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2023 5th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)最新文献

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Analysis and optimization of the operation of deaeration devices on heat sources 热源曝气装置运行分析与优化
O. V. Pazushkina, Maksim V. Zolin
Thermal deaeration is one of the key and extremely necessary stages, both in the cycle of small industrial boiler houses and in thermal power plants. Moreover, anti-corrosive water treatment technologies significantly affect the efficiency of operation of thermal power plants and boiler plants. This paper considers the problems of protecting equipment of heat sources and heat supply systems from internal corrosion. The solutions aimed at achieving high quality deaerated water and improving water treatment systems are given.The analysis of the operation of deaeration devices of Ulyanovsk heat sources is carried out. The technical solutions for improving the designs of thermal deaerators and the schemes of switching them on are suggested. The article also presents an effective design of a thermal deaerator, patented by the authors, which provides for overheating of the source water relative to the pressure in the deaerator, which allows the deaerator to operate both in atmospheric and vacuum mode. The technologies for switching on gas venting devices, which make it possible to increase the efficiency of the process of vacuum deaeration of water, are considered. The technologies that improve the quality of the deaeration process and the efficiency of operation of thermal power plants are described.
在小型工业锅炉房和火力发电厂的循环中,热除氧都是关键和极其必要的阶段之一。此外,防腐水处理技术对火电厂和锅炉厂的运行效率有着重要的影响。本文讨论了保护热源设备和供热系统免受内部腐蚀的问题。提出了实现高质量脱氧水和改善水处理系统的解决方案。对乌里扬诺夫斯克热源除氧装置的运行进行了分析。提出了改进热除氧器设计的技术解决方案和热除氧器的开启方案。本文还介绍了一种有效的热除氧器设计,该设计获得了作者的专利,它提供了相对于除氧器内压力的源水过热,这使得除氧器可以在大气和真空模式下运行。考虑了开启排气装置的技术,使真空除氧过程的效率得以提高。介绍了提高火电厂脱氧过程质量和运行效率的技术。
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引用次数: 0
Estimation of the Effect of Non-Synchronization of Voltage and Current Samples on the Active Power Measurement Error 电压电流采样不同步对有功功率测量误差影响的估计
A. Serov, K. A. Ivanenko, Sergey A. Podobuev, Liliya S. Serdyukova, A. Shatokhin
To measure power parameters, two measurement channels are applied: voltage and current. For accurate measurement of active power parameters, the voltage and current samples must be synchronized in time. Each of the measurement channels contains ADCs, due to the imperfection of which there is a delay of the samples of one signal relative to another. This causes the active power error. Two components of this deviation can be distinguished: constant (aperture time) and variable (aperture jitter) in time. The paper considers the measurement error of active power parameters due to non-synchronization of current and voltage samples. Analytical error expressions are obtained from the aperture jitter and aperture time error components. The influence of signal parameters (amplitude values, initial phases, sampling frequency, measurement time, sample number, phase shift) on the active power error is considered. The case of aperture bounce representation by means of a random function with normal and uniform distribution density is considered. It is shown that for the case of a uniform distribution density, the active power error is higher.
为了测量功率参数,采用了两个测量通道:电压和电流。为了准确测量有功功率参数,电压和电流样品必须及时同步。每个测量通道都包含adc,由于其不完善,存在一个信号相对于另一个信号的采样延迟。这会导致有功功率误差。这种偏差的两个组成部分可以区分为:恒定的(光圈时间)和可变的(光圈抖动)。本文考虑了电流、电压采样不同步导致的有功功率参数测量误差。由孔径抖动和孔径时间误差分量得到了解析误差表达式。考虑了信号参数(幅值、初始相位、采样频率、测量时间、采样次数、相移)对有功功率误差的影响。考虑了用密度为正态分布和均匀分布的随机函数表示孔径弹跳的情况。结果表明,在均匀分布密度情况下,有功功率误差较大。
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引用次数: 0
Estimation of the optimal record interval of the technological parameters 工艺参数最佳记录区间的估计
M. Sultanov, I. Boldyrev, K. V. Evseev, Nikita S. Khlyustov
In this paper an algorithm for assessing the optimal recording interval technological parameters is considered. The purpose of the work is to determine an approach for finding the optimal period for recording the values of the parameters during their archiving in the hardware-software complex to reduce the amount of data transmitted through the information and measurement channels, and disk space required for their storage. As a result of the work, a technique has been developed for signal restoration by filling in empty values between adjacent known points on the basis of machine learning models, the proposed approach has been validated on the thermal power plant control system technological parameters. The results of the estimation are presented.
