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A stiffening technique to improve the dynamical response of cage rotors 改善保持架转子动力响应的加筋技术
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665212
G. Caruso, F. Maceri
{"title":"A stiffening technique to improve the dynamical response of cage rotors","authors":"G. Caruso, F. Maceri","doi":"10.1109/ESARS.2010.5665212","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665212","url":null,"abstract":"In this paper a stiffening technique for cage rotors of induction machines is proposed and analyzed, aimed at reducing the mechanical oscillations excited by the traction torque harmonics. The solution is simple, consisting of stiffening blocks inserted between couples of adjacent copper bars, overhanging from the rotor stack. The insertion of the stiffening blocks yields an increase of the lowest natural frequencies of the rotor, shifting them beyond the frequency range of the main torque harmonics. As a consequence, the fatigue stress arising at the junction between bars and end-rings during service are reduced, and the operative life of the rotor is increased.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129207029","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
Analysis of operating modes of electric motors for locomotive LE 040–3400kW modernized le040 - 3400kw现代化机车电动机运行模式分析
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665213
G. Popa, S. Arsene
{"title":"Analysis of operating modes of electric motors for locomotive LE 040–3400kW modernized","authors":"G. Popa, S. Arsene","doi":"10.1109/ESARS.2010.5665213","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665213","url":null,"abstract":"The analysis of the transitory regimes of the motor is very important for the tuning of electric parameters and of the maximal values of the oscillating electromagnetic torque. Current shocks cause torque shock. They send the appliance running and binding traction device. The analysis in this article is part of a larger study that follows electric locomotive modernization — LE-040–3500 kW. By equipping the locomotives with asynchronous motors, locomotive will get an installed power of 6300 kW. The analysis enables the optimal choice of measurements regulating with direct effect on performance of traction.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116581525","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: 3
Voltage coupled to wayside interconnecting cables 耦合到路旁互连电缆的电压
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665242
A. Mariscotti
{"title":"Voltage coupled to wayside interconnecting cables","authors":"A. Mariscotti","doi":"10.1109/ESARS.2010.5665242","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665242","url":null,"abstract":"The voltage coupled to wayside cables is a very common EMC interface in electric transportation system, that has impact on several subsystems. The choice of the calculation method and its accuracy influences the design and its optimization. Some real cases are used as an example to identify the relevant elements and to derive some general rules to guide the choice.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125011476","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: 4
Study of fuzzy logic controller for ZCS Boost converter ZCS升压变换器模糊控制器的研究
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665233
J. Corcau, A. Coman, L. Dinca, T. Grigorie
{"title":"Study of fuzzy logic controller for ZCS Boost converter","authors":"J. Corcau, A. Coman, L. Dinca, T. Grigorie","doi":"10.1109/ESARS.2010.5665233","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665233","url":null,"abstract":"In this paper a study of the fuzzy logic controller for ZCS Boost converter is presented. The fuzzy logic controller provides an adaptive control for better system performance and it is used for controlling the non-linear processes. FLC is designed to regulate the output voltage of the converter. The converter is modeled and analyzed using Matlab/Simulink software and it was designed in an closed-loop configuration. Simulations have shown its accuracy and they confirm the validity of technique used.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115241854","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: 6
Improvement of low-frequency system stability in 50-Hz railway-power grids by multivariable line-converter control in a distance-variation scenario 距离变化情况下多变量变流器控制改善50hz铁路电网低频系统稳定性
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665226
C. Heising, R. Bartelt, M. Oettmeier, V. Staudt, A. Steimel
{"title":"Improvement of low-frequency system stability in 50-Hz railway-power grids by multivariable line-converter control in a distance-variation scenario","authors":"C. Heising, R. Bartelt, M. Oettmeier, V. Staudt, A. Steimel","doi":"10.1109/ESARS.2010.5665226","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665226","url":null,"abstract":"Stability issues are a major concern in railway grids. Although these problems are most experienced in 16.7-Hz applications, low-frequency oscillations also occur in 50-Hz railway grids. In this paper, an advanced multivariable control concept is presented. Beside achieving very good dynamic behavior, the approach improves the introduced stability problem. The proper operation of the control is verified using measurement results. A time domain simulation verifies the stability problem caused by the state-of-the-art control and shows the improved performance of the multivariable control.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114744821","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: 11
Some aspects of rail and actuator used in electromagnetic lévitation systems — An Ansys based simulation study 电磁传动系统用导轨和执行机构的若干方面。基于Ansys的仿真研究
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665199
S. Baneqee, P. Biswas, R. Bhaduri
