energy is calculated.
статья, добавлен 29.04.2017Main Objectives of the Project. Alternatives of future. Stages of the Project. Methods and Information Energy in everyday. Main Results of the Project. Dinamics of power engineering. Sectoral and National Critical Technologies for Priority Area.
презентация, добавлен 31.01.2015The coatings based on (Ti-Al-Zr-Nb-Y)N and (Ti-Zr-Hf-V-Nb-Ta)N were obtained by means of vacuumarc deposition from the cathodes in the atmosphere of nitrogen. Their physical and mechanical properties, tribotechnical characteristics have been studied.
статья, добавлен 30.07.2016The overall frame and principal steps of complex numerical modelling of thermal processes in power boiler furnaces on pulverised coal with tangential disposition of the burners. The methodology for creation of three-dimensional models of boiler furnaces.
статья, добавлен 02.02.2019Multilevel converter constructing and functioning principles. Method of current forming for contact microwelding equipment allows significant decreasing of cells and switches quantity, increasing of energy efficiency with high quality of welded joint.
статья, добавлен 02.02.2019Nikola Tesla as inventor in the field of electrical and radio engineering. Wireless power at a distance - the most mysterious inventions of a scientist. The influence of research on Tesla in the field of electromagnetism to the discovery of x-rays.
презентация, добавлен 07.12.2014Technological 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 22.12.2016