Browsing Энергетика. Известия высших учебных заведений и энергетических объединений СНГ by Title
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A Detection System with Spider Web Coil-Based Wireless Charging and an Active Battery Management System
(БНТУ, 2021)The article presents a detection system with spider web coil-based wireless charging. Commonly available metal detectors are sold as handheld systems, which enable only progressive, lengthy, time-consuming search. Importantly, a part of the investigated area can thus be easily missed, and the probability that a metal object will not be found increases substantially. This problem, ...2021-06-16 -
An Adaptive Maximum Power Output Sustaining System for a Photovoltaic Power Plant Based on a Robust Predictive Control Approach
(БНТУ, 2020)Photovoltaic power plants have non-linear voltage-current characteristic, with specific maximum power point, which depends on operating conditions, viz. irradiation and temperature. In targeting the maximum power, it is by far known that the photovoltaic arrays have to operate at the maximum power point despite unpredicted weather changes. For this reason the controllers of all ...2020-10-07 -
An Approach to Data Processing for the Smart District Heating System
(БНТУ, 2022)The article deals with the district heating systems transition to intelligent systems by developing a united information system and obtaining a high level of controllability of the en-tire system. During the implementation of automated control systems of district heating, a number of information tasks of the lower level are being introduced, including the data collection for ...2022-06-10 -
Calculation of Heat Exchange on the Surface of a Flexible Heat Exchanger for Use in Mobile Hospitals
(БНТУ, 2020)Currently, the world is characterized by quite a large number of military conflicts, manmade disasters and natural disasters. Every year, about 50 thousand people die from various natural disasters in the world. The report of the UNISDR notes that natural disasters that occurred in the world between 1998 and 2017 led to the death of 1.3 million people (more than half of them – ...2020-02-05 -
Comparative Analysis of Measures and Technical Means for Suppressing the Aperiodic Current Component in Circuit Breaker
(БНТУ, 2021)Electromagnetic transients are considered in the implementation of three-phase automatic reclose on the transmission line of extra high voltage 750 kV. The influence of automatic shunting of phases and pre-insertion active resistance for limiting the characteristics of the aperiodic component of the current, which obstructs the transition of full current through zero, is evaluated. ...2021-07-21 -
Compare of Transient Quality in Automatic Control Systems with Classic PID Algorithm and Optimal Regulator
(БНТУ, 2019)Currently, about 90–95% of generic controllers use the PID algorithm to generate control actions, while 64% of the PID controllers are used in single-circuit automatic control systems. Most of industries (power industry among them) use hundreds of automatic control systems. The quality of their work is the basis of economic efficiency of technical processes, ensuring safety, ...2019-04-03 -
Current Transformer Saturation Detection Method Based on Artificial Neural Network
(БНТУ, 2023)When current transformer is saturated, mainly due to the presence of an exponentially decaying DC component in the fault current, its secondary current has a distinctive distorted waveform which significantly differs from its primary (true) waveform. It leads to an underestimation of the secondary current value calculated by the relay protection compared to its true value. Thus, ...2023-06-08 -
Ecological and economic efficiency of traditional and alternative methods of electrical energy production with the features of The Islamic Republic of Iran
(БНТУ, 2018)The problems of energy, environment protection and ecology play a major role in the development of economy strategy in any country. Most of the traditional power stations operating on organic fuels have a negative impact on the environment. Furthermore, there is a depletion of natural resources due to human activities. One of the ways to solve the problem of environmentally ...2018-01-24 -
Effect of the Fill Ventilation Window on Performance of a Natural Draft Cooling Tower Subjected to Cross-Winds
(БНТУ, 2016)Для улучшения тепловой работы башенных испарительных градирен, особенно в условиях ветровых нагрузок, могут использоваться разнообразные аэродинамические элементы и конструктивные решения (дефлекторы, ветроперегородки и т. п.). Одним из предложений, впервые сформулированных сотрудниками Национальной академии наук Беларуси, было сооружение центрального вентиляционного отверстия в ...2016-09-29 -
Efficiency Estimation of Constructing of Wind Power Plant for the Heat Supply Needs
(БНТУ, 2022)As in the whole world, there are regions in Russia that experience heat supply difficulties, mainly due to the high cost of fossil fuel as well as to growth of energy resources cost and polluting emissions. In this regard, search for solutions which would provide energy saving with an increase of energy, commercial and ecological efficiency of modern heat supply systems is becoming ...2022-08-04 -
