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2022 IEEE 4th International Conference on Modern Electrical and Energy System (MEES)最新文献

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Improvement of the Simulation Model of a Solar Power Plant, Modernization of the Block for Accounting for the Effect of Cooling Panels by Wind Currents 某太阳能发电厂仿真模型的改进,考虑气流对冷却板影响的机组现代化
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005722
S. Shevchenko, D. Danylchenko, A. Potryvai, O. Miroshnyk, Vladyslav Tsiupa, S. Dryvetskyi
This research article is dedicated to improving the existing simulation model of a solar power plant, serving as a potential tool for prediction in the field. The improvement is achieved by updating the block model of the effect of heating the surface of the photovoltaic converter by introducing a new mathematical model that more accurately describes the cooling of the surface of solar panels by wind currents.
本文致力于改进现有的太阳能电站仿真模型,为该领域的预测提供潜在的工具。通过引入一种新的数学模型,更准确地描述了风力对太阳能电池板表面的冷却作用,从而更新了光伏转化器表面加热效应的块模型,从而实现了改进。
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引用次数: 0
Measuring of Inactive Powers in Three-Phase Power Supply System 三相供电系统无功功率的测量
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005681
M. Artemenko, Y. Kutafin, V. Chopyk, V. Mykhalskyi, Ivan Shapoval, S. Polishchuk
In the paper, a method for measuring the inactive powers of a three-phase power supply system based on operations with currents and voltages represented in the αβ - coordinate system is proposed. It is shown that measuring the four scalar powers and apparent power of a three-phase threewire system based on currents and voltages represented in the αβ-coordinate system requires four wattmeters, which is half as much as when using non-convertible values of currents and voltages. The six scalar powers of the three-phase four-wire power supply system can be determined based on the readings of six wattmeters. The experiment showed the adequacy of calculated and experimental data. Change in the nature of the load while preserving the value of the first load current harmonic does not affect the integral values of four scalar powers.
本文提出了一种用αβ -坐标系表示电流和电压的运算来测量三相供电系统无功功率的方法。结果表明,用αβ-坐标系表示的电流和电压测量三相三线制系统的4个标量功率和视在功率需要4个瓦特计,这比用不可转换的电流和电压值测量时减少了一半。三相四线制供电系统的六个标量功率可以根据六个瓦特表的读数来确定。实验结果表明,计算数据和实验数据是充分的。在保持第一负载电流谐波值的情况下,负载性质的改变不会影响四个标量功率的积分值。
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引用次数: 0
Development of Methods for Digital Diagnostics of Engines by Electronic Indication 发动机电子指示数字诊断方法的发展
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005758
D. Marchenko, K. Matvyeyeva, V. Kurepin
The article presents the results of a study of the method of electronic indication of engines and a device for its implementation, based on measuring the stresses acting in the connection elements of body parts (studs, bolts) connecting the cylinder covers (cylinder head) and the engine block. A method of processing indicator diagrams of internal combustion piston engines has been developed. Using the technique allows you to get comprehensive information on the indicator diagram, which consists of 30 defined parameters that allow you to assess the quality of the flow of work processes, the technical condition of the engine, fuel equipment, etc. The method of processing indicator diagrams, in contrast to the known ones, is supplemented by the definition of a number of indicators, which are proposed to be used as diagnostic parameters for modern piston engines. A technique for diagnosing internal combustion piston engines based on the results of their electronic indication, in which the influence of various malfunctions on the nature of indicator diagrams of modern automobile engines is determined and diagnostic matrices are proposed that make it possible to determine 15 main malfunctions for spark ignition engines and 12 malfunctions for diesel engines. Experimental installations for indirect display of internal combustion engines were created and experimental studies were carried out. The comparison of indicator diagrams obtained by the methods of direct and indirect mapping allows us to make a conclusion about the high degree of convergence of these data (discrepancies in most parameters determined by indicator diagrams amount to no more than 5.0%), which proves the possibility of using the proposed method of indirect mapping in practice.
