Revista Problemele Energeticii Regionale: Recent submissions

Now showing items 1-20 of 183

Optimization of operational performance indicators of a power plant with a gas-liquid fuel supply system. Part I

LYSENKO, R. D.; RYABOSHAPKA, V. B. (Institutul de Energetica, 2026)

The main objectives of this study were to determine the maximum replacement of conventional diesel fuel with liquefied petroleum gas in a production diesel engine operating in dual-fuel mode, with diesel providing pilot ...
Optimum melting temperature and latent-heat contribution of a PCM layer in multilayer walls for mediterranean, semi-arid and hot desert climates

BELKACEM, N.; MISSOUM, M.; BENCHAMMA, S. (Institutul de Energetica, 2026)

The main objectives of the paper are to determine, for three climatic zones (Mediterranean coast, semi-arid High Plateau and hot desert), the optimum melting temperature of a PCM layer in a wall for each position and ...
Development of a method for formulating a decision function in automated navigation control systems under energy resource constraints

SOTNIKOV, A. М.; TIURINA, V. Yu.; LUKYANOVA, V. A.; PETROV, K. E.; KOBZEV, I. V.; BESPALKO, O. V. (Institutul de Energetica, 2026)

This article develops a robust method for formulating a decision function in automatic optoelectronic navigation systems to ensure operational accuracy and stability under highly distorted current images. This is achieved ...
Numerical investigation of in-cylinder cold flow characteristics using dynamic mesh in a compression ignition engine

BAMBHANIA, M. P.; JANI, D. M.; JANI, D. S. (Institutul de Energetica, 2026)

The main objectives of the study are to characterize the transient cold flow structures in the cylinder of a compression ignition engine, to quantify how piston motion changes these structures relative to a fixed geometry, ...
Research into the influence of the laws of changing the stator supply frequency on the electromechanical processes of an asynchronous motor during controlled starting

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

The aim of the work is to obtain graphical dependences of the electromechanical response of an asynchronous motor during controlled start-up using frequency control, to analyze the influence of the laws of changing the ...
Improving the efficiency of the ammonia–hydrogen power plant for an autonomous refrigerated railway car

KIM, K. K.; MONASTYRSKY, D. Ya. (Institutul de Energetica, 2026)

The objective of the study was to determine the feasibility of improving the energy efficiency and environmental performance of autonomous refrigerated transport by replacing the conventional diesel–generator set with an ...
Development and simulation of operating modes of a hybrid PV-T system for integrated energy supply of urban residential buildings

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

The aim of this work is to assess the technical and economic efficiency of using hybrid photovoltaic-thermal (PV-T) panels in the energy supply system of an urban residential complex in the Republic of Moldova, to improve ...
Development of a control system for the Tennessee Eastman Control Problem that eliminates excessive variability in control actions

STOPAKEVYCH, A. О.; STOPAKEVYCH, О. A. (Institutul de Energetica, 2026)

The Tennessee-Eastman Process (TEP) model has served as a globally recognized standard for evaluating advanced control methods for unstable technological processes for over 20 years. Research data published in leading ...
Asynchronous sensor systems as the next generation of urban monitoring systems for resource consumption, air pollution, and meteorological parameters

TIRSU, M. S.; SURNOV, G. S.; SURNOV, S. I.; BYCHKOVSKIY, I. A.; ZORIN, I. V.; SURNOV, S. G. (Institutul de Energetica, 2026)

The aim of this study is to examine the feasibility of establishing urban monitoring systems to support the energy transition. To achieve this aim, the following tasks were addressed: analyzing the limitations of traditional ...
Integration of ORC turbines and thermal energy storage systems to cover peak electricity demand during the summer period in distributed energy supply systems

BYK, F. L.; MYSHKINA, L. S.; NASIBOVA, E. M. (Institutul de Energetica, 2026)

The main objective of this study is to assess the effectiveness of Organic Rankine Cycle (ORC) turbines for recovering surplus thermal energy from cogeneration units during the non-heating season. To achieve this objective, ...
Optimal coordination of directional overcurrent relays using a modified Red Deer algorithm

