Revista Problemele Energeticii Regionale: Recent submissions

Now showing items 1-20 of 30

Thermal analysis of combustible components of municipal solid waste

SNEZHKIN, YU.F.; MYKHAILYK, V.A.; KORINCHEVSKA, T.V. (Institutul de Energetica, 2024)

The use of municipal solid waste as a raw material for alternative fuel is a promising direction for waste recycling and substitution of solid fossil fuels. Therefore, selecting of fuel composition and studying of its ...
Study of start-up and shutdown modes of an asynchronous electric drive for a centrifugal pump

BOIKO, A.; NAIDENKO, E.; BESARAB, O.; MAEVSKAYA, E. (Institutul de Energetica, 2024)

The aim of this study is to investigate the commutation processes of an asynchronous shortcircuited electric drive for a centrifugal pump. The set goal is achieved by solving two tasks: analyzing the dynamic modes of ...
Study of special unbalanced load modes of new double-autotransformer of the flexible alternating current link

BOSNEAGA, V.; SUSLOV, V. (Institutul de Energetica, 2024)

The purpose of the work is study of special asymmetric modes of new three-phase autotransformer device for flexible connection of alternative current power systems. The universal model was developed for the device, containing ...
Small-scale power plants based on organic rankine cycle (ORC) using low-boiling fluorocarbon working fluids when operating at high initial cycle conditions

GRANCHENKO, P.P.; SUKHIKH, A.A.; KUZNETSOV, K.I.; MEREUCA, E.V. (Institutul de Energetica, 2024)

The purpose of the work is to develop and analyze the operation of a thermal circuit based on the organic Rankine cycle (ORC) using low-boiling working substances of the fluorocarbon class when operating at high initial ...
Selection of asynchronized turbogenerators parameters taking into account the operating mode

SHEVCHENKO, V.V.; DUNIEV, O.О.; POTOTSKYI, D.V. (Institutul de Energetica, 2024)

The purpose of the work is to develop an algorithm for calculating currents in the asynchronized turbogenerator rotor windings when it operates at a power system with a variable load. Typically, synchronous turbogenerators ...
Modeling of the process of functioning of the digester of a biogas plant during methane fermentation of сow manure

POLISHCHUK, V.; SHVOROV, S.; ITOVA, L.; ZUBOK, T.; YEVTUSHENKO, V.; DVORNYK, YE.; VALIEV, T. (Institutul de Energetica, 2024)

Ensuring high and stable biogas output during digester operation is ensured by regulating and monitoring values of control parameters. The purpose of article is to develop model of process of functioning of digester during ...
Automatic re-tuning of poor-performing PI-based control systems

STOPAKEVYCH, A.О.; STOPAKEVYCH, О.A.; TIGAREV, A.M.; VOROBIOVA, О.M. (Institutul de Energetica, 2024)

The goal of the work is to create a new method for automatic re-tuning of PI controllers. It is achieved by solving the following problems. The first problem is to develop a method to identify a FOPDT estimation model by ...
Perfection of an energy-economic and environmental parameters of the ground source heat pump systems with preventing freezing of the soil around ground pipes

DENYSOVA, A.E.; IVANOV, P.O.; MAZURENKO, A.S.; ZHAIVORON, O.S. (Institutul de Energetica, 2024)

This article is devoted to the methods for perfection of energy, economic factors, environmental factors and work modes of the ground source heat pump systems with the account of climate conditions. The purpose of the work ...
Modeling and experimental study of the inrush current of a high-temperature superconducting transformer

MANUSOV, V.Z.; IVANOV, D.M.; IVANOVA, E.V. (Institutul de Energetica, 2024)

Inrush current in high-temperature superconducting (HTS) transformers is a little-studied phenomenon. After connecting to the power grid, a current flow through the windings which exceeding the critical current value of ...
Methods, techniques, and algorithms of synchronous multi-zone modulation of signals of voltage source inverters (literature review)

OLESCHUK, V.; TIRSU, M. (Institutul de Energetica, 2024)

This publication provides a brief overview of the results of research work in the field of developing alternative methods, schemes, and algorithms of synchronous multi-zone modulation of signals of inverters of power ...
Increasing the efficiency of blind decoding of the steganographic method with code control of additional information embedding