本文介绍了一种发动机电子指示方法及其实现装置的研究结果,该方法是通过测量汽缸盖(气缸盖)与发动机缸体连接部件(螺柱、螺栓)的连接元件的应力来实现的。提出了一种处理内燃活塞发动机示功图的方法。使用该技术,您可以获得指示器图上的全面信息,指示器图由30个已定义的参数组成,使您可以评估工作流程的质量、发动机的技术状况、燃料设备等。与已知指标图的处理方法不同,本文补充了一些指标的定义,并提出了这些指标作为现代活塞发动机的诊断参数。提出了一种基于内燃机电子指示结果的内燃机诊断技术,确定了各种故障对现代汽车发动机指示图性质的影响,并提出了诊断矩阵,使火花点火发动机的15种主要故障和柴油发动机的12种主要故障得以确定。建立了内燃机间接显示实验装置,并进行了实验研究。通过对直接映射和间接映射两种方法得到的指标图的比较,我们可以得出这些数据的收敛程度很高的结论(指标图确定的大多数参数的差异不超过5.0%),这证明了在实践中使用所提出的间接映射方法的可能性。
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引用次数: 0
Development of the Principles of Improving the Efficiency of Educational Information Acquisition 提高教育信息获取效率原则的发展
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005733
O. Chornyi, L. Herasymenko, V. Busher
The article considers the issue of improving the efficiency of educational information acquisition by future electrical engineering students. Several methods for forming the timetable of tutorials are analyzed, which ensure the increase of fundamental and practical knowledge levels, the ability to work with technical equipment, and solve non-standard situations that might happen in working conditions. Streamlining of tutorials timetable was proved by the main principle of optimization of this process. The research was carried out on the example of teaching technical subjects of study to students during the academic semester. Subjects of the study were taught cyclically within two weeks. Processing of the results was carried out by methods of mathematical modeling and harmonic analysis. The obtained results were verified using a cybernetic model of the learning process by introducing the proposed optimal timetable of tutorials into the general timetable of classes. The survey proved the efficiency of educational information acquisition by electrical engineering students. As criteria for evaluating the efficiency of educational information acquisition, it is proposed to consider the mathematical expectation and dispersion of acquisition on the cycle interval.
本文探讨了如何提高未来电气工程专业学生的教育信息获取效率的问题。分析了几种形成教程时间表的方法,保证了基础知识和实践知识水平的提高,技术装备的使用能力,以及解决工作条件下可能发生的非标准情况。通过该过程优化的主要原理,证明了教学时间表的精简性。本研究以本学期对学生进行技术学科教学为例进行。研究对象在两周内接受周期性教学。采用数学建模和谐波分析的方法对结果进行了处理。利用学习过程的控制论模型,将所提出的最优辅导课时间表引入到一般课程时间表中,验证了所得结果。调查结果证明了电气工程专业学生获取教育信息的效率。作为评价教育信息获取效率的标准,本文提出了在周期区间上考虑教育信息获取的数学期望和离散度。
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引用次数: 0
Influence of Winding Dimensions on Electrical Parameters of the Induction System with a Magnetic Core for Magneto-Impulse Processing of Thin Non-Magnetic Metal Sheets 非磁性薄板磁冲击加工中绕组尺寸对磁芯感应系统电气参数的影响
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005781
R. Kryshchuk, I. Kondratenko, O. Karlov
Plasticity of electrically conductive materials changes by flowing high-density currents through them. This electroplastic effect can be used to remove residual stresses of welds. In this article the induction system for decreasing residual stresses in welds of thin non-magnetic metal sheets of aluminum alloys 5056, 5083 and similar is investigated. The magneto-impulse method is used, which is based on inducing a pulsed eddy current in the weld. The aim of this work is to establish the dependence of electrical parameters (resistance, inductance) and current density in welds on the winding sizes in order to obtain the maximum current density in welds or reduce the requirements for a power source, taking into account skin and proximity effects of conductors in winding. The numerical calculation of the electromagnetic field by the finite element method in the mode of harmonic currents and in the mode of transient processes is used. The influence of winding sizes is established on resistance, inductance, current density of weld surface, AC/DC resistance ratio coefficient in winding in the calculation mode of harmonic currents. It also establishes the dependence of transient processes of pulsed current in winding, current density in weld of the induction system on cross-sectional dimensions of a coil and its wires.
