发布求助
文献互助 智能选刊 最新文献

Russian Electrical Engineering最新文献

筛选
英文 中文
Modeling of the Overhead-Line Mode Using Long-Line Equations Taking into Account Corona Losses 使用考虑电晕损耗的长线方程建立架空线模式模型
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120040
A. B. Balametov
{"title":"Modeling of the Overhead-Line Mode Using Long-Line Equations Taking into Account Corona Losses","authors":"A. B. Balametov","doi":"10.3103/s1068371223120040","DOIUrl":"https://doi.org/10.3103/s1068371223120040","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Measurements of active power losses to corona in overhead transmission lines of ultrahigh voltage have established that these losses are a function of voltage (fourth to eighth) degree. A methodology, algorithm, and software implementation for modeling an active power losses to corona as a voltage function are proposed, taking into account the voltage distribution along the line. A program has been developed in the form of a computational module based on a long-line equation. Active power losses to corona are taken into account in the form of nonlinear conductivity. The program can be used to simulate steady-state conditions of AC overhead lines, as well as in design, analysis of optimal operating modes, and comparative analysis of the accuracy of simplified models.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770314","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
Methods of Balancing Phase Currents in Multiphase Step-Down DC Converters 平衡多相降压直流转换器中相电流的方法
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120118
N. Md. Rakhman, D. R. Farrakhov
{"title":"Methods of Balancing Phase Currents in Multiphase Step-Down DC Converters","authors":"N. Md. Rakhman, D. R. Farrakhov","doi":"10.3103/s1068371223120118","DOIUrl":"https://doi.org/10.3103/s1068371223120118","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Increasing the number of phases in step-down dc converters allows to increase power and has a positive effect on the energy efficiency of the converters. However, there is a problem of phase-current imbalance in such converters, which leads to uneven loading of the phases and does not allow to achieve the design power and efficiency. The article provides an overview of existing methods for current balancing in multiphase converters, and discusses their advantages and disadvantages.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770338","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
On the Possibility of Introducing an Integrated Starter–Generator into a Gas-Turbine Engine Body 关于在燃气涡轮发动机机体中引入集成起动发电机的可能性
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120106
M. V. Okhotnikov, I. G. Lisovin, V. E. Vavilov, F. R. Ismagilov
{"title":"On the Possibility of Introducing an Integrated Starter–Generator into a Gas-Turbine Engine Body","authors":"M. V. Okhotnikov, I. G. Lisovin, V. E. Vavilov, F. R. Ismagilov","doi":"10.3103/s1068371223120106","DOIUrl":"https://doi.org/10.3103/s1068371223120106","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The possibility of combining the starter and generator functions in a single device and its integration directly into a gas-turbine engine is considered. An assessment is made of the positive effect of the proposed integration, which is expressed in a reduction in weight and size and labor intensity during maintenance. Structural modeling of an integrated starter–generator is performed with an assessment of the temperature indicators determined in the generator elements during its operation. The effectiveness of such a solution is assessed, and further directions of research are outlined.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770311","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
The Effect of Transformer-Oil Aging on the Residual Service Life of the Transformer and Its Diagnostic Parameters 变压器油老化对变压器剩余使用寿命及其诊断参数的影响
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120143
A. S. Serebryakov, D. A. Semenov, E. A. Sbitnev, A. V. Sidorova
{"title":"The Effect of Transformer-Oil Aging on the Residual Service Life of the Transformer and Its Diagnostic Parameters","authors":"A. S. Serebryakov, D. A. Semenov, E. A. Sbitnev, A. V. Sidorova","doi":"10.3103/s1068371223120143","DOIUrl":"https://doi.org/10.3103/s1068371223120143","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>One of the methods for the diagnostics of the main insulation of power oil transformers is considered. The testing results for the main insulation of distribution and furnace transformers having different purpose and design are presented for three modes of operation: for a mode with no tank and oil, for a mode without oil and with a tank, and for a mode with a transformer immersed in an oil-filled tank. According to the results of testing, it has been found that the aging of transformer oil is characterized by a rapidly decaying exponent. Based on this, one can carry out transformer repair in a timely manner according to the technical condition of the transformer to prevent a sudden failure of the transformer.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770593","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
A Cooling Jacket Design for a Starter–Generator Body 起动发电机机身的冷却套设计
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s106837122312009x
A. V. Mesropyan, E. A. Pronin, E. O. Zharkov, I. F. Sayakhov, O. A. Yushkova
{"title":"A Cooling Jacket Design for a Starter–Generator Body","authors":"A. V. Mesropyan, E. A. Pronin, E. O. Zharkov, I. F. Sayakhov, O. A. Yushkova","doi":"10.3103/s106837122312009x","DOIUrl":"https://doi.org/10.3103/s106837122312009x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Results of designing a starter–generator cooling system are presented. Based on the results of numerical calculations, an optimal design is selected that provides maximum cooling upon meeting all the requirements.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"255 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770474","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
Design of Electric Motors for Unmanned Aerial Vehicles 无人驾驶飞行器电机的设计
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120155
R. R. Urazbakhtin, V. E. Vavilov, F. R. Ismagilov, D. F. Norkin