SOKOLOV, A.V.; IHNATENKO, O.O.; BALANDINA, N.M. (Institutul de Energetica, 2024)

Modern energy systems are often used as a medium for information transmission, including confidential information, which makes relevant the task of ensuring its security, which today is solved using not only cryptographic ...
Hybrid active and passive cable contour shielding of magnetic fields of double-circuit overhead power lines

KUZNETSOV, B.I.; KUTSENKO, A.S.; NIKITINA, T.B.; BOVDUI, I.V.; CHUNIKHIN, K.V.; VOLOSHKO, O.V. (Institutul de Energetica, 2024)

The purpose of the work is to design a hybrid screen designed to reduce the level of the magnetic field generated by double-circuit overhead power lines, to increase the efficiency of shielding the original magnetic field ...
Energy-efficient dehydration regimes for agricultural products with the application of suspension heat treatment

POPESCU, V.S.; TSISLINSCAIA, N.I.; MELENCHIUC, M.G.; BALAN, T.V.; VISHANU, I.V.; GYDEI, I.P. (Institutul de Energetica, 2024)

The aim of this study is to determine the energy-efficient dehydration regimes for agricultural products based on suspension heat treatment method. In order to achieve this goal, an electrical plant was designed, developed, ...
Control of carbon dioxide bivalent heat pump on heating of buildings

SIT, M.L.; JURAVLEOV, A.A.; FRID, S.E.; TIMCHENKO, D.V. (Institutul de Energetica, 2024)

The scheme of a bivalent heat pump (BHP) is considered, using both the heat of the water from the return network and the heat of the outside air as low-potential heat sources (LPH). The aim of the work is to create a BHP ...
Application of object contrast for forming images used in technical vision systems for navigation of mobile robots

TYMOCHKO, O.; BOICHENKO, О.; ZAKIROV, S.; HOLOVNIAK, D.; DMITRIIEV, O.; PADALKA, I. (Institutul de Energetica, 2024)

The purpose of the article is to substantiate the feasibility of using object contrast as an informative feature for the formation of images used in technical vision systems. This goal is achieved by studying the dependence ...
Development of the theoretical approach based on matrix theory for analyzing the state of information security systems

BOBOK, I.I; KOBOZEVA, A.A. (Institutul de Energetica, 2024)

The widespread introduction of information technologies into all spheres of society, the creation of a significant amount of confidential and critical data in digital form leads to an increase in the priority of information ...
Selection of the binding object on the current image formed by the technical vision system using structural and geometric features

SOTNIKOV, O.; SIVAK, V.; PAVLOV, YA.; НASHENKO, S.; BORYSENKO, T.; TORIANYK, D. (Institutul de Energetica, 2024)

The purpose of the article is to substantiate the possibility of selecting objects in the image generated by the technical vision system of an unmanned aerial vehicle by using structural and geometric features. This goal ...
The influence of burning ratios based on coal characteristics on its combustion in the boiler furnace

CHERNOV, S.L.; PROKHOROV, V.B.; APAROV, V.D.; FOMENKO, M.V. (Institutul de Energetica, 2024)

The need of switch to burn non-design fuel arises during the thermal power plants long-term operation. The choice of replacing coal is quite complicated and currently being solved by various nondesign fuels experimental ...
Energy-efficient fruit dehydration regimes in modified atmosphere

POPESCU, V.S.; TSISLINSCAIA, N.I.; VISHANU, I.V.; MELENCHIUC, M.G.; BALAN, M.M.; VISHANU, V.V. (Institutul de Energetica, 2024)

The aim of this work is to establish energy-efficient fruit dehydration regimes in a modified atmosphere. To achieve the goal, an experimental electrical installation was developed, which applies in the technological process ...
Formation of energy supply systems for special economic zones

BYK, F.L.; IVANOVA, E.M.; MYSHKINA, L.S. (Institutul de Energetica, 2024)

The purpose of the article is to develop the principle of forming integrated energy supply systems that consider the relationship between the production, transmission and consumption of thermal and electrical energy, as ...

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