本文研究了一种评估最佳记录间隔工艺参数的算法。该工作的目的是确定一种方法,以找到在硬件-软件复合体中记录参数值的最佳周期,以减少通过信息和测量通道传输的数据量,以及存储参数所需的磁盘空间。在此基础上,提出了一种基于机器学习模型在相邻已知点之间填充空值的信号恢复方法,并在火电厂控制系统工艺参数上进行了验证。给出了估计结果。
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引用次数: 0
General Analytical Solution to the Problem of Propagation of Thermal Oscillations in Semi-bounded Solids of Various Shapes 不同形状半有界固体中热振荡传播问题的一般解析解
M. Purdin, Renata Magomedova
This paper presents a general analytical solution to the problem of propagation of thermal oscillations in semi-bounded bodies. The obtained results are useful for calculating and studying heat transfer during heat treatment of products, heat accumulators, ground heat exchangers, and small celestial bodies, ranging from comets and asteroids to completely solid planets. The purpose of the study is to obtain the thermal characteristics of thermal waves propagating in the body. A statement of the problem of steady oscillations in semi-bounded solids is presented. Two analytical solutions corresponding to a rectangular coordinate system are shown, and both of them could be considered as a general solution for any coordinate system. The proposed solution made it possible to express in real form the formulas of dependences on the longitudinal coordinate of the amplitude and phase of temperature oscillations. An asymptotic analysis is carried out, which shows the characteristic features and properties of the obtained solution. The calculated dependencies for some regimes are presented in order to understand the nature of heat transfer.
本文给出了热振荡在半有界物体中传播问题的一般解析解。所得结果可用于计算和研究产品、蓄热器、地面热交换器和小天体(从彗星和小行星到完全固体行星)热处理过程中的传热。研究的目的是获得热波在体内传播的热特性。给出了半有界固体中稳定振荡问题的一个表述。给出了对应于直角坐标系的两个解析解,这两个解析解都可以看作是任意坐标系的通解。所提出的解使温度振荡的振幅和相位与纵坐标的依赖关系的表达式以实数形式表示成为可能。进行了渐近分析,得到了解的特征特征和性质。为了理解热传递的本质,给出了一些机制的计算依赖关系。
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引用次数: 0
Production, storage and use of hydrogen for seasonal accumulation in energy efficient house 生产、储存和使用氢气在节能房屋的季节性积累
Nadezhda A. Belekhova, I. Sultanguzin, Y. Yavorovsky, Baydaa Bo Dakkah, Vladislav Y. Chaikin
The excessive energy consumption in the residential sector, is one of the most important problems. Therefore, in this research, emphasis was placed on the use of renewable energy sources from solar energy and hydrogen energy to meet the needs of a residential house located in the suburbs of Moscow without any dependence on the electrical grid. The study compared several systems used in the USA, Switzerland, Germany, and Sweden in order to determine which was the most energy-efficient one to use. Under different working conditions, these systems use excess solar energy from the house's needs in summer to generate hydrogen, store it, and then use it to generate electricity in winter. As a result, the Australian system was chosen as an auxiliary system for solar energy to provide all the energy requirements of the house for the entire year and without any dependence on the electrical network.