{"title":"Design of Electric Motors for Unmanned Aerial Vehicles","authors":"R. R. Urazbakhtin, V. E. Vavilov, F. R. Ismagilov, D. F. Norkin","doi":"10.3103/s1068371223120155","DOIUrl":"https://doi.org/10.3103/s1068371223120155","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Methods of designing electric motors for unmanned aerial vehicles (UAVs) are considered. The analysis shows that there is no established methodology for designing UAV electric motors that would take into account the peculiarities of their performance in various modes and allow determining the most efficient operating range of the electric motor. A method of designing UAV electric motors tied to their running modes is proposed. The method of designing an electric motor for UAVs in the Ansys Maxwell applied software suite is described.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770346","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
Calculation of the Propeller Group for a Drone in Takeoff Mode 计算起飞模式下无人机的螺旋桨组数
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120167
V. E. Vavilov, I. Kh. Khairullin, E. I. Mustaev, D. F. Norkin, R. R. Urazbakhtin
{"title":"Calculation of the Propeller Group for a Drone in Takeoff Mode","authors":"V. E. Vavilov, I. Kh. Khairullin, E. I. Mustaev, D. F. Norkin, R. R. Urazbakhtin","doi":"10.3103/s1068371223120167","DOIUrl":"https://doi.org/10.3103/s1068371223120167","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A technique for determining the drag torque of an air propeller incorporated into the propeller group of a drone using three-dimensional numerical simulation with the use of the STAR CCM+ software package is presented. The aerodynamic characteristics of the propeller calculated with the use of computational gas-dynamics approaches are presented. The electric-motor calculation for a drone has been carried out with the use of the RMxprt and ANSYS Maxwell software packages. The main machine operating parameters of the electric machine are presented. The motor torque and propeller drag torque have been compared.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"102 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770472","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
On the Mechanical Strength of Rotors with a Dual-Phase Magnetic Material 论使用双相磁性材料的转子的机械强度
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120131
I. F. Sayakhov, O. A. Yushkova, A. A. Zherebtsov, E. A. Pronin, V. E. Vavilov
{"title":"On the Mechanical Strength of Rotors with a Dual-Phase Magnetic Material","authors":"I. F. Sayakhov, O. A. Yushkova, A. A. Zherebtsov, E. A. Pronin, V. E. Vavilov","doi":"10.3103/s1068371223120131","DOIUrl":"https://doi.org/10.3103/s1068371223120131","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Dual-phase magnetic material, despite the complex technology of its production, remains one of the promising design solutions for a number of electric machines, which can remove their inherent disadvantages and improve their output characteristics. The possibility of controlling the magnetic flux direction increasingly strongly attracts research community’s attention; however, most of the issues are still not covered in publications. One of them is maintenance of satisfactory mechanical characteristics of rotors with permanent magnets recessed into the magnetic circuit to increase the maximum possible rotation speed. Mechanical characteristics of the rotor with permanent magnets recessed into the magnetic circuit are analyzed. Numerical calculation show that the use of a two phase magnetic material can significantly enhance the mechanical strength of the rotor and increase the maximum possible rotational speed.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"80 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770348","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
Assessment of Submersible Electric-Motor Reliability 潜水电机可靠性评估
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120052
A. Yu. Demin, D. Yu. Pashali, O. A. Yushkova, A. A. Podguzov
{"title":"Assessment of Submersible Electric-Motor Reliability","authors":"A. Yu. Demin, D. Yu. Pashali, O. A. Yushkova, A. A. Podguzov","doi":"10.3103/s1068371223120052","DOIUrl":"https://doi.org/10.3103/s1068371223120052","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>This paper analyzes the main factors affecting the reliability of submersible electric motors and their failure rate. The main reliability criteria of submersible electric motors and quantitative indicators for their assessment are selected. A reliability calculation and analysis of winding wires used in submersible electric motors are carried out, and recommendations on the submersible electric motor reliability are provided.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139770341","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
Improvement of Aviation Electric-Generator Cooling Efficiency by Means of Thermoelectric Converters 利用热电转换器提高航空发电机冷却效率
Russian Electrical Engineering Pub Date : 2024-02-08 DOI: 10.3103/s1068371223120027
Yu. V. Afanasyev, D. Yu. Pashali, V. E. Vavilov, I. Kh. Khairullin, O. A. Yushkova
{"title":"Improvement of Aviation Electric-Generator Cooling Efficiency by Means of Thermoelectric Converters","authors":"Yu. V. Afanasyev, D. Yu. Pashali, V. E. Vavilov, I. Kh. Khairullin, O. A. Yushkova","doi":"10.3103/s1068371223120027","DOIUrl":"https://doi.org/10.3103/s1068371223120027","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>An aircraft electric-generator design and method of cooling it are considered that allow one to increase the cooling intensity, reduce or eliminate the pumping of refrigerant, and, ultimately, increase the generator’s energy efficiency and reduce weight or increase the load. It has been established that the level of achieved efficiency depends mainly on the Seebeck and Peltier coefficients of semiconductor materials for converters and the ability to choose the location of thermoelements on the engine with the maximum temperature difference.</p>","PeriodicalId":39312,"journal":{"name":"Russian Electrical Engineering","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139773313","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信