导电材料的塑性随着高密度电流的流过而改变。这种电塑性效应可用于消除焊缝的残余应力。本文研究了用感应系统降低5056、5083等非磁性铝合金薄板焊缝残余应力的方法。采用磁脉冲法,其原理是在焊缝中产生脉冲涡流。这项工作的目的是建立电学参数(电阻,电感)和焊接电流密度对绕组尺寸的依赖关系,以便在考虑绕组中导体的集肤效应和邻近效应的情况下获得最大的焊接电流密度或减少对电源的要求。采用有限元法对谐波电流模式和瞬态过程模式下的电磁场进行了数值计算。在谐波电流计算模式下,建立了绕组尺寸对电阻、电感、焊缝表面电流密度、绕组交直流电阻比系数的影响。还建立了绕组中脉冲电流的瞬态过程、感应系统焊缝中的电流密度与线圈及其导线的横截面尺寸的关系。
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引用次数: 0
Starting System of Induction Motor with Dynamic Torque Control Powered by an Autonomous Sources of Energy Supply 自主能量源驱动的动态转矩控制异步电动机起动系统
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005708
Iurii Zachepa, N. Zachepa, M. Antonov, Andrii Pyrozhok
The paper considers the application of starting systems for induction motors powered by autonomous sources of limited power. The conditions for the formation of the starting torque of an induction motor with the formation of the required transient characteristics and the control of electromagnetic transient moments under conditions of power supply from a stationary network and an autonomous sources of energy supply of limited power are analyzed. Studies have been carried out on the implementation of the “favorable” switching on mode of a three-phase induction motor powered by an autonomous generator according to the principle of creating non-zero initial conditions. An implementation algorithm has been developed and a technical solution has been proposed for the implementation of a starting device with the implementation of a “quasi-favorable” method for switching on an induction motor under conditions of power supply from autonomous sources of energy supply.
本文研究了由有限功率自主源驱动的感应电动机起动系统的应用。分析了在固定电网供电和有限功率的自主电源供电条件下,感应电动机起动转矩与所需暂态特性的形成条件以及电磁暂态矩的控制。根据创建非零初始条件的原理,对自主发电机供电的三相感应电动机“有利”导通方式的实现进行了研究。开发了一种实现算法,并提出了一种技术方案,用于实现在自主能源供电条件下感应电动机的“准有利”开关启动装置。
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引用次数: 0
Introduction of Energy Storage Facilities as an Element of Industry 4.0 of the Energy Sector of Ukraine 引进储能设施作为乌克兰能源部门工业4.0的组成部分
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005630
L. Sakun, Yulia Viedienina, M. Khomenko, D. Rieznik, M. Kovalenko
The article investigates the theoretical, methodological, and analytical provisions for the effective implementation of energy storage systems in the energy sector of Ukraine as one of the elements of Industry 4.0. Synthesis of research results allows us to identify key characteristics that contain the main approaches and recommendations for the implementation of energy storage systems in the energy sector of Ukraine based on foreign experience. In addition, the authors draw attention to the fact that the main objectives of energy storage systems as an element of the development of Industry 4.0 in the energy sector of Ukraine are the simplification of technological schemes; overall reduction in the cost of electricity supply through the use of DC systems; reduction of technological costs; increase the reliability of the integrated power system facilities; unloading of the general power supply network; ensuring constant and uninterrupted use of electricity; the possibility of local monitoring of energy efficiency; decentralization and decarbonization of Ukraine's energy sector.
本文研究了在乌克兰能源部门有效实施储能系统作为工业4.0要素之一的理论,方法和分析规定。综合研究结果使我们能够根据国外经验确定乌克兰能源部门实施储能系统的主要方法和建议的关键特征。此外,作者提请注意这样一个事实,即能源存储系统作为乌克兰能源部门工业4.0发展的一个要素的主要目标是简化技术方案;透过使用直流系统,全面降低电力供应成本;降低技术成本;提高综合电力系统设施的可靠性;总供电网络的卸载;确保持续和不间断的用电;就地监测能源效率的可能性;乌克兰能源部门的权力下放和脱碳。
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引用次数: 0
Monitoring of Energy Processes in the Electrohydraulic Complex with a Variable-Frequency Electric Drive in Unsteady Operation Modes 非定常工况下变频电液系统能量过程监测
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005646
M. Qawaqzeh, V. Kovalchuk, T. Korenkova, O. Serdiuk, Oleksandr Bilyk
An energy model of an electrohydraulic complex has been developed. It allows analyzing the energy processes in the power channel in dynamic modes during the development of cavitation and turbulent oscillations in the pipeline network. It has been shown that the nature of energy processes in the considered cases is periodic constant power fluctuations in the analyzed time interval. The variable component in technological and energy signals of the electrohydraulic complex has been assessed. Their frequency analysis has been performed. The coefficient of power controllability of the electrohydraulic complex and its critical values, whereat the development of emergency modes is possible, have been determined.