在住宅领域,过度的能源消耗是最重要的问题之一。因此,在这项研究中,重点放在使用太阳能和氢能等可再生能源,以满足位于莫斯科郊区的住宅的需求,而不依赖电网。这项研究比较了美国、瑞士、德国和瑞典使用的几种系统,以确定哪种系统最节能。在不同的工作条件下,这些系统在夏季使用房屋所需的多余太阳能来产生氢气,储存起来,然后在冬季使用它来发电。因此,澳大利亚系统被选为太阳能的辅助系统,以提供房屋全年的所有能源需求,而不依赖于电网。
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引用次数: 0
Procedure for Locating Trees and Estimating Diameters Using LiDAR Data 利用激光雷达数据定位树木和估算直径的程序
I. A. Grishin, V. Terekhov
Segmentation of a forest area with high accuracy is a non-trivial task. In this paper, the authors examined the procedure for determining the coordinates of the location of trees and their diameters in order to obtain an initial idea of the structure and quantitative filling of the forest area. To conduct the study, LiDAR data were collected from a mixed forest located in Russia with a high density of trees with a total area of about 1 hectare. The proposed procedure provides detection of 97.5% of trees. Several methods are used: covariance analysis and k-d-tree partitioning, hierarchical and non-hierarchical DBSCAN segmentation algorithm, HyperLS circle point approximation method, as well as other algorithms. All the data obtained is planned to be used for further segmentation of the forest area.
高精度的森林区域分割是一项非常重要的任务。在本文中,作者研究了确定树木位置坐标及其直径的程序,以便对森林区域的结构和定量填充有一个初步的认识。为了进行这项研究,激光雷达数据收集自位于俄罗斯的一个混交林,该混交林的树木密度很高,总面积约为1公顷。所提出的程序提供了97.5%的树木检测。使用了协方差分析和k-d树划分、分层和非分层DBSCAN分割算法、HyperLS圆点逼近法等算法。所有获得的数据都计划用于进一步分割森林区域。
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引用次数: 1
A study of an approach to the construction of high-power with high-voltage supplies 用高压电源构建大功率电源的方法研究
D. Seregin, I. Voronin, M. Pavlova, Dmitry V. Mostovoy, V. Gromov, A. M. Stoynova
This paper deals with the current requirements for high-power high-voltage power supplies to be operated within state-of-the-art high-tech industrial plants and other equipment items. The proposed study describes the basic available approaches to the construction of high-voltage power supplies and highlights their advantages and disadvantages. The paper examines a new approach to the construction of high-voltage power supplies with energy transfer from the input to the output parts using a current loop. This paper also deals with the control system and mathematical model of a high-voltage power supply that has an output voltage of 4 kV. The simulation results confirmed the efficiency of the proposed approach.
本文论述了目前高新技术工业厂房和其他设备项目对大功率高压电源的要求。提出的研究描述了高压电源的基本可用方法,并强调了它们的优点和缺点。本文研究了一种利用电流环实现从输入到输出的能量传递的高压电源结构的新方法。本文还讨论了输出电压为4kv的高压电源的控制系统和数学模型。仿真结果验证了该方法的有效性。
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引用次数: 0
Application of numerical simulation methods to improve the efficiency of cooling systems 应用数值模拟方法提高冷却系统效率
A. Ermakov, R. Salakhov, R. Khismatullin
This paper presents the use of numerical simulation to study and improve the efficiency of the cooling system of internal combustion engines. The non-stationary World Harmonized Transient Cycle used was used to study the cooling system. The data for the verification of the mathematical model were obtained on the engine stand of the KAMAZ scientific and technical center. As a result of modeling and comparing the operation of a cooling system with a mechanical drive and a PID pump controller, it was found that a cooling system with a PID controller better maintains the set temperature of the coolant, and also consumes less electricity to drive the pump. It is also worth noting that the belt drive of the pump leads to an excessive consumption of mechanical energy and a decrease in the temperature of the coolant below the set temperature at high engine speeds, and under heavy load at low engine speeds, the coolant overheats.
