Relevant bibliographies by topics / Electric power production Victoria Mathematical models

Academic literature on the topic 'Electric power production Victoria Mathematical models'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Electric power production Victoria Mathematical models"

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Rakhmonov, I., N. Niyozov, and K. Li. "DEVELOPMENT OF CORRELATION AND REGRESSION MODELS OF ELECTRIC ENERGY INDICATORS OF THE EQUIPMENT WITH CONTINUOUS NATURE OF PRODUCTION." Technical science and innovation 2019, no. 4 (December 12, 2019): 203–8. http://dx.doi.org/10.51346/tstu-01.19.4.-77-0039.

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The article presents an analysis of the use of correlation-regression analysis, which is based on the methods of mathematical statistics and probability theory in the study of the power consumption of enterprises with equipment of continuous production. On the basis of the annual power consumption schedule of the electric steel-smelting shop in a monthly time section, mathematical models have been developed for the power consumption parameters. And also, on the basis of statistical data with the use of a mathematical method, mathematical expressions were obtained for the electric power consumption and the specific consumption for the main equipment of the electric steel-smelting shop. In order to assess the adequacy of the developed mathematical models, mathematical models of the total and specific consumption of their power consumption are compared with actual data. The comparison results show high reliability of the power consumption modes of the main equipment of the facility in question. The analysis of the values of forecast errors with low error rates determines the adequacy of the developed mathematical models of the parameters of power consumption in terms of power consumption and specific consumption for the main equipment of the electric steel-smelting shop. In this regard, they can be used to determine the predicted values of the parameters of power consumption in electric steelmaking equipment.
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Khakimov, H. T., Z. M. Shayumova, Z. Kh Kurbanbaeva, and B. M. Khusanov. "Development of optimal modes and mathematical models of energy performance of electric steelmaking production." E3S Web of Conferences 139 (2019): 01076. http://dx.doi.org/10.1051/e3sconf/201913901076.

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The article deals with the issues of determining the optimal modes of electric steelmaking production on the basis of analysis of the graph of changes in the average power and voltage of the arc furnace in one meltdown cycle. In addition, empirical equations for determining the flow rate and specific energy consumption during the operation of process equipment under normal conditions were obtained for the main equipment of the electric arc-furnace shop using the mathematical method.
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Afef Ben Othman, Ayoub El Ouni, and Mongi Besbes. "Review of the PV Electricity Production Estimate under the Effect of Climatic Disturbances and Sunspots by Using Deep-Learning Tools." Journal of Solar Energy Research Updates 7 (January 20, 2020): 85–99. http://dx.doi.org/10.31875/2410-2199.2020.07.8.

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The mathematical models used in the estimation of GHI on the Earth's surface are inconvenient because they always assume that the sky clarity index is constant. Hence, these models are often confronted with long-period empirical ground measurements that may exceeds 11 years. The impact of cloud cover on an electric power generation site is a very critical parameter for installing a solar power plant and evaluating its productivity. The state of knowledge about the sun influence, the greenhouse effect on climate change, and cloud occurrence can’t be described in a mathematical or numerical model.Therefore, in this paper, we propose the use of Deep-Learning techniques to predict any site’s productivity by analyzing its potential insolation. We also suggest the analysis of the ground and satellite- based measurements collected over 30 years. We propose the estimation of future climate change affecting cloud cover.
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Chaikovskaya, Eugene. "Development of smart grid technology to maintain the functioning of photoelectric charging stations." Eastern-European Journal of Enterprise Technologies 3, no. 8(111) (June 30, 2021): 14–24. http://dx.doi.org/10.15587/1729-4061.2021.235120.