建立了电液复合体的能量模型。它允许在动态模式下分析管道网络中空化和湍流振荡发展过程中功率通道中的能量过程。已经证明,在所考虑的情况下,能量过程的性质是在所分析的时间间隔内的周期性恒定功率波动。对电液复合体的技术和能量信号中的可变成分进行了评估。对它们进行了频率分析。确定了电液复合体的功率可控性系数及其临界值,使应急模式的发展成为可能。
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引用次数: 0
Models of the Industrial Revolution 5.0 工业革命5.0模型
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005761
M. Bosovska, M. Boiko, Liudmyla Bovsh, A. Okhrimenko
Revolutionary changes in the development of society are demonstrated in the phases of industrial revolutions. Each of which was usually perceived ambiguously by society at the first stages. Currently, Industry 4.0 is identified as the widespread adoption of digital technologies, especially for Electrical and Energy System. Digitization is an immanent attribute and driver of the development of the world system, including the electric power industry. However, there are already tendencies towards the emergence of the next stage – Industry 5.0, which forms the prerequisites for the development of economic entities in new realities. Industry 5.0 involves the introduction in Electrical and Energy System of innovations as a synergy of automation (digitalization), intelligent devices and systems (artificial intelligence) and human capital. Accordingly, in strategies and programs for the development of the energy industry, it is necessary to take into account the specified components and principles, which will contribute to the achievement of competitiveness, effectiveness and efficiency.
社会发展的革命性变化表现在工业革命的各个阶段。在最初阶段,社会通常对每一项都有模糊的认识。目前,工业4.0被认为是数字技术的广泛采用,特别是在电气和能源系统方面。数字化是包括电力工业在内的世界体系发展的内在属性和驱动力。然而,已经出现了下一个阶段的趋势——工业5.0,它构成了经济实体在新现实中发展的先决条件。工业5.0涉及在电气和能源系统中引入创新,作为自动化(数字化),智能设备和系统(人工智能)和人力资本的协同作用。因此,在能源工业发展的战略和计划中,有必要考虑到具体的组成部分和原则,这将有助于实现竞争力,有效性和效率。
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引用次数: 1
Reliability and Security Increasing Methods for Electronic Systems and Units in Special Vehicles 提高特种车辆电子系统和单元可靠性和安全性的方法
Pub Date : 2022-10-20 DOI: 10.1109/MEES58014.2022.10005764
V. Drahobetskyi, R. Chernyak, S. Dun, I. Trunina, D. Moloshtan
The work is devoted to methods for increasing the reliability of units and elements in electrical equipment, electronic systems and parts. The necessity to take into account survivability and reliability in the designing and manufacturing special equipment process is considered. The analysis failure percentage is given. The methods to protect electronic systems and units in special vehicles are proposed. It is shown that the main reasons for the failure of the electronic control system units are vibrations, shock loads, damage by bullets, fragments of mines and shells. The reduction of these loads and impacts is achieved by installing appropriate dampers, shock absorbers, armor protection elements, using shock-vibration-resistant and heat-resistant materials, and duplicating systems. As an option, new layered armor plate construction is proposed. From this prospect, the optimal reliability and survivability of the electronic control systems units are determined. It has been established that electrical systems and control units have the highest percentage of failures in operating conditions and the fulfillment of target tasks. To avoid this the new construction of armor plates is proposed. The mathematical modelling has shown the significant results, which should be proven at the experimental level in terms of polygons to have possibility to take into account not only vehicle units, but also geographical structure.
这项工作致力于提高电气设备、电子系统和零件中单元和元件的可靠性的方法。分析了特种装备在设计和制造过程中考虑生存性和可靠性的必要性。给出了分析失败率。提出了特种车辆电子系统和电子部件的保护方法。结果表明,引起电控系统单元故障的主要原因是振动、冲击载荷、子弹、地雷破片和炮弹的破坏。通过安装适当的阻尼器、减震器、装甲保护元件、使用抗冲击振动和耐热材料以及复制系统,可以减少这些载荷和冲击。作为一种选择,提出了新的分层钢板结构。从这个角度出发,确定了电控系统单元的最优可靠性和生存性。已经确定,电气系统和控制单元在运行条件和目标任务的完成中具有最高的故障百分比。为避免这种情况,提出了新型钢板结构。数学模型已经显示了显著的结果,这应该在实验层面上证明,在多边形方面,不仅有可能考虑到车辆单元,而且有可能考虑到地理结构。
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引用次数: 0
期刊
2022 IEEE 4th International Conference on Modern Electrical and Energy System (MEES)
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