本文介绍了用数值模拟的方法来研究和提高内燃机冷却系统的效率。采用非稳态世界协调瞬态循环对冷却系统进行了研究。在卡玛斯科技中心的发动机机架上获得了验证数学模型的数据。通过对机械驱动冷却系统和PID泵控制器冷却系统的运行进行建模和比较,发现采用PID控制器的冷却系统能更好地保持冷却剂的设定温度,并且驱动泵的电力消耗也更少。同样值得注意的是,泵的皮带传动导致机械能的过度消耗和冷却液温度在发动机高转速下下降到设定温度以下,并且在发动机低转速下的重载下,冷却液过热。
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引用次数: 0
CES and TCSC based Supplementary Controller for Stability of Renewable Energy Integrated Nonlinear Power System 基于CES和TCSC的可再生能源综合非线性电力系统稳定性补充控制器
Ch. Naga Sai Kalyan, Ch. Rami Reddy, B. S. Goud, M. Bajaj, M. Tolba, Salah Kamel
This paper presents the application of the donkey and smuggler optimization technique (DSOT) a recent population-based iterative algorithm tuned tilt-integral-derivative plus filter (TIDF) for interconnected power system (IPS) stability. Two-area nonlinear power system (TANLPS) with the geothermal power plant (GTPP) integrated model is deliberated and constituted the investigation for 10% step load disturbance (10%SLD) on area-1. However, the DSOT-based TIDF efficacy is exhibited with other control techniques, and to further enhance the TANLPS performance the supplementary control mechanism of capacitive energy storage (CES) and Thyristor controlled series compensator (TCSC) is adopted. Simulation results showcased the benefit of adopting the CES-TCSC mechanism to the TANLPS and sensitivity analysis is carried out to showcase the control strategy robustness.
本文介绍了驴走私者优化技术(DSOT)在互联电力系统稳定性中的应用,这是一种最新的基于种群的迭代算法。研究了两区非线性电力系统(TANLPS)与地热发电厂(GTPP)集成模型,并对1区10%阶跃负荷扰动(10% sld)进行了研究。为了进一步提高TANLPS的性能,采用电容储能(CES)和晶闸管控制串联补偿器(TCSC)作为补充控制机制。仿真结果表明了采用CES-TCSC机制对TANLPS的优越性,并通过灵敏度分析验证了控制策略的鲁棒性。
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引用次数: 0
Compact modeling and digital twins of capacitive fractal microsystems: characteristics variations caused by heavy charged particles 电容分形微系统的紧凑建模和数字孪生:由重带电粒子引起的特性变化
V. Terekhov, A. Glushko, V. Makarchuk, E. Rezchikova, V. Shakhnov, L. Zinchenko
Micro electromechanical systems are widely used in different equipment, including those installed on spacecrafts, when they are exposed to several harmful factors, including radiation. The most correct approach to examine microsystems radiation tolerance is filed tests. However, the tests are difficult and expensive. This paper presents compact models of capacitive fractal systems for characteristics variations caused by heavy charged particles. Different approximation functions were chosen and then compared. Conclusion are derived about suitability of the approaches for further study and design of digital twins.
微机电系统广泛用于不同的设备,包括安装在航天器上的设备,当它们暴露于几种有害因素,包括辐射时。检测微系统辐射耐受最正确的方法是现场试验。然而,这些测试既困难又昂贵。本文提出了由重带电粒子引起的电容性分形系统特性变化的紧凑模型。选择不同的近似函数进行比较。结论为进一步研究和设计数字双胞胎提供了可行的方法。
{"title":"Compact modeling and digital twins of capacitive fractal microsystems: characteristics variations caused by heavy charged particles","authors":"V. Terekhov, A. Glushko, V. Makarchuk, E. Rezchikova, V. Shakhnov, L. Zinchenko","doi":"10.1109/REEPE57272.2023.10086770","DOIUrl":"https://doi.org/10.1109/REEPE57272.2023.10086770","url":null,"abstract":"Micro electromechanical systems are widely used in different equipment, including those installed on spacecrafts, when they are exposed to several harmful factors, including radiation. The most correct approach to examine microsystems radiation tolerance is filed tests. However, the tests are difficult and expensive. This paper presents compact models of capacitive fractal systems for characteristics variations caused by heavy charged particles. Different approximation functions were chosen and then compared. Conclusion are derived about suitability of the approaches for further study and design of digital twins.","PeriodicalId":356187,"journal":{"name":"2023 5th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123904930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2023 5th International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)
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