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An integrated Smart Grid system has been developed for matching the production and consumption of electric power based on a prediction of changes in the battery capacity. Advanced decisions on the change in power transmission capacity have made it possible to regulate voltage in the distribution system by maintaining the power factor of the photoelectric charging station. Voltages at the input to the hybrid inverter and in the distribution system were measured to assess their ratio. Comprehensive mathematical and logical modeling of the photoelectric charging station was performed based on the mathematical substantiation of architecture and operation maintenance. A dynamic subsystem including such components as mains, a photoelectric module, a hybrid inverter, batteries, a two-way counter Smart Meter and a charger formed the basis of the proposed technological system. Time constants and coefficients of mathematical models of dynamics in terms of estimation of changes in the battery capacity and power factor of the photoelectric charging station were determined. A functional estimate of changes in the battery capacity and power factor of the photoelectric charging station was obtained. Maintenance of voltage in the distribution system was realized based on resulting operation data to estimate a change in the battery capacity. Advanced decision-making has made it possible to raise the power factor of the photoelectric charging station up to 40 % due to matching the electric power production and consumption. Maintenance of operation of the photoelectric charging station using the developed Smart Grid technology has enabled prevention of peak loading of the power system due to a 20 % reduction of power consumption from the network.
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Kornilov, Gennadiy, Andrey Shemetov, Valeriy Shokhin, Dmitriy Usatyy, and Maksim Lygin. "EXPERIENCE IN IMPLEMENTING ENERGY AND RESOURCE SAVING TECHNOLOGIES IN A ELECTRIC POWER SUPPLY SYSTEMS OF METALLURGICAL PRODUCTION." Bulletin of the South Ural State University series "Power Engineering" 22, no. 1 (March 2022): 12–20. http://dx.doi.org/10.14529/power220102.

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Abstract. The article considers a set of scientific approaches and technical measures aimed at improving the ef-ficiency of power supply to ferrous metallurgy enterprises, currently being designed by the scientific schools of the Nosov Magnitogorsk State Technical University together with PJSC “Magnitogorsk Iron and Steel Works”. The principles of the formation of mathematical models for energy consumption, the basics of their optimization, as well as practical issues of rationing and planning energy consumption and operational management of the energy economy are de-scribed herein. The study offers examples of the implementation of energy-saving measures at own factory power plants, as well as at such energy-intensive facilities as arc steelmaking furnaces and rolling mills. The experience of PJSC “Mag-nitogorsk Iron and Steel Works” with regard to the introduction of modern automation tools in the energy sector and pow-er supply systems within the framework of the promising development program “Industry 4.0” is presented.
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Lebedev, V., V. Tishchenko, and M. Brykov. "THE STUDY OF THE PECULIARITIES OF THE MECHANIZED ELECTRIC ARC CLADDING WITH PERIODIC VARIATION OF THE MODES OF THE PROCESS." Innovative Materials and Technologies in Metallurgy and Mechanical Engineering, no. 1 (June 28, 2022): 62–69. http://dx.doi.org/10.15588/1607-6885-2022-1-9.

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Purpose. Research of the influence of modulation of arc processes on characteristics of clad metal with revealing the dependences of chemical composition and geometrical dimensions of the clad metal on the modulation parameters, as well as the development of mathematical models of these dependences with the purpose of predicting the results of modulation to improve the quality of deposited layers. Methods of research. Well-known methods of surfacing metal research were used: spectral analysis of metal composition, metallographic analysis of the obtained samples of cross-sections of the cladding rolls. Special computerized programs were used to measure geometric dimensions of the roll. Methods of regression analysis were used in order to obtain generalized mathematical models of dependencies of chemical elements and geometrical dimensions on modulation parameters. Results. In the process of research with electric-arc cladding of electrode flux-cored self-shielded wire, generalized results of dependences of carbon, chromium and boron content, width, amplification and penetration of cross-sectional area on the frequency and modulation duty cycle of electric-arc process parameters were obtained. Method of mathematical description of modulation effect on chemical composition and shape of the weld bead was developed. Scientific novelty. It was suggested to carry out estimation of the results by applying mathematical models when carrying out the electric arc process with periodic change of power parameters of current surfacing due to controlling the electric drive of the electrode wire feeding mechanism and also with change of voltage when controlling the output voltage of the welding current source. Practical value. A set of studies concerning the effects of modulation of power parameters of the welding process using an original development of the modulator allows, based on relatively simple systems of automatic and mechanized equipmen makes it possible, to obtain a controlled process of influence on the characteristics of the fused metal with their improvement for the implementation in industrial production.
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Grabchak, E. P., E. L. Loginov, and V. U. Chinaliev. "Digital transformation of Russia’s thermal power industry management system for optimization of consumers’ expenditures determined by tariffs and prices." Safety and Reliability of Power Industry 13, no. 2 (July 31, 2020): 84–90. http://dx.doi.org/10.24223/1999-5555-2020-13-2-84-90.

