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2008 18th International Conference on Electrical Machines最新文献

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Benchmark test of a variable speed unit for teaching purposes 教学用变速单元基准测试
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800230
B. Kawkabani, S. Duruz, A. Hodder, S. Robert, J. Simond
{"title":"Benchmark test of a variable speed unit for teaching purposes","authors":"B. Kawkabani, S. Duruz, A. Hodder, S. Robert, J. Simond","doi":"10.1109/ICELMACH.2008.4800230","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800230","url":null,"abstract":"Variable speed pump-turbine units have become nowadays an interesting way to increase stability of electrical power networks due to their high level of operating flexibility. Different advantages offered by variable speed pump-turbine units for both pumping and generating modes can be pointed out by means of either reliable simulation models or benchmark test devices. This paper presents a benchmark test of 3.3 kVA of a variable speed unit for teaching purposes. The control strategies for the transformer section and for the machine section are described. Comparisons between simulated and test results performed on this low power system are presented for different cases of operation (SVC effect, reactive power compensation, flywheel effect).","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"2078 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129828650","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
Transient-torque analysis for line-starting permanent-magnet synchronous motors 起动永磁同步电动机瞬态转矩分析
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4799826
A. Takahashi, S. Kikuchi, K. Miyata, S. Wakui, H. Mikami, K. Ide, A. Binder
{"title":"Transient-torque analysis for line-starting permanent-magnet synchronous motors","authors":"A. Takahashi, S. Kikuchi, K. Miyata, S. Wakui, H. Mikami, K. Ide, A. Binder","doi":"10.1109/ICELMACH.2008.4799826","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4799826","url":null,"abstract":"Using the analysis method for resolving the starting torque of line-starting permanent magnet (PM) synchronous machines with starting cage, the electromagnetic torque can be separated into two components, the driving ldquocage torquerdquo and the braking ldquomagnet torquerdquo. The correct saturation of the iron must be considered, when calculating the separate torque components. The sum of the two torque components exhibits a good agreement with the originally calculated starting torque with the Finite Element time stepping technique. This novel method also helps to have a better knowledge of the synchronization mechanism. Results are given for a two-pole prototype motor with PN=5 kW, nN=3000 min-1, VN=200 V, Y-connection.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130008096","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
A comparison between PMSM, EMSM and SMSM in a BAS application 在BAS应用中PMSM、EMSM和SMSM的比较
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800194
D. Hagstedt, F. Marquez, M. Alakula
{"title":"A comparison between PMSM, EMSM and SMSM in a BAS application","authors":"D. Hagstedt, F. Marquez, M. Alakula","doi":"10.1109/ICELMACH.2008.4800194","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800194","url":null,"abstract":"This paper presents a design study aiming to compare a PMSM, EMSM and an SMSM solution in order to find the most competitive one for the BAS application. The study is mainly based on FE calculations, which are contrasted with the results obtained from a common car alternator. The highlights are efficiency and torque characteristics, and the way they contribute to improve the most important features of an automotive application, size and costs.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130107876","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
Multiphysics approach to numerical modelling and analysis of permanent-magnet tubular linear motors 永磁管状直线电机的多物理场数值模拟与分析
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800015
I. Vese, F. Marignetti, M. Radulescu
{"title":"Multiphysics approach to numerical modelling and analysis of permanent-magnet tubular linear motors","authors":"I. Vese, F. Marignetti, M. Radulescu","doi":"10.1109/ICELMACH.2008.4800015","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800015","url":null,"abstract":"The paper presents a multiphysics modelling through finite-element (FE) numerical field analysis for coupling electromagnetic and thermal phenomena in a permanent-magnet tubular linear motor (PMTLM). 2-D axial-symmetry FE steady-state and transient solutions are first obtained for the magnetic flux density distribution, cogging force, thrust and losses of the prototype PMTLM. The FE magnetic field results are then coupled to the 3-D FE thermal simulation in order to get the PMTLM temperature distribution. The paper proves that the multiphysics numerical analysis is a viable tool for the design and performance optimization of PMTLMs.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"36 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129394988","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
Prediction-based ripple reduction in Direct Torque Control of an induction machine 感应电机直接转矩控制中基于预测的纹波减小
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800120
J. Beerten, J. Verveckken, J. Driesen
{"title":"Prediction-based ripple reduction in Direct Torque Control of an induction machine","authors":"J. Beerten, J. Verveckken, J. Driesen","doi":"10.1109/ICELMACH.2008.4800120","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800120","url":null,"abstract":"In this paper, a new prediction technique is presented in order to minimize both torque and flux ripple in direct torque control (DTC) of an induction machine. When the classical DTC scheme is implemented on a discrete-time base using a digital controller, the choice of the appropriate voltage vector is based on calculated values of torque and flux corresponding to the previous sampling moment. This time delay causes a large fraction of the overall ripple when the hysteresis bands are small compared to the maximum torque and flux variations during one sampling period. This paper aims to present a predictive scheme to correct for this time delay. The technique is characterized by its computational simplicity since it only makes use of the calculated effects of voltage vectors during the previous sampling intervals. The scheme does not require additional motor parameters and therefore shows the same robustness towards parameter variations as the conventional DTC scheme. The prediction scheme can be extended to compensate for an additional time delay when the sampling frequency is raised but the overall process time remains unchanged. Simulations and experimental results show the effectiveness of the proposed prediction scheme to reduce both torque and flux ripple.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129709660","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
