Revista Problemele Energeticii Regionale: Recent submissions

Now showing items 1-20 of 151

Energy-efficient technologies of plant raw material extraction

BURDO, O. G.; TERZIEV, S. G.; DIDUKH, G. V.; SIROTYUK, I. V.; MOLCHANOV, M. Yu.; ZAPOROZHETS, D. O. (Institutul de Energetica, 2026)

The aim of this work is to create the scientific foundations of microwave extractors implementing the effect of mechanodiffusion discovered by the authors, as well as visual, kinetic, and energy substantiation of the ...
Prevention of boiler cold end corrosion using water-fuel emulsions

DYMO, B. V.; KOLBASENKO, O. V.; ANASTASENKO, S. M. (Institutul de Energetica, 2026)

The objective of this study is to enhance the energy efficiency and environmental safety of boiler plants and engines equipped with waste heat recovery boilers. This objective is achieved by utilizing water-fuel emulsions ...
Two-mode fractal radiator with rotatable fin elements based on a modified Y-system

LYUBIMOV, P. V.; NOVOTELNOVA, A. V. (Institutul de Energetica, 2026)

This study is devoted to a dual-mode fractal radiator with a modified topology. Its key feature is the ability to alter end-wall orientation via gear engagement between wall-mounted gears and discrete positioning wheels. ...
Early fault detection of high-voltage bushings based on curve recognition methods

SHUTENKO, O.; ZAGAYNOVA, A.; SERDIUKOVA, H. (Institutul de Energetica, 2026)

The aim of this study is the early detection of developing insulation defects in high-voltage oil-filled bushings based on the analysis of the temporal behavior of diagnostic indicators rather than only their comparison ...
Minimizing electricity consumption by electric drives of the outdoor air and water supply units in a heat pump used for heating multistorey buildings

SIT, M. L.; JURAVLIOV, A. A.; TIRSU, M. S.; LUPU, M. L.; DAUD, V. S.; TIMCHENKO, D. V. (Institutul de Energetica, 2026)

This paper focuses on control systems for hybrid heat pumps that utilize the heat from return heating water and outdoor air, designed to operate in district heating systems based on central heating plants. The aim of the ...
Method for identification of structural parameters of electric power consumption of industrial enterprises based on phase space reconstruction

SHEVCHENKO, S.; BEDERAK, Ya.; KOZLOVSKYI, O. (Institutul de Energetica, 2026)

The main objectives of the study are to develop a new adaptive geometric method for realtime monitoring of industrial electricity consumption schedules to ensure timely detection of structural imbalances and minimization ...
Formation of temperature distribution in a regenerative heat exchanger during the initial cooling period of a cryogenic reduction unit of main natural gas

KRAVCHENKO, Yu. A.; BARANOV, A. Yu.; KRAVCHENKO, D. V.; LOGVINENKO, E. V.; BARANOV, V. A.; IKONNIKOVA, A. Yu.; PASHKOVA, E. A. (Institutul de Energetica, 2026)

This article examines the startup period of a natural gas pipeline cryogenic reduction unit (CRU) within a gas distribution station (GDS). The objective of the study is to determine the temperature distribution within a ...
Improving the energy efficiency of a shell-and-tube jet-injection fermenter for aerobic cultivation of microorganisms

LOGINOV, A. Yu.; NOVOSELOV, A. G.; FEDOROV, A. A.; BARANOV, I. V.; FEDOROV, A. V.; RUMIANTCEVA, O. N.; CHEBOTAR, A. B. (Institutul de Energetica, 2026)

The main objective of the study is to improve energy efficiency of a shell-and-tube jet injection fermenter (SJT) for aerobic cultivation of microorganisms. The relevance of the work is determined by the biotechnology ...
Impact of gas internal subflows in a turboexpander unit operating on an expander-compressor scheme on its power balance

PETROPAVLOV, V. E.; VORONTSOV, M. A.; KILDIYAROV, S. S.; RUD, V. N.; GRACHEV, A. S.; POLYATSKY, V. V.; MARINYAK, A. I. (Institutul de Energetica, 2026)

This article presents operational data from turboexpander units (TEU) wherein a stable temperature gradient across both the turboexpander and the turbo compressor coexists with its power imbalance. A hypothesis attributing ...
Improving steganosystem efficiency as an integral part of ensuring the routine operation of energy infrastructure facilities

BOBOK, I. I.; HRYHORENKO, S. M.; KOBOZIEVA, A. A.; YAVORSKA, K. L. (Institutul de Energetica, 2026)