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The development and implementation of a strategy for organizational reconfiguration of a digital heat and power super system to streamline the processes of providing structured technological zones with heat makes the basis for creating a coordinated system for optimizing the tariff and price load on heat and electricity consumers in the Russian economy. Providing the industry with a mechanism for regulating the processes of rendering heat energy services based on the transition to the system of Unified Heat-Supply Organizations (ETOs) and ensuring a return on price trend investment in the heat market with the possibility of transferring departmental reporting and analytics to a single regulatory legal basis enables regulating the operation of the power system as a subsystem of the Russian energy sector with a common information technology platform. It is proposed to develop a methodology for constructing mathematical estimates of reliability indicators of provided heat and power services in the form of analytical relationships and simulation models, taking into account the complex nature of the operation of electric power transmission and heat transportation networks as well as information systems that provide processing, storage and distribution of digital data and documents. The key activities are: development of a methodology for constructing mathematical estimates of reliability indicators of provided heat and power services in the form of analytical relationships and simulation models; development of digital methods for detecting hazardous effects; development of algorithms for storing information in the presence of natural and artificial interference; development of digital methods for optimization, modernization and transformation of production chains and processes, control models and planning procedures to neutralize threats to the reliability of provided heat and power services. The result should be the creation of a computer-based information system for modeling impacts on the electric and heat grid facilities.
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Palii, O. S., E. O. Lapkhanov, and D. S. Svorobin. "Model of distributed space power system motion control." Technical mechanics 2022, no. 4 (December 15, 2022): 35–50. http://dx.doi.org/10.15407/itm2022.04.035.

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The goal of this article is to develop a generalized mathematical model for controlling the motion of the spacecraft of a space industrial platform’s distributed power system. Space industrialization is one of the promising lines of industrial development in the world. The development of space industrial technologies will allow one to solve a number of problems in the production of unique products unavailable under terrestrial conditions. The main types of these products include semiconductor materials, materials made by 3D printing in microgravity, space modules of sunshade systems, space metallurgy products, space debris processing products, and high-purity space biology substances. Taking this into account, a certain amount of electricity is required for the manufacture of one or another product. Given that some space industrial processes can consume a significant amount of electricity, a space industrial platform's own power generation may not be sufficient. Because of this, it was proposed to use additional energy resources through the development of a distributed power supply system for a space industrial platform. A group of power spacecraft is envisaged to collect and accumulate electric energy and transmit it in a contactless way to the receivers of the space industrial platform. The article presents mathematical models for the analysis of the orbital, angular, and relative motion of power spacecraft and receiver spacecraft. Algorithms are proposed for calculating the parameters of the power spacecraft orientation and stabilization system. A generalized model is constructed for determining the maximum distance and time interval of power spacecraft to platform electric power transmission using microwave radiation. The model developed allows one to choose the power spacecraft design parameters at the stage of conceptual design of space industrial platform power systems.
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Lei, Derong, Xiaodong Huang, Hui Zhang, Mancang Yao, Ruixiang Chen, and Junrong Liu. "Optimization and Application of Reciprocating Direct-Drive Electric Submersible Plunger Pump Lifting System in the Xinjiang Oilfield." Open Chemical Engineering Journal 13, no. 1 (June 30, 2019): 68–80. http://dx.doi.org/10.2174/1874123101913010068.

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Background: A reciprocating direct-drive electric submersible plunger pump (RDD-ESPP) lifting system is an innovative rodless lifting method, which uses a downhole linear motor to directly drive the plunger pump to lift the fluid. This method effectively overcomes the problems encountered in a conventional sucker rod pumping system, such as severe eccentric wear between the sucker rod and the tubing, higher energy consumption and frequent pump maintenance. Objective: In this manuscript, the objective is to propose a methodology on optimizing the working parameters of RDD-ESPP lifting system and validate the theory with field case. Methods and Results: Mathematical models for the wellbore temperature distribution, lifting load, pump efficiency, system efficiency and tubing strength validation are established. A selection process for the optimal working parameters is proposed, and a parameter sensitivity analysis is implemented. The results show that pump efficiency is largely affected by gas and leakage, and there are reasonable pump submergence depths in oil wells for different produced gas-to-oil ratios. A field application test in a low-production well resulted in a 33.5% power savings rate and 41.6% improvement in the pump efficiency. Conclusion: RDD-ESPP lifting system has a promosing potential on power savings and consumption reduction compared with conventional sucker rod pumping system.
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10

Popławski, Tomasz, Sebastian Dudzik, Piotr Szeląg, and Janusz Baran. "A Case Study of a Virtual Power Plant (VPP) as a Data Acquisition Tool for PV Energy Forecasting." Energies 14, no. 19 (September 28, 2021): 6200. http://dx.doi.org/10.3390/en14196200.

