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2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)最新文献

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Application of intelligent electricity metering systems for timely adjustment of standard values for electrical loads calculation 应用智能电力计量系统,及时调整标准值,进行电力负荷计算
Y. Soluyanov, A. Fedotov, A. Akhmetshin, V. Soluyanov
Today, the calculation of the electrical load for residential and public buildings in the Russian Federation is carried out on the basis of SP 256.1325800.2016 “Electrical equipment of residential and public buildings. Rules of design and erection”. After specialists of the Association “Roselectromontazh” carried out a set of calculations obtained results showed that the standards specified are overestimated in comparison with the actual values. Electricity consumption has dropped significantly in recent years. The normative values, in turn, has not been revised, which led to unreasonably large investments in the construction of distribution networks, the formation of reserve capacities, and increased losses of electricity in the electrical equipment of electrical networks as a result of their inefficient use. An urgent task is to correct regulatory documents, taking into account regional characteristics, followed by monitoring their actual values. It is possible to complete the task in full using smart electricity meters.
今天,俄罗斯联邦住宅和公共建筑的电力负荷计算是根据SP 256.1325800.2016“住宅和公共建筑的电气设备”进行的。设计和安装规则”。在“Roselectromontazh”协会的专家进行了一组计算后,得到的结果表明,与实际值相比,指定的标准被高估了。近年来,用电量显著下降。反过来,规范值没有得到修订,这导致了对配电网建设的不合理的大量投资,储备能力的形成,以及由于使用效率低下而导致电网电气设备的电力损失增加。一项紧迫的任务是纠正规范性文件,考虑到区域特点,然后监测其实际价值。使用智能电表完全可以完成这项任务。
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引用次数: 12
Study of TPMV-1S radio absorbing material for use on spacecraft 用于航天器的TPMV-1S无线电吸收材料研究
P. Zhukov, V. Kirillov, M. M. Tomilin
The use of radio absorbing materials makes it possible to reduce the reflected electromagnetic fields from the structural elements, housings of on board instruments and devices of spacecraft. For spacecraft, it is necessary to use radio absorbing materials that do not change the frequency responses of the reflection coefficient at extreme space temperatures. The results of studies of the reflection coefficient of the radio absorbing material TPMV-1S which intend for use on spacecraft are presented. Based on carried out research it was concluded that this radio absorbing material TPMV-1S can be used to reduce electromagnetic fields on board of spacecraft via space flight.
无线电吸收材料的使用可以减少来自航天器结构元件、机载仪器和设备外壳的反射电磁场。对于航天器来说,有必要使用在极端空间温度下不会改变反射系数频率响应的无线电吸收材料。介绍了拟用于航天器的射电吸收材料TPMV-1S的反射系数研究结果。通过研究,得出了TPMV-1S无线电吸收材料可用于航天器空间飞行中减小机载电磁场的结论。
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引用次数: 1
Dynamic economic dispatch in isolated microgrids incorporating the energy storage system 包含储能系统的孤立微电网动态经济调度
G. Cho, Igor D. Vitlinsky, Victor A. Menshov, Deni Z. Isaev, A. A. Konstantinova, Yu. Z. Bubnov, Aleksander Poluektov
Isolated microgrids are the viable means of power supply of the load in remote areas. The economic efficiency of a microgrid as well as its reliability are the important issues. The dynamic economic dispatch of the generators provides the minimum operating cost. Introduction of energy storage system (ESS) in a microgrid promises the deeper optimization of generator dispatch. This paper presents the analysis of the effect of ESS introduction to dynamic economic dispatch of generators in an isolated microgrid. The evaluation was performed for two cases with a specified set of generators. Each set varies in the quantity of generators, efficiencies and capacities. The effect of ESS introduction was evaluated by comparing the operating cost with and without ESS. The feasibility of ESS introduction was studied with consideration of accelerated ESS aging. The additional capital cost of ESS to compensate the premature battery replacement was estimated. The feasibility of application of the oversized ESS batteries to extend the ESS lifetime was analyzed.
孤立微电网是偏远地区负荷供电的可行手段。微电网的经济效益和可靠性是重要的问题。发电机的动态经济调度提供了最小的运行成本。在微电网中引入储能系统有望对发电机组调度进行更深层次的优化。本文分析了在孤立微电网中引入ESS对发电机动态经济调度的影响。用一组指定的生成器对两种情况进行了评估。每组发电机组的发电机数量、效率和容量各不相同。通过比较有无ESS的运行成本来评价引入ESS的效果。在考虑ESS加速老化的情况下,研究了引入ESS的可行性。估计了用于补偿电池过早更换的ESS的额外资本成本。分析了应用超大尺寸ESS电池延长ESS寿命的可行性。
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引用次数: 2
The use of technical vision in the robotic cash counting area 技术视觉在机器人点钞领域的应用
Pavel V. Trunov, Elvira V. Fadeeva, Anton B. Gavrilenko
In this research we have installed a computer vision system on a single board computer named ODROID™ XU4. This project is a modification of a more complex and bigger system – the robotic cash counting area. Before our modification a trained neural network was installed on a single board computer, but this caused the computer’s CPU (central processing unit) to be overloaded and soft was shutting down. We implemented and compared two methods of object detection in an image and video, namely Shi-Tomasi and FAST (Features from Accelerated Segment) methods. The comparison criteria were accuracy of detection and CPU load.