Steganography currently holds a vital position in information security, reflecting its growing importance within the energy industry. Steganographic methods are employed to ensure data integrity and authentication in Smart ...
Exergy-based energy efficiency analysis of the pneumatic drive with controlled braking and compressed air recuperation

ROGOVYI, А.; STRIZHAK, M. (Institutul de Energetica, 2026)

The main objectives of the study are to develop a methodology for calculating the energy efficiency of a pneumatic drive with controlled braking and compressed air recuperation based on a three-dimensional CFD model, as ...
Desulfurization of flue gases from medium-capacity gas-piston power plants using spiral-vortex equipment with reduced aerodynamic resistance

HABIBOV, I. A.; LUZHANSKI, A. Y.; ABASOVA, S. M. (Institutul de Energetica, 2026)

The purpose of this study is to justify the design parameters of spiral-vortex equipment ensuring energy-efficient desulfurization of flue gases from autonomous medium-capacity gas-piston power plants (GPPPs). The study ...
Theoretical and experimental foundations for the development of an electric power generation unit with a solid-state heat engine based on a Ni-Ti-Cu alloy for the utilization of low-grade thermal energy

KOZYRSKYI, V.; BUNKO, V.; KACHURIVSKA, H. (Institutul de Energetica, 2026)

The main objectives of the study are to develop a generalized thermo-electromechanical model of a solid-state heat engine based on a Ni-Ti-Cu shape memory alloy for converting low-grade thermal energy (30-100 °C) into ...
Energy-efficient regimes for aerodynamic tube dehydration of agro-industrial technologies residual products

POPESCU, V. S.; MELENCHIUC, M. G.; BALAN, T. V.; FIODOROV, O. S.; POSTICA, V. S.; KURDOV, I. S. (Institutul de Energetica, 2026)

The purpose of this work is to determine energy-efficient regimes for aerodynamic tube dehydration of residual products from agro-industrial technologies. To achieve this goal, an experimental electrical installation was ...
PV power optimization with dual winding step-up converter and Woodpecker mating algorithm based cascaded ANN MPPT

AMAR, K. T.; GOWTHAMI, K.; SRIDHAR, Madireddy; MOHAN, S. D. R. M.; MANIKANTH, L. (Institutul de Energetica, 2026)

The main objectives of this study are to enhance the power extraction of photovoltaic (PV) systems under rapidly changing ecological circumstances using Maximum Power Point Tracking (MPPT) and to improve the power quality ...
Performance and emission optimization of a CI engine fueled with Juliflora biodiesel using response surface methodology

GANGOLU, N. R.; IVATURI, S. P. S.; PACHIMALA, S. G. P.; YEDURU, J. S. K.; MADAPATI, S. L.; SYED, K. (Institutul de Energetica, 2026)

The objectives of the current study are to assess the performance and emission characteristics of a diesel engine running on Juliflora biodiesel-based blends at varying levels of brake power. These objectives were achieved ...
Research on an energy-efficient electric starting system for an autonomous power plant with a combined power source

MASLOV, I.; KULAGIN, D. (Institutul de Energetica, 2026)

The primary objective of this comprehensive study involves the theoretical formulation and scientific substantiation of a robust methodology for developing high-efficiency, energy-saving electric starter systems for transport ...
Hybrid chaotic attractor recurrent network transnet architecture for accurate state of charge estimation of Li-Ion batteries in EV application

KUMARI, Ch. Leela; KISHORE, D. Ravi; KALYAN, M Pavan; SHANKAR, K Bhavani; KRISHNA, K Sai (Institutul de Energetica, 2026)

Main objectives of thestudy are to design and validate a novel state of charge (SoC) estimation framework for Lithium-Ion Batteries (LIBs) in Electric Vehicle (EV) Energy Storage Systems (ESSs), integrating the chaotic ...
Estimation of parameters of a three-phase induction motor based on experimental data and modeling results based on SINDYc

SPODOBA, M. O.; SPODOBA, О. O.; KOVALCHUK, S. I. (Institutul de Energetica, 2026)

The aim of the work is to study the dynamic behavior of induction motors and estimate key electromechanical parameters using the SINDYc method in conditions where only the results of no-load and short-circuit tests and a ...
Prospective options for the Republic of Moldova power system transport network development in conditions of parallel operation with ENTSO -E

ZAITSEV, D.; GOLUB, I.; TIRSU, M.; CALOSHIN, D.; FORTUNA, X. (Institutul de Energetica, 2026)

The work objective is to determine the optimal topology and strategic development directions for interstate and power system transport networks capable of ensuring electricity supply diversification, increasing the country's ...

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