2015 IEEE International Electric Machines & Drives Conference (IEMDC)最新文献

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Equivalent thermal conductivity determination of winding insulation system by fast experimental approach 用快速实验法测定绕组绝缘系统等效导热系数
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409216
A. Boglietti, E. Carpaneto, M. Cossale, Mircea Popescu, D. Staton, S. Vaschetto
{"title":"Equivalent thermal conductivity determination of winding insulation system by fast experimental approach","authors":"A. Boglietti, E. Carpaneto, M. Cossale, Mircea Popescu, D. Staton, S. Vaschetto","doi":"10.1109/IEMDC.2015.7409216","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409216","url":null,"abstract":"One of the main issues to be faced during the implementation of thermal model for electrical machines is the correct selection of some thermal parameters that cannot be computed using analytical equations. The paper is focused on the thermal conductivity of the winding insulation system, which depends on the used insulation materials and on the insulation manufacturing process. A short-time thermal transient test is adopted to evaluate the thermal resistance between winding and stator lamination as well as the equivalent thermal conductivity of the insulation. In addition, the method is extended for evaluating the specific heat of the insulation system. The procedure has been tested on a set of four industrial induction motors with rated power ranging from 1.5 kW up to 4 kW.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"1 1","pages":"1215-1220"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89003793","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: 10
Characteristics comparison and selection guide for magnetic materials used in electrical machines 电机用磁性材料的特性比较和选择指南
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409206
A. Krings, M. Cossale, A. Tenconi, J. Soulard, A. Cavagnino, A. Boglietti
{"title":"Characteristics comparison and selection guide for magnetic materials used in electrical machines","authors":"A. Krings, M. Cossale, A. Tenconi, J. Soulard, A. Cavagnino, A. Boglietti","doi":"10.1109/IEMDC.2015.7409206","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409206","url":null,"abstract":"This paper presents an up-to-date magnetic material investigation and overview on magnetic materials used in rotating electrical machines. The focus is on small to medium-sized high-performance and high-efficiency permanent-magnet and induction motors for different application scenarios. The investigated materials include silicon-iron, nickel-iron, and cobalt-iron lamination steels, as well as soft magnetic composites and amorphous magnetic materials. The technical focus is on the magnetic properties and iron losses as well as the manufacturing influence and required thermal treatments during the manufacturing process. A new loss to flux density factor is introduced to compare the B H magnetization curve and the iron losses of different materials in the same diagram. The aim of the paper is to give the machine designer an efficient material overview and selection guide during the early machine design process.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"124 1","pages":"1152-1157"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87943441","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: 15
Analysis of the starting transient of a synchronous reluctance motor for direct-on-line applications 直接在线同步磁阻电动机起动暂态分析
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409047
A. Castagnini, Tero Kansakangas, J. Kolehmainen, P. S. Termini
{"title":"Analysis of the starting transient of a synchronous reluctance motor for direct-on-line applications","authors":"A. Castagnini, Tero Kansakangas, J. Kolehmainen, P. S. Termini","doi":"10.1109/IEMDC.2015.7409047","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409047","url":null,"abstract":"Current industrial trend shows a growing interest towards energy efficiency within industrial processes. In this field, electric motors play a paramount role. Traditionally, high efficiency applications have been satisfied through rare-earth (RE) permanent magnet (PM) motors run by a variable speed drive (VSD). However, also PM motors for direct-on-line applications have been manufactured for years, having though very special and limited applications as target. Due to the increasing cost of RE materials from one side and the intrinsic simplicity that lies in avoiding frequency converters on the other side, the attention has been focusing on the possibility to extend direct-on-line applications also to other synchronous technologies, such as synchronous reluctance, which is revealing its potential in terms of sustainability and environmental safety. This target is achievable by installing a squirrel-cage within the rotor, to enable asynchronous starting while preserving performances of the synchronous technology at steady state. The aim of this work is to report and comment starting tests on a synchronous reluctance motor (SynRM) for direct-on-line operation, in which the squirrel cage has been obtained by filling the flux barriers of a state-of-art SynRM with aluminum through a casting process. Related finite element analyses and comparisons with an equivalent induction motor are also included.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"26 1","pages":"121-126"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86681107","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: 23
Proposed methodology to combine design concept and manufacturing process selection for distributed wound stator cores 提出了将分布式绕线定子铁芯的设计理念与制造工艺选择相结合的方法
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409230
