• Universal continuous model of active power factor correctors 

  AMELINA, M.; AMELIN, S.; YAKIMENKO, I. (Institutul de Energetică, 2024)

  The purpose of the work is to develop continuous mathematical models of power factor correctors for switch-mode power supplies. The models are designed to solve optimization problems aimed at increasing the energy efficiency ...
• Synthesis of the spatial arrangement of magnetic field sensors for active magnetic field shielding systems of overhead power lines 

  KUZNETSOV, B.I.; NIKITINA, T.B.; BOVDUI, I.V.; VOLOSHKO, O.V.; KOLOMIETS, V.V.; KOBYLIANSKYI, B.B. (Institutul de Energetică, 2024)

  The purpose of the work is to develop a synthesis method for the spatial and angular arrangement of magnetic field sensors in order to ensure maximum efficiency of a robust system for active shielding of the magnetic field ...
• Optimization of Mixed Fluid Cascade natural gas liquefaction plant feed stream pressure 

  IKONNIKOVA, A.YU.; BARANOV, A.YU.; KRAVCHENKO, D.V.; SEREDENKO, E.S. (Institutul de Energetică, 2024)

  This paper presents the results of a study on optimising the feed stream pressure of the Mixed Fluid Cascade natural gas liquefaction cycle. The objective is to optimise the pressure of the feed stream to distribute heat ...
• Improved clamped z-source converter with optimized maximum power point tracker for hybrid renewable energy systems based energy management system 

  SARANYA, M.; GIFTSON, S.G. (Institutul de Energetică, 2024)

  In light of the intermittent and seasonal nature of wind and solar energy, electrical systems are becoming more problematic to operate. The purpose of the work is to establish an energy storage system that helps to minimize ...
• Energy efficiency of the extrusion process and its effect on output of biogas during the fermentation of maize and rape straw 

  ZABLODSKIY, M.; KLENDIY, P.; DUDAR, O. (Institutul de Energetică, 2024)

  The purpose of the research is determining the influence of pre-treatment by extrusion of rape and maize straw on the output of biogas and the energy efficient mode of the extrusion process. The set goal is achieved by ...
• Effect of motor shaft eccentricity on the performance of a high-speed magnetic fluid sealer 

  NESTEROV, S.A.; BAKLANOV, V.D. (Institutul de Energetică, 2024)

  The objective of the study is to develop recommendations for accounting during the design stage and the feasibility of operating a magnetic fluid seal with a significant eccentricity of the rotating shaft relative to ...
• Capacitive sensor for monitoring the condition of suspended high-voltage insulation 

  ANDREENKOV, E.S.; SHUNAEV, S.A. (Institutul de Energetică, 2024)

  The purpose of the work is to develop the design of a sensor for monitoring the condition of high-voltage power lines suspended insulation. To achieve this goal, a diagnostic criterion was selected, the operating principle ...
• Calculation of magnetic losses with non-uniform distribution of magnetic induction in the stator tooth of a switched reluctance motor 

  MAZURENKO, L.I.; POPOVYCH, О.М.; GOLOVAN, I.V.; SHYKHNENKO, M.O. (Institutul de Energetică, 2024)

  The aim of this study is to investigate and determine the effect of accounting for the nonuniform distribution of magnetic induction (by detailing the stator tooth model) on the calculation results of magnetic losses in ...
• Application of a three-stage procedure for extracting a small-sized anchor object on a noisy image 

  SOTNIKOV, O.M.; VOROBIOV, O.M.; UDOVENKO, S.G.; KOBZEV, I.V.; VLASIUK, V.V.; KURBATOV, A.A. (Institutul de Energetică, 2024)

  The purpose of the article is to develop a three-stage procedure for identifying an anchor object in a noisy current image. This goal is achieved by determining the sampling threshold levels at which the greatest similarity ...
• Address energy delivery technologies based on the hybrid electrodynamic processes 

  BURDO, O.G.; TERZIEV, S.G.; SIROTYUK, I.V.; MOLCHANOV, M.YU. (Institutul de Energetică, 2024)

  An effective tool has been identified for transferring technologies for processing food raw materials onto the rails of the nano-eco-industry — these are hybrid processes in electrodynamic devices. The aim of the work is ...
• Absorption chiller efficiency increasing at waste heat recovery of cogeneration plants using a vapor compression chiller as a backup cold source 

  KORNILEV, A.N.; BARANENKO, A.V.; MALININA, O.S. (Institutul de Energetică, 2024)

  Cooling efficiency in a trigeneration cycles is one of the most frequently problems. A singlestage hot water absorption chiller is a universal solution for the gas engine waste heat utilization. However, trigeneration ...
• 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 ...

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