Investigation of secondary conductor type of linear induction motor using the finite element method 二次导体型直线感应电动机的有限元研究
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800019
Byung-jun Lee, D. Koo, Yunhyun Cho
{"title":"Investigation of secondary conductor type of linear induction motor using the finite element method","authors":"Byung-jun Lee, D. Koo, Yunhyun Cho","doi":"10.1109/ICELMACH.2008.4800019","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800019","url":null,"abstract":"This paper presents the analysis of single-sided linear induction motors (SLIMs) for the application in various systems demanding direct linear motion. In order to investigate the characteristics of linear induction motor according to secondary conductor structures, five types of secondary slot shape usually used in rotary motors, were set and the equivalent circuit of SLIM is proposed and the equivalent parameters are computed. In addition, the characteristics such as the air-gap flux density, thrust, normal force, force ripple, speed response, and so on are analyzed by 2-D FEM with the external circuit, and then the results are compared.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129422717","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
Hybrid wind/microhydro power system associated with a supercapacitor energy storage device - experimental results 与超级电容器储能装置相结合的混合风/微水力发电系统的实验结果
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800026
S. Breban, M. Nasser, A. Vergnol, B. Robyns, M. Radulescu
{"title":"Hybrid wind/microhydro power system associated with a supercapacitor energy storage device - experimental results","authors":"S. Breban, M. Nasser, A. Vergnol, B. Robyns, M. Radulescu","doi":"10.1109/ICELMACH.2008.4800026","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800026","url":null,"abstract":"Association of wind power producing units, microhydro power plants and energy storage systems can ensure the stability of an islanded week power grid or can increase the penetration of these renewable energy sources into the large power networks. Experimental results presented in the paper demonstrate the effectiveness of this association. The microhydro power plant consists of a doubly-fed induction generator (DFIG) linked mechanically and electrically (through back-to-back power electronic converters in the rotor circuit) to a permanent-magnet synchronous machine (PMSM). The energy storage device considered is a supercapacitor connected through a bidirectional DC-DC converter to the DC-link of the hydropower station. This system is associated to a fixed-speed wind generator driven by a squirrel-cage induction machine.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129580477","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
Comparative analysis of dry transformers thermal design by applying finite element method 应用有限元法对干式变压器热设计进行对比分析
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4799983
O. Shariati, A. Seyyedi
{"title":"Comparative analysis of dry transformers thermal design by applying finite element method","authors":"O. Shariati, A. Seyyedi","doi":"10.1109/ICELMACH.2008.4799983","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4799983","url":null,"abstract":"In this paper, applying an instance of dry transformers thermal design equations is analyzed for constructing a relevant set. Afterwards, design thermal calculations are performed by applying the finite element method. Subsequently, a dry transformer is made and has gone under thermal tests. Finally, the results of its practical tests are compared with those obtained via each methodology applied. Through this approach, validity of each method, accuracy of the coefficients and the safety margin of each method is evaluated.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124621437","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
Educational bench: self-controlled synchronous machine 教学工作台:自控同步机
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800229
B. Nogarede, D. Harribey, Y. Lefèvre, F. Pigache
{"title":"Educational bench: self-controlled synchronous machine","authors":"B. Nogarede, D. Harribey, Y. Lefèvre, F. Pigache","doi":"10.1109/ICELMACH.2008.4800229","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800229","url":null,"abstract":"This article deals with the presentation of an experimental bench dedicated to the teaching of electromechanical systems during undergraduate curriculum. This bench permits to explain the main principles of an elementary synchronous motor by a practical approach of the physical phenomena. At first, students start to describe theoretically the motor based on the fundamental electromagnetic relations and concretise their calculations by a progressive realization of their coil windings and finally the electromechanical characterization of the motor. The educational approach is done in order to bring students to face with essential questions about machines and electrical drives.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131300217","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: 1
Development of a high torque spherical motor (2nd Report: Proposal of a hexahedron-octahedron based spherical stepping motor) 高转矩球形电机的研制(第二次报告:基于六面体-八面体的球形步进电机的设计方案)
2008 18th International Conference on Electrical Machines Pub Date : 2008-09-01 DOI: 10.1109/ICELMACH.2008.4800035
T. Yano
{"title":"Development of a high torque spherical motor (2nd Report: Proposal of a hexahedron-octahedron based spherical stepping motor)","authors":"T. Yano","doi":"10.1109/ICELMACH.2008.4800035","DOIUrl":"https://doi.org/10.1109/ICELMACH.2008.4800035","url":null,"abstract":"A novel stepping motor principle based on a pair of polyhedrons are proposed. At first, I will show the goal of my study and the design concept of high torque spherical motor. Next, the principle of the conventional stepping motor is reviewed. Then, I will explain how to expand the principle of the conventional stepping motor to the three dimensional space with an example of a regular hexahedron and a regular octahedron based spherical stepping motor. Some polyhedrons are introduced for the candidates of making the polyhedron based spherical stepping motors. The proposed spherical stepping motors will be wide working area and high-torque.","PeriodicalId":416125,"journal":{"name":"2008 18th International Conference on Electrical Machines","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125614086","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
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