D. Ogilvie, S. Ratchev, C. Gerada, S. Grace
{"title":"Proposed methodology to combine design concept and manufacturing process selection for distributed wound stator cores","authors":"D. Ogilvie, S. Ratchev, C. Gerada, S. Grace","doi":"10.1109/IEMDC.2015.7409230","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409230","url":null,"abstract":"Current induction motor designs account for the majority of the motors used in the world today. However, their designs have not evolved to the extent to which permanent magnet machines have within the automotive and industrial sectors. Current methods of assembling distributed wound stator cores have the known issues of high process scrap, low slot fill and winding quality issues caused by assembly tooling. Design for Manufacturing and Assembly (DFMA) can remove these manufacturing issues but there is a conflict between DFMA and motor performance. By quantitatively assessing conventional and novel stator core design features and the available manufacturing technologies, this paper proposes a method of motor component design and process selection which enables multiple novel component design features to be effectively combined and assessed for their manufacturability and their electromagnetic performance. Using this methodology, this paper also shows that there are clear limitations to the current manufacturing technology used for stator core production.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"188 1","pages":"1305-1311"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83456364","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
Transient loss minimization in induction machine drives using optimal control theory 基于最优控制理论的感应电机驱动暂态损耗最小化
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409304
S. Plathottam, H. Salehfar
{"title":"Transient loss minimization in induction machine drives using optimal control theory","authors":"S. Plathottam, H. Salehfar","doi":"10.1109/IEMDC.2015.7409304","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409304","url":null,"abstract":"Loss minimization during transient operation is an often neglected in most induction machine applications. However, loss minimization can greatly improve efficiency in case of fast changing load torques or reference speed profiles. Optimal control theory has been successfully applied previously to develop control laws that minimize losses during transients. All previous works were based on the field oriented induction machine model. In this paper, however, an optimal control problem based on the non-field oriented induction machine model is developed and simulated. Additionally, a more comprehensive cost functional is developed and utilized that would guarantee a stable steady state operation of the machine. Offline optimal control histories are generated using the conjugate gradient method. The performance of the proposed control law is verified through simulation and the results are compared with those from an indirect field oriented controller.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"45 1","pages":"1774-1780"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76461922","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: 7
Analysis of driving cycles effects on power supply requirements of a fuel cell powered light-weight electric vehicle 驱动循环对燃料电池动力轻型电动汽车供电需求的影响分析
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409160
V. Boscaino, R. Miceli
{"title":"Analysis of driving cycles effects on power supply requirements of a fuel cell powered light-weight electric vehicle","authors":"V. Boscaino, R. Miceli","doi":"10.1109/IEMDC.2015.7409160","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409160","url":null,"abstract":"In this paper, fuel cell powered lightweight vehicles are addressed. A MATLAB/Simulink simulation model including motor, electrical drive, the fuel cell and power electronics systems is implemented. The model is well suited to perform the driving cycle test, which reproduces the speed pattern of an electric vehicle through urban, rural or motorway routes. This paper aims at investigating the most suited driving cycle to design high performances hybrid power supply for electric vehicles in terms of cruising range, cost and size of the power supply equipment. For this purpose, a legislative and a real-world driving cycles are selected. Effects of driving cycles on the power system requirements and size are investigated by the analysis of simulation results. Experimental results on the laboratory prototype are shown to validate the proposed analysis.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"47 1","pages":"853-859"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89844572","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
Brushless doubly-fed induction machines: Torque ripple 无刷双馈感应电机:转矩脉动
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409205
T. Strous, Xuezhou Wang, H. Polinder, J. A. Bram Ferreira
{"title":"Brushless doubly-fed induction machines: Torque ripple","authors":"T. Strous, Xuezhou Wang, H. Polinder, J. A. Bram Ferreira","doi":"10.1109/IEMDC.2015.7409205","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409205","url":null,"abstract":"The brushless Doubly-Fed Induction Machine (DFIM) without its brush-gear and slip-rings seems interesting as successor of the normal DFIG in wind turbine drivetrains. However, the brushless DFIM magnetic field has a rich space-harmonic spectrum, which causes additional torque ripple. This paper focuses on torque ripple in the brushless DFIM. The causes and origin of torque ripple are discussed and an analytical model is developed that derives the torque ripple from the air-gap magnetic field distribution. Further, a finite element method for torque ripple calculation is presented. Both methods are used to calculate the torque response of a case study machine. Results are compared and the accuracy of the analytical model is validated with good result. The analytical model is then used to further analyse the torque ripple, resulting in exact torque ripple frequencies and additional insight in the cause of the torque ripple.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"28 1","pages":"1145-1151"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72740567","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: 12
