Evaluation of modern measuring devices power quality indicators
The measurement and analysis of the quality of electrical energy in electric grids. The characteristics of the main tools for measuring power quality, the requirements on the measurement of power quality. Instruments to measure the indicators of quality.
Подобные документы
Strength 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 23.07.2021Study of meso-level competition within the industry, which is a priority for national development. Providing households and enterprises with electricity as a critically important resource is a necessary condition for their uninterrupted functioning.
статья, добавлен 18.09.2024Nanofluids are liquids suspensions containing nanoparticles dispersed in a liquid. An investigation is for measurement of the freezing point and studying the supercooling point. The T-historic method based on the measurement of the point of inflexion.
статья, добавлен 17.04.2013Nikola 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 07.12.2014Consideration of the main indicators of reliability of complex unrestorable electropower systems. Development and characterization of specific of the features recurrent expression for the probability of failure for a given subject to availability.
статья, добавлен 22.03.2016Study 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 23.12.2016A 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 12.09.2024Analysis 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 30.07.2016The development of microbial fuel cells can solve this problem. MFCs are devices that generate the electrical energy from various biological objects. Energy effectiveness of different microbial sources is an essential step in the development of MFCs.
статья, добавлен 24.02.2024Dielectric 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 26.06.2016Investigation of the differential capacity of a vibrating Coriolis gyroscope to suppress an external shock. Evaluation of the pulse amplitude in the voltage caused by external mechanical impact Analysis of the output signals of two measuring channels.
статья, добавлен 22.12.2016The paper deals with analyses of the leading scientific directions to investigate the energy gap. The main goal is to analyze the tendency in the scientific literature on energy gap to identify the future research directions of the primary determinant.
статья, добавлен 30.11.2020Analysis 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 23.06.2013Characteristic variable capacitor structure. The definition of electronic control features. Issdelovanie circuit AC bridge. Determination of the resistance measuring bridge capacitors parameters. Consideration device universal scheme of the bridge.
реферат, добавлен 17.12.2015Description of the experimental data of the 4Не(y, pn)d reaction at the photon beam energy Еy:30-100 MeV, obtained by the streamer chamber method on a coherent beam of y-quanta. Measurement of the energy and angular correlation of reaction products.
статья, добавлен 22.12.2016The questions of synthesis and application of the mathematical model of a boost-type DC converter, which has found widespread application in modern electrical devices and complexes. Determining of the cause of the error in the intermittent mode.
статья, добавлен 13.10.2020In microwave systems of radio-location, communication and navigation the strictest requirements are placed on a powerful output amplifier and a low-noise input device. For the output amplifier the linearity must be combined with a high level of power.
статья, добавлен 04.11.2018Perspectives of Cyclotron Wave Converter (CWC) of microwaves into DC are discussed in a form of short review. All main parts of CWC (microwave cavity, reverse region and collector) are analyzed. Existing experimental results are briefly described.
статья, добавлен 04.11.2018The history of the effects of the first induction motor. Record status induction improvements and the development of three-phase asynchronous motors. The use of electric motors in modern technology. Features of the nature of induction machines.
реферат, добавлен 03.04.2014The energy potential of Ukraine under wartime conditions has been clarified. The work of scientists regarding the goals and strategies of the development of the energy system is analyzed. The main stages of the formation of energy security are outlined.
статья, добавлен 28.09.2023Development the constructive version of pump unit’s combined turbine drive. Use of wet non-separated steam as a working body. Twin-rotor combined turbine drive with a transmission for the nuclear power plant equipment emergency water supply system.
статья, добавлен 29.11.2016An analysis over of character of the isodenses of conical charge products, got by mathematical design. Consideration of character of intermediate initiator using in a downhole charge as the truncated cone at his location in the ground part of hole.
статья, добавлен 29.10.2020The main tendencies of innovation, investment activity in the development of alternative energy sources, the analysis of foreign experience of the countries of Europe, the United States of America, Asia. The structure of world energy consumption in oil.
статья, добавлен 19.02.2021Comments on current С37.118-2005 standard. Definition of Synchrophasor and Elaboration of Requirements, Сompliance certification. Relationships for calculation of possible dynamics of phase derivatives and calculation of errors of their measurement.
статья, добавлен 23.06.2013Analysis of carbon, which is the structure of the reactor and the factor of neutron scattering at energies up to 2 MeV. Its status in the energy range 1-60 KEV. Essay experimental data used to measure the neutron cross sections using the detector.
статья, добавлен 11.11.2013