{"title":"Some aspects of rail and actuator used in electromagnetic lévitation systems — An Ansys based simulation study","authors":"S. Baneqee, P. Biswas, R. Bhaduri","doi":"10.1109/ESARS.2010.5665199","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665199","url":null,"abstract":"In this work FEM based analysis and design of different structure of rail (guide-way) and electromagnetic lévitation system (EMLS) has been performed utilizing ANSYS software. Actuator and guide-way are the most important part for magnetic lévitation system. Input power to lift power ratio and lift power magnet weight ratio are two major factors for designing actuator and rail in EMLS [1]. These factors are dependent on the magnet dimensions, required gap flux and hence the required current density in the winding The magnet configurations chosen on the basis of required pole-face area and necessary window area to house the excitation coils. There are various magnet and rail geometries; i.e. magnet with I, U and E profiles and various winding arrangements with flat and U-profile rail. A FEM analysis utilizing ANSYS software has done to find out the flux pattern, working flux density, field intensity, force etc. for different single actuator based lévitation system at different operating conditions. Different aspects of rail and actuator have been described based on the ANSYS simulation results. The main objective is to propose a suitable configuration of actuator and guide-rail for a specific DC electromagnetic lévitation system. The effect of different lévitation parameters like size of actuator and rail, current density, no of turns of coil, permeability of magnetic material, winding dimension etc. has been studied and will be included in the final version of the manuscript.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"212 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115771228","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
Measuring, modelling and correction actions for EMC assessment between high speed railway and medical equipment 高速铁路与医疗设备电磁兼容评定的测量、建模及校正措施
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665252
Dolores Alonso, J. Rulf, Ferran Silva, M. Pous, Jordi Coves, Raul Oriol
{"title":"Measuring, modelling and correction actions for EMC assessment between high speed railway and medical equipment","authors":"Dolores Alonso, J. Rulf, Ferran Silva, M. Pous, Jordi Coves, Raul Oriol","doi":"10.1109/ESARS.2010.5665252","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665252","url":null,"abstract":"This paper presents the correction actions proposed to achieve the Electromagnetic Compatibility between AC-50Hz 25kV electrified railway and the very sensitive medical equipment to be installed in a hospital over the railway tunnel. The proposed correction action is based on the floor-shielding of the area where the sensitive equipment will be installed. In order to validate the correctness of the solution, a simplified electromagnetic model had been developed and verified with some measurements, over existing railways operating in as similar as possible conditions. Finally, as the real conditions will be in a conductive soil, FEM techniques had been applied to the final performance calculus.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124387774","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: 5
Fault identification for “More Electric” Aircraft distribution systems “多电”飞机配电系统故障识别
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665258
Qian Zhou, Dave W. P. Thomas, M. Sumner
{"title":"Fault identification for “More Electric” Aircraft distribution systems","authors":"Qian Zhou, Dave W. P. Thomas, M. Sumner","doi":"10.1109/ESARS.2010.5665258","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665258","url":null,"abstract":"The proposals for the “More Electric Aircraft” place a significant, increased demand on the electrical power distribution system. To increase safety and reduce aircraft maintenance times on the ground, there is a greater need to quickly identify and locate electrical faults within the electrical distribution system. The work presented in this paper forms an initial study into the use of power system harmonic impedance measurement for identifying and locating faults within power cables. The method is passive — i.e. it does not require the injection of any test signals — and can potentially be embedded into a centralised equipment controller to provide intelligent, real time diagnostics. The method monitors the harmonic line-line self-impedance at strategic points in the distribution system; this is obtained by measuring load voltage and current. Faults can be identified and located within a few fundamental cycles, and therefore provides a “backup protection” system which does not require bus current measurement. It also can provide details of the fault location and could therefore be a significant aid to aircraft maintenance. The paper derives the theoretical basis of the scheme and provides simulation results for a proposed aircraft power system to demonstrate the validity of this approach to detect and locate faults within the system.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131837988","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: 4
Return conductor and feeder optimization for reducing electric and magnetic fields of electric railways 减小电气化铁路电场和磁场的回程导线和馈线优化
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665262
K. Friedl, E. Schmautzer, Gerald Propst
{"title":"Return conductor and feeder optimization for reducing electric and magnetic fields of electric railways","authors":"K. Friedl, E. Schmautzer, Gerald Propst","doi":"10.1109/ESARS.2010.5665262","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665262","url":null,"abstract":"The reduction of the low frequency electric and magnetic field of electric railways by optimization of the positions of return conductor(s) and feeder(s) is the focus of this paper. Possible optimization criteria are shown and further will be applied to the typical system configuration of a high performance Austrian railway track. The results of the optimization show, that there is a great potential of reducing the fields in certain areas. The issues of a practical implementation, the dependency on the horizontal position of the contact wire(s) as well as the constraints and possibilities of the optimization are discussed.","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121308010","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
Ship control system wide integration and the use of dynamic simulation techniques in the Fremm project 船舶控制系统的广泛集成和动态仿真技术在Fremm项目中的应用
Electrical Systems for Aircraft, Railway and Ship Propulsion Pub Date : 2010-12-10 DOI: 10.1109/ESARS.2010.5665266
S. Michetti, M. Ratto, A. Spadoni, M. Figari, M. Altosole, G. Marcilli
{"title":"Ship control system wide integration and the use of dynamic simulation techniques in the Fremm project","authors":"S. Michetti, M. Ratto, A. Spadoni, M. Figari, M. Altosole, G. Marcilli","doi":"10.1109/ESARS.2010.5665266","DOIUrl":"https://doi.org/10.1109/ESARS.2010.5665266","url":null,"abstract":"For the Italian Navy Multi Mission Frigates (Fremm) program, actually in progress (first ship will be delivered by Fincantieri in 2012), will be installed an advanced Ship Management System (SMS), evolution of the “Cavour” ship automation system, supplied by SEASTEMA (company owned by Fincantieri and ABB).","PeriodicalId":134406,"journal":{"name":"Electrical Systems for Aircraft, Railway and Ship Propulsion","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117133572","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: 13
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