Tri-port converter for flexible energy control of PV-fed electric vehicles 用于光伏供电电动汽车柔性能量控制的三端口转换器
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409193
Yihua Hu, C. Gan, W. Cao, Youtong Fang
{"title":"Tri-port converter for flexible energy control of PV-fed electric vehicles","authors":"Yihua Hu, C. Gan, W. Cao, Youtong Fang","doi":"10.1109/IEMDC.2015.7409193","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409193","url":null,"abstract":"Electric vehicles (EVs) provide a feasible solution to reducing greenhouse gas emissions and thus become a heated topic for research and development. Switched reluctance motors are one of promised motors for EV applications. In order to extend the EVs' driving miles, the use of photovoltaic (PV) panels on the vehicle helps decrease the reliance on vehicle batteries. Based on phase winding characteristics of SRMs, a tri-port converter is proposed in this paper to control the energy flow between the PV panel, battery and SRM. Six operating modes are presented, four of which are developed for driving and two for standstill onboard charging. In the driving modes, the energy decoupling control for maximum power point tracking (MPPT) of the PV panel and speed control of the SRM are realized. In the standstill charging modes, a grid-connected charging topology is developed without a need for external hardware. When the PV panel directly charges the battery, a multi-section charging control strategy is used to optimize energy utilization. Simulation results based on Matlab/Simulink and experiments on a 3kW SRM prove the effectiveness of the proposed tri-port converter, which has potential economic implications to improve the market acceptance of EVs.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"44 1","pages":"1063-1070"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73418164","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: 7
Design of PM free brushless AC machine based actuators for elevated temperature environments 基于永磁无刷交流电机的高温环境执行器设计
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409135
Klaus Lang, A. Muetze, R. Bauer, W. Rossegger
{"title":"Design of PM free brushless AC machine based actuators for elevated temperature environments","authors":"Klaus Lang, A. Muetze, R. Bauer, W. Rossegger","doi":"10.1109/IEMDC.2015.7409135","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409135","url":null,"abstract":"This paper discusses the design process of permanent magnet free brushless AC machine based actuators working in elevated-temperature environments for high-dynamic applications. Both demands given by the application with respect to maximum volume, torque over speed performance and the thermal limits of the insulation materials, which limit the maximal loss that may occur, have to be considered. Starting from the geometry, semi-analytic modelling approaches are used within an optimisation algorithm to obtain a machine design suitable for this application.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"5 1","pages":"696-702"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75750242","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
Impact of position sensor accuracy on the performance of propulsion IPM drives 位置传感器精度对推进IPM驱动器性能的影响
2015 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2015-05-10 DOI: 10.1109/IEMDC.2015.7409175
S. Gopalakrishnan, L. Hao, C. Namuduri, K. Rahman, A. Omekanda, C. Freitas
{"title":"Impact of position sensor accuracy on the performance of propulsion IPM drives","authors":"S. Gopalakrishnan, L. Hao, C. Namuduri, K. Rahman, A. Omekanda, C. Freitas","doi":"10.1109/IEMDC.2015.7409175","DOIUrl":"https://doi.org/10.1109/IEMDC.2015.7409175","url":null,"abstract":"This paper addresses the influence of rotor position sensor accuracy on the performance of the Interior Permanent Magnet (IPM) motor drives used for automotive propulsion application. Analytical equations for the torque production in IPM machines show that the machine output torque drops sharply with angle error at high operating speeds. This also shows the need for rotor position feedback with high accuracy and resolution, especially for operation in the flux weakening region. Finite element analysis was performed to substantiate this conclusion and also to estimate the torque and power degradation due to the position sensor error. The torque/speed curves on an experimental drive system was measured on the dyno to corroborate the analytical and simulation results. The dynamic angle error of a typical high resolution/accuracy sensor was measured on the test bench at various operating speeds and temperatures and the measured data was used for computing the impact of angle error on the torque ripple. The details of these results are presented in the paper.","PeriodicalId":6477,"journal":{"name":"2015 IEEE International Electric Machines & Drives Conference (IEMDC)","volume":"92 25 1","pages":"946-952"},"PeriodicalIF":0.0,"publicationDate":"2015-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81270336","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: 12
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