在本研究中,我们在名为ODROID™XU4的单板计算机上安装了计算机视觉系统。这个项目是对一个更复杂、更大的系统——机器人点钞区——的改进。在我们修改之前,一个训练有素的神经网络安装在单板计算机上,但这导致计算机的CPU(中央处理单元)过载,软关机。我们实现并比较了两种图像和视频中的目标检测方法,即Shi-Tomasi和FAST (Features from Accelerated Segment)方法。比较标准为检测准确率和CPU负载。
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引用次数: 0
The Economic Effect Determination for Combined Cycle Power Plant with Pressurized Heat Recovery Steam Generator 加压式余热蒸汽发生器联合循环电厂经济效益的确定
D. A. Khokhlov, Daria A. Khokhlova, K. V. Sterkhov, M. N. Zaichenko, Valeriya S. Likholetova
The article describes the economic efficiency study results for several modernization cases of existing power equipment. The modernization cases assume the Pressurized Heat Recovery Steam Generator (PHRSG) usage with the twostage gas turbine. The T-100 cogeneration steam turbine and the K-300 condensing steam turbine were selected as the modernization object. The modernization cases are carried out with the high-power SGT5-2000E gas turbine and low-power GT-25PA gas turbine. New combined cycle gas turbine (CCGT) power plant construction case is considered for comparison as an example of typical Russian modernization case. The main economic efficiency indicators were considered - net present value (NPV); internal rate of return (IRR); pay-back period – simple (PP) and discounted (DPP); profitability index (PI). The article shows that all cases are investment attractive, but each case has its own specifics.
本文介绍了几个现有电力设备现代化改造案例的经济效益研究结果。现代化案例假设加压热回收蒸汽发生器(PHRSG)与两级燃气轮机一起使用。选择T-100热电联产汽轮机和K-300冷凝式汽轮机作为现代化改造对象。现代化案例使用大功率SGT5-2000E燃气轮机和小功率GT-25PA燃气轮机进行。将新型联合循环燃气轮机(CCGT)电厂建设案例作为典型的俄罗斯现代化案例进行比较。主要经济效率指标包括净现值(NPV);内部收益率;回收期-简单(PP)和贴现(DPP);盈利指数(PI)。文章表明,所有案例都具有投资吸引力,但每个案例都有自己的特点。
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引用次数: 0
Dispatch Optimization of Energy Communities for Collective Provision of Network Congestion Management 面向网络拥塞管理集体供给的能源社区调度优化
A. Vanin, Shchurovskaya Ellina, P. Nardelli, Aleksei Mashlakov
Nowadays the installation of distributed energy resources (DERs) is very popular all over the world. DERs bring partial independence from the external grid, fewer interruptions in the electric supply, economic benefits, improvement of the electrical energy quality and the green energy to the systems of the prosumers. However, they also bring network congestions and increase the complexity of the energy management especially when the renewable DERs with their inconstant generation profiles are used. One of the possible solutions for these problems for the prosumers is to organize and join an energy community. Energy community members can both exchange electrical energy to maintain energy balance and sell excess energy to the operator. There are two basic energy management strategies for the community members: collective and individual. This paper focuses on determining the most beneficial one by simulating an energy community with different levels of cooperation and assessing multiple parameters.
目前,分布式能源(DERs)的安装在世界范围内非常流行。分布式电源给产消者的系统带来了部分独立于外部电网、减少电力供应中断、经济效益、电能质量的提高和绿色能源。然而,它们也带来了网络拥塞,增加了能源管理的复杂性,特别是当使用具有不恒定发电曲线的可再生der时。对于产消者来说,解决这些问题的一个可能的办法是组织并加入一个能源社区。能源社区成员既可以交换电能以保持能量平衡,也可以将多余的能量出售给运营商。社区成员有两种基本的能源管理策略:集体和个人。本文通过模拟不同合作水平的能源群落,对多个参数进行评估,确定最有利的合作模式。
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引用次数: 3
Experimental Study of the Recovery of Low Heat Using the Organic Rankine Cycle 利用有机朗肯循环回收低热的实验研究
Baydaa Bo Dakkah, I. Sultanguzin, Y. Yavorovsky, Bassam E. Badran, Hussein A. Tina
Nowadays, Organic Rankine Cycle (ORC) poses a good solution for waste heat recovery. In this research, we have chosen the appropriate working fluid for ORC to be tested and worked out among a range of wet and isentropic working fluids available to us in the domestic market. A test bench for the ORC has been developed to recover heat at temperature $85^{circ}mathrm{C}$ using R141b, which resulted in a thermal efficiency about 2.24% due to the low efficiency of the equipment. In spite of the low thermal efficiency of ORC, it is effective in heat recovery processes.