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This article describes problems related to the operation of a virtual micro power plant at the Faculty of Electrical Engineering (FEE), Czestochowa University of Technology (CUT). In the era of dynamic development of renewable energy sources, it is necessary to create alternative electricity management systems for existing power systems, including power transmission and distribution systems. Virtual power plants (VPPs) are such an alternative. So far, there has been no unified standard for a VPP operation. The article presents components that make up the VPP at the FEE and describes their physical and logical structure. The presented solution is a combination of several units operating in the internal power grid of the FEE, i.e., wind turbines, energy storage (ES), photovoltaic panels (PV) and car charging stations. Their operation is coordinated by a common control system. One of the research goals described in the article is to optimize the operation of these components to minimize consumption of the electric energy from the external supply network. An analysis of data from the VPP management system was carried out to create mathematical models for prediction of the consumed power and the power produced by the PVs. These models allowed us to achieve the assumed objective. The article also presents the VPP data processing results in terms of detecting outliers and missing values. In addition to the issues discussed above, the authors also proposed to apply the Prophet model for short-term forecasting of the PV farm electricity production. It is a statistical model that has so far been used for social and business research. The authors implemented it effectively for technical analysis purposes. It was shown that the results of the PV energy production forecasting using the Prophet model are acceptable despite occurrences of missing data in the investigated time series.
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Dissertations / Theses on the topic "Electric power production Victoria Mathematical models"

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Sun, Yi, and 孙毅. "Path-dependent valuation of generators in the capacity, energy and carbon markets." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B45876332.

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刑衛國 and Weiguo Xing. "Evaluation and scheduling of private power production." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31242522.

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Uong, Hoang. "The application of the ordered list method and the dynamic programming to the unit commitment." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/3948.

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Books on the topic "Electric power production Victoria Mathematical models"

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Lindner, Ewald Hans. Models for the optimal control of storage power plants. Wien: VWGÖ, 1987.

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Hobbs, B. F. The next generation of electric power unit commitment models. Edited by ebrary Inc. New York: Kluwer Academic, 2002.

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Momoh, James A. Electric power system applications of optimization. 2nd ed. Boca Raton: Taylor & Francis, 2008.

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Electric power system applications of optimization. New York: Marcel Dekker, 2001.

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Valdma, Mati. Optimization of thermal power plants operation. Tallinn: TUT Press, 2009.

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Nepomni︠a︡shchiĭ, V. A. Ėkonomicheskie problemy povyshenii︠a︡ hadezhnosti ėlektrosnabzhenii︠a︡. Tashent: Izd-vo FAN Uzbekskoĭ SSR, 1985.

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Souza, Rubem Cesar Rodrigues. Planejamento do suprimento de energia elétrica em sistemas descentralizados na Amazônia incorporando incertezas. Manaus: Editora da Universidade do Amazonas, 1996.

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Xuemin, Zhang, Cao Ming, and SpringerLink (Online service), eds. Power Grid Complexity. Berlin, Heidelberg: Tsinghua University Press, Beijing and Springer-Verlag Berlin Heidelberg, 2011.

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Rand Environment, Energy, and Economic Development (Program), ed. Supplying biomass to power plants: A model of the costs of utilizing agricultural biomass in cofired power plants. Santa Monica: Rand Corporation, 2011.

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Hess, Ronald Wayne. An application of the pioneer plants study methodology to a first-of-a-kind MHD central station. Santa Monica, CA: Rand, 1987.

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Conference papers on the topic "Electric power production Victoria Mathematical models"

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Benelli, G., L. Carrai, S. Sigali, I. Brunetti, and L. Castellano. "Thermoacoustic Models for Evaluating the Sensitivity to Instabilities of Multi-Burner Annular Combustion Chambers." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-51246.

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The work described here has been developed in the context of the initiative TACE® (ThemoACoustic Enel Program) which has the aim to implement the use of mathematical models in the routinary control and diagnostics operations on GT systems for the production of electric power. The background of the models chosen to achieve that objective is the frequency domain approach. The engines of interest are of industrial size and have annular combustion chamber equipped with 24 premixed burners. The subject treated in this paper is the influence on the humming by interactions between undesired or, on the contrary, suitably conceived and designed differences in the actual working mode of each single burner. The underlying idea is that in such a type of machine the assembly of the burners behaves like a chorus line that has to be properly tuned.
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Crosa, Giampaolo, Maurizio Lubiano, and Angela Trucco. "Modelling of PV-Powered Water Electrolysers." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90906.