Features of the Behavior of a Plane Axisymmetric Magnetic Fluid Drop in a Nonmagnetic Solvent and a Uniform Magnetic Field
(БНТУ, 2022)The work is devoted to an experimental study of the process of dissolution of a magnetic fluid in a nonmagnetic solvent under the action of a uniform magnetic field. It is experimentally established that in a volume of magnetic fluid surrounded by a miscible solvent fluid, under the action of a uniform magnetic field, a mechanical movement arises, triggering deformation of this ...2022-12-08 -
Formation Mechanisms and Methods for Calculating Pollutant Emissions from Natural Gas Combustion Depending on the Burner Emission Class
(БНТУ, 2019)The combustion of hydrocarbon fuels in the chambers of heat generating plants is one of the main sources of pollutant emissions. Environmental standards and rules that limit emissions are becoming more stringent and their implementation requires the introduction of advanced technologies and equipment. The main device in combustion systems are blow burners, the design of which ...2019-11-29 -
Heat Resistance and Heat-and-Mass Transfer in Road Pavements
(БНТУ, 2019)The paper presents a fragment of ongoing investigations directed on creation of optimal information environment that ensures an access to the R&D publications from the known scientific journals and other scientific serials which are necessary for qualitative execution of scientific and technological activities on priority areas in highway engineering. A citation analysis has been ...2019-11-29 -
Justification on Choosing Screw Pumping Units as Energy Efficient Artificial Lift Technology
(БНТУ, 2021)The paper analyzes the main techniques and technologies of oil fluid recovery in the context of energy consumption, significantly rising over the latest decade. It is recognized that the number of publications in the area of energy efficiency is growing steadily. Currently Russian oil and gas industry are facing the task of accelerating reduction of energy consumption while ...2021-04-07 -
Maintaining the Sustainable Energy Systems: Turning from Cost to Value
(БНТУ, 2020)The economies of the world are influenced by the rapidly changing global energy policy agenda. Understanding energy trends implications in the long-term perspective is crucial for responsible and informed sustainability-policy making, with respect to transformations required to enhance the security of energy supply, resource efficiency and affordability, as well to as transformations ...2020-02-05 -
Multicomponent Solid Fuel Production Technology Using Waste Water
(БНТУ, 2021)An assessment is given to the problems of urban wastewater sludge utilization in our country and abroad, with determination of formation and usage level. Global trends in the reduction of carbon dioxide emissions exacerbate the urgency of solving the designated tasks. At the same time, recently, in connection with the EU’s plans to introduce a cross-border carbon levy, it has ...2021-12-14 -
Online-Identification of Electromagnetic Parameters of an Induction Motor
(БНТУ, 2020)Incompliance of the settings of the system to control actual values of the parameters of a variable frequency induction electric drive may sometimes result in complete non-operability of a variable frequency electric drive as well as in the considerable reduction of the dynamic quality parameters. Such parameters as active rotor resistance, rotor inductance, and inductance of the ...2020-10-07 -
Reference Input Signals Formation for Induction Motor Control in Traction Drive
(БНТУ, 2023)The purpose of this work is to build the analytical improved (with resistances estimation) real time computation of the reference inputs for rotor flux and torque in the vector control system of an induction motor of a traction electric drive. The reference inputs must maximize electromagnetic torque in conditions of voltage source instability, particularly in magnetic field ...2023-06-08 -
Simulation of Photovoltaic Thermoelectric Battery Characteristics
(БНТУ, 2021)Solar radiation is an environmentally friendly and affordable energy source with high release of energy. The use of a photovoltaic thermoelectric battery makes it possible to increase the efficiency of converting solar and thermal radiation into electrical energy, both on serene and cloudy days. An original battery structure with photovoltaic and thermoelectric converters is ...2021-06-23 -
Simulation of Thin-Film Solar Cells with a CuInSe2 Chalcopyrite Structure
(БНТУ, 2020)By using numerical simulation, the operating temperatures of a thin-film solar cell based on CuInSe2 have been determined and the solar radiation density values, at which stabilization of the temperature operating conditions of the thin-film solar cell is not required, have been optimized. The maximum possible efficiency value of ~14.8 % is achieved under actual operating conditions, ...2020-02-05