ALMAJALI, Ziyad; Al-MBAIDEEN, Amneh; Al-ADAILEH, Fras (Institutul de Energetica, 2026)

Main objectives of the study have been formulated as the creation of the modified Red Deer Algorithm for optimal coordination of directional overcurrent relays in closed loop power systems, taking into account their total ...
An uncertainty-aware measurement and verification framework for building energy savings using cross-validated regression and symbolic regression via genetic programming

HAZEM HASSAN ALI, Sayed (Institutul de Energetica, 2026)

Quantifying energy savings from building retrofits is complicated by uncertainty in baseline model form, since agreement between two conventionally linear tools may simply reflect a shared assumption rather than genuine ...
Connecting single-phase renewable energy sources to a 0.4 kV three-phase line while complying with standardized limits on unbalance factors

BOSNEAGA, V.; SUSLOV, V. (Institutul de Energetica, 2026)

The objective of this study is to develop the methodology and use it to investigate the feasibility of connecting single-phase renewable energy sources to a single 0.4 kV three-phase line while adhering to standardized ...
Influence of the physicochemical properties of granulated biofuel on three-dimensional hydrodynamics, heat transfer, and nitrogen oxide formation in small-and medium-capacity hot-water boilers

RACHYNSKYI, A. Yu.; BARANYUK, O. Yu.; TYKHOKHOD, V. A.; TKACHENKO, S. S.; PIKENIN, O. A. (Institutul de Energetica, 2026)

The aim of the study is to establish three-dimensional patterns of aerodynamics, heat and mass transfer, particle burnout kinetics, and CO and NOx emissions in the furnace volumes of 25 and 50 kW hot-water boilers firing ...
Experimental investigation of ethanol–nanoparticle blended gasoline on performance and emission characteristics of a spark-ignition engine

GUNDALA, S. P.; SHAIK, F.; DOMAKONDA, V. K. (Institutul de Energetica, 2026)

The main objective of this study was to evaluate how ethanol concentration and aluminiumoxide nanoparticle addition influenced the performance and exhaust emissions of a spark-ignition engine. These objectives were achieved ...
Diagnostics and forecasting of photovoltaic module degradation: Analysis of problems and research directions

KARPENKO, O.; ZASLAVSKIY, A.; SOSNIN, K. (Institutul de Energetica, 2026)

The purpose of this paper is to systematize the current state of research on photovoltaic (PV) module degradation, analyseexisting methods for its diagnosis and forecasting, and identify unresolved problems relevant to ...
Development and operational optimization of green hydrogen-based integrated energy complexes

BALAJI, L.; BALU, P.; ANBAZHAGHAN, N.; SENTHIL KUMAR, M. (Institutul de Energetica, 2026)

The main objectives of this study were to develop and optimize a green hydrogen-based integrated energy complexfor enhancing renewable energy utilization, reducing operating costs, and minimizing carbon emissions while ...
Computer vision capabilities for detecting and classifying solar panel faults

MOHAMMED, N. S.; UONIS, M. M.; ALSAIF, O. I. (Institutul de Energetica, 2026)

The main objectives of this research are to fill a gap in PV inspection systems, which consist of convolutional detectors with a limited amount of global context or transformer classifiers with weak localization. Defects ...
Evaluation of operating modes for central heating stations using neural network and ensemble machine learning methods

DVORTSEVOY, A. I.; BORUSH, O. V.; YAKOVINA, I. N.; BOYKO, E. E.; VINDEMUT, D. Y.; YANKOV, P. A. (Institutul de Energetica, 2026)

The main objective of this study is to develop a method for assessing the operating modes of central heating stations (CHS) based on forecasting the thermal power and analyzing the deviations of actual parameters from the ...
Particularities of thermal regimes and emission characteristics of hot water boilers operating on heterogeneous fuel pellets

RACHYNSKYI, A. Yu.; CHERNOUSENKO, O. Yu.; BARANIUK, O. V.; ONYSKO, A. I.; TKACHENKO, S. S. (Institutul de Energetica, 2026)

The aim of this study is to provide a scientific substantiation of the mechanisms of thermochemical conversion of wood pellets and low-grade agrobiomass in the furnace chambers of municipal boilers using multiparameter CFD ...

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