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In the near future the hydrogen production by means of advanced water electrolysers powered by renewable hybrid energy systems (Photovoltaic solar/wind) could help to resolve the electricity supply and environmental problems relating to the use of fossil fuels. In the light of this perspective the hydrogen represents an alternative energy carrier, helping to overcome all the problems related to the intermittent nature of solar and wind sources. A non linear dynamic simulator of a photovoltaic-hydrogen energy system has been realised, aiming to provide a useful instrument for the development of innovative strategies for plant control and plant operating guidance. The lumped parameter physical approach has been used, applying the fundamental conservation laws of mass, energy and momentum to every component of the plant. The water electrolyser model has been tailored on the characteristics of an advanced pressurised system, using a Casale Chemicals S.A. advanced cell bipolar design, with alkaline electrolyte (KOH solution), whose mathematical models was described by the authors in previous papers. A first version of this simulator has been improved by introducing a reliable thermal model, able to predict the solar panel temperature profile that affects the PV array performance; the panel model has been modified in order to reproduce precisely the I/V characteristics of any PV module, starting from its nominal data. Thanks to this model improvement, the simulator allowed to be used to maximise the PV power production, evaluating different control strategies: a Maximum Power Point Tracking (M.P.P.T) block has been then introduced in the model to optimise the generated power by the photovoltaic plant. The Joule losses due to the PV field internal wiring and to its feeding connection with the electrolyser have been also considered: it consents to separately compute the energy losses in the different PV-electrolyser coupling configurations, thus evaluating the best panel disposition in order to minimise the electric power dissipation. The simulator proved to be able to robustly predict the performance of the PV-electrolysis system for different configurations, operating conditions and control strategies. A steady-state analysis not appears in fact to be an adequate tool for these purposes.
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Goridko, Kirill Alexandrovich, Rinat Alfredovich Khabibullin, Vladimir Sergeevich Verbitsky, Arturas Rimo Shabonas, and Guzel Kazakbaeva. "New Methodology for Calculating the Impact of High Free Gas Content in the Flow on ESP Characteristics for the West Siberia Fields." In SPE Russian Petroleum Technology Conference. SPE, 2021. http://dx.doi.org/10.2118/206468-ms.

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Abstract One of the most common complications in the operation of wells with electric submersible pumps (ESP) is the presence of free gas in the produced well product. The work considers a model of ESP operation taking into account a large share of free gas in the flow obtained on the basis of bench tests and its applicability for analyzing the operation of real producing wells equipped with ESPs. Tests of ESP5-50 (118 radial stages) with model gas-liquid mixtures in a wide range of inlet gas volume-flow rate (0-60%), inlet pressure (0.6-2.1 MPa), shaft speed (2400-3600 rpm) with simultaneous pressure measurement along the pump length and direct measuring of power at the shaft by means of motor weights were performed at the oilfield development and operation department. Mathematical model is obtained by means of regression analysis of experimentally received characteristics of ESPs on gas liquid mixtures; a simple engineering method of calculating the degradation of ESPs characteristics by flow, head and power is suggested. The experience of building similar models described in the literature was taken into account. Experimental studies and creation of a mathematical model of ESP were carried out during Kirill Goridko's PhD thesis. As a result of the research we obtained the degradation dependencies of the pump's delivery and the head of ESP while pumping mixtures of different foam capacity, which simulate the pump operation in low and high watercut wells. The patterns of delivery and head coefficients depending on the zone (left, optimum, right) of ESP characteristic are revealed. The degradation of ESP power during pumping gas liquid mixture is clarified, which allows to calculate more accurately the specific energy consumption of well products lifting. The developed method of recalculation of the pressure and power characteristics of ESPs is implemented in the form of calculation modules designed for engineering calculations in oil production. The proposed tool has been tested on the data of the Western Siberia fields while analyzing the operation of wells with high gas content in the produced product. Calculation modules have been made publicly available. A new simple engineering method was developed to account for the degradation of the pressure and flow and power characteristics of ESPs for low- and medium-rate wells based on a large number of benchmark studies. Оbtained degradation dependences are programmed in the form of calculation modules, which allows to analyze the operation of a large number of wells on the basis of their technological mode, as well as to propose optimization measures to change the ESP operation at a higher level.
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