目前,有机朗肯循环(ORC)为废热回收提供了很好的解决方案。在这项研究中,我们选择了适合ORC的工作流体进行测试,并在国内市场上提供的一系列湿和等熵工作流体中进行了计算。利用R141b在85^{circ} mathm {C}$温度下开发了ORC试验台,由于设备效率低,热效率约为2.24%。尽管ORC的热效率较低,但它在热回收过程中是有效的。
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引用次数: 1
Engineers Training Specifics According to Electrical Engineering Educational Program in the Context of Distance Learning 根据远程教育背景下的电气工程教育计划的工程师培训细节
A. Zavyalova, I. Korolev, E. V. Fedorova, A. M. Borovkova, V. Malyshev
This article examines the peculiarities of teaching practical bachelor students in direction of “Electricity and Electrical Engineering” in the context of the rapid transition of the university to the format of distance learning. The emphasis is placed on the introduction of tools for the development of educational interaction between teachers and students for the purposes of engineering specialties students with competencies in the field of electric power and electrical engineering. A characteristic feature of the training of applied bachelor students is an increased number of practical and laboratory classes in all disciplines, as well as a thorough study of not only modern technical, technological production activities, but also training in industrial, environmental and other types of safety.
本文探讨了在大学向远程教学模式快速过渡的背景下,“电气与电气工程”方向的实践性本科学生教学的特点。本课程的重点是为具有电力和电气工程领域能力的工程专业学生引入工具,以发展师生之间的教育互动。应用型本科学生培养的一个特点是增加各学科的实践和实验课程,不仅要深入研究现代技术、技术生产活动,还要进行工业、环境和其他类型安全方面的培训。
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引用次数: 1
Program for energy efficiency analysis of the multifunctional magnetic levitation transport system, ELTRO 多功能磁悬浮运输系统的能源效率分析程序
A. S. Moe, V. Glushenkov, V. G. Komarov
The article is devoted to the program for energy efficiency analysis of the multifunctional magnetic levitation transport system “ELTRO”. The characteristics of the levitation force and thrust of an integral traction-levitation module for a Maglev vehicle using the electromagnetic field of both an electromagnet and a permanent magnet are presented. Due to the use of permanent magnets, it can levitate with less current. In this paper, we predict the characteristics of the levitation force and thrust depending on the air gap and the current of the adjustment coil.
本文介绍了多功能磁悬浮运输系统“ELTRO”的能效分析方案。介绍了在电磁体和永磁体电磁场作用下磁悬浮车辆整体牵引-悬浮模块的悬浮力和推力特性。由于使用了永磁体,它可以用较小的电流悬浮起来。在本文中,我们预测了悬浮力和推力随气隙和调节线圈电流的变化特性。
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引用次数: 1
Integration of DGs Optimally to Enhance the Voltage Profile and Stability Index of Distribution Grid 优化dg集成提高配电网电压分布和稳定指标
M. Tolba, V. Tulsky
The industries, communication systems, nuclear installations, hospitals, and etc are suffering from voltage degradation, due to increasing energy demand that cause insufficient operation in power systems. Because of the importance of Distributed Generators (DGs) technically and economically, they are considered the most crucial solutions. This research work introduces a robust methodology based Political optimizer (PO) and Objective Function Approach (OFA) ensuring the global optimum of the critical integration of DGs in the distribution grid. The proposed PO technique proved its quality and precision to find out the allocation of DGs based on OFA to boost the voltage-profile and stability besides minifying the system costs and losses. The MATLAB package” is utilized to perform the numeral results.
工业、通信系统、核设施、医院等都受到电压下降的影响,原因是能源需求的增加导致电力系统运行不足。由于分布式发电机(dg)在技术和经济上的重要性,它们被认为是最关键的解决方案。本文介绍了一种基于政治优化器(PO)和目标函数法(OFA)的鲁棒方法,以确保配电网中dg关键集成的全局最优。结果表明,基于OFA的dg分配方法在降低系统成本和损耗的同时,提高了系统的电压分布和稳定性。利用MATLAB软件包进行数值计算。
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引用次数: 2
期刊
2021 3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering (REEPE)
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