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2013 International Electric Machines & Drives Conference最新文献

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Development of closed-form solutions for fast thermal modeling of rotating electric machinery 旋转电机快速热建模封闭解的发展
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556189
V. T. Buyukdegirmenci, M. Magill, S. Nategh, P. Krein
{"title":"Development of closed-form solutions for fast thermal modeling of rotating electric machinery","authors":"V. T. Buyukdegirmenci, M. Magill, S. Nategh, P. Krein","doi":"10.1109/IEMDC.2013.6556189","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556189","url":null,"abstract":"Accurate knowledge of winding temperature is critical for the control, protection, and real-time monitoring of high-performance electric machines. Lumped parameter and finite element analyses can be used to model thermal stress, but both have drawbacks in applications where fast estimates of local temperature distributions are necessary. To overcome this, a closed-form solution for the steady-state stator temperature distribution over one slot pitch in a radial air gap electric machine is presented. Machine symmetry and material thermal properties are used to create a representative layer model in which a solution to Laplace's equation is developed. In addition to lumped parameter and three-dimensional (3D) finite element models, the method is verified through experimental results. Analytical model winding temperature predictions are within about 2.5% of finite element model predictions. Estimates of stator slot, tooth, and end-winding temperatures are within 7% of experimental measurements. The results are shown to have value for parametric machine design and protection.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134174665","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
Design of several permanent magnet synchronous generators for high power traction applications 大功率牵引用永磁同步发电机的设计
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556196
M. Aydin, M. Guven
{"title":"Design of several permanent magnet synchronous generators for high power traction applications","authors":"M. Aydin, M. Guven","doi":"10.1109/IEMDC.2013.6556196","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556196","url":null,"abstract":"In this paper, different axial gap permanent magnet generators are designed and compared for one of the Caterpillar truck applications. Various axial gap designs with multiple stators and rotors are carried out and compared with a conventional PM generator in terms of torque density, efficiency, loss, heat dissipation, volume, inertia and weight. The results reveal the advantages of axial gap generators over radial gap generators and that internal rotor double stator disc generator fits the hybrid electric traction application with the given specifications.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133034623","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
Comparing different rotor structures in superconducting synchronous motors 超导同步电动机转子结构的比较
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556226
P. Elhaminia, J. Yaghoobi, M. Yazdanian, M. Zolghadri, M. Ferdowsi
{"title":"Comparing different rotor structures in superconducting synchronous motors","authors":"P. Elhaminia, J. Yaghoobi, M. Yazdanian, M. Zolghadri, M. Ferdowsi","doi":"10.1109/IEMDC.2013.6556226","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556226","url":null,"abstract":"Two major structures for rotor core of superconducting synchronous machine are air-cored and magnetic-cored structures. Magnetic-cored structure can be divided into two categories including salient and non-salient magnetic core. In this paper, three different structures of superconducting synchronous machine comprising air-cored, non-salient magnetic-cored and salient magnetic-cored, have been studied and compared considering required superconducting wire and machine weight. Required superconducting wire determines the capital cost and the weight of the machine determines the running cost in the case of portable applications such as ships and aircrafts.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133179478","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
Rapid high fidelity finite element-based synchronous machine model for system simulations 基于快速高保真度有限元的同步电机系统仿真模型
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556211
I. Brown, G. Sizov, N. Demerdash
{"title":"Rapid high fidelity finite element-based synchronous machine model for system simulations","authors":"I. Brown, G. Sizov, N. Demerdash","doi":"10.1109/IEMDC.2013.6556211","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556211","url":null,"abstract":"This paper proposes a technique for rapid high fidelity finite element based synchronous machine models for use in system simulators. The computational efficient finite element procedure, CE-FEA, is used to construct harmonic flux linkage arrays for a range of current inputs. In the system simulator, a map is constructed relating rotor position as an input to relate instantaneous flux linkage and d and q axis currents. Using rotor position and flux linkages as inputs from the system simulator and interpolating the flux linkage map, the phase currents of the synchronous machine are determined. In the system simulation, the phase currents are modeled as dependent current sources. This technique allows for the modeling of space and time harmonics, saturation, and cogging torque within the system simulator without directly coupling the finite element solver. Three examples of system simulation results are shown for an interior permanent magnet synchronous machine.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122236921","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
Mutual-inductance modelling in line-start permanent-magnet synchronous machines based on winding-function theory 基于绕组函数理论的线路起动永磁同步电机互感建模
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556157
B. Wymeersch, F. De Belie, C. Rasmussen, F. Jensen, L. Vandevelde
{"title":"Mutual-inductance modelling in line-start permanent-magnet synchronous machines based on winding-function theory","authors":"B. Wymeersch, F. De Belie, C. Rasmussen, F. Jensen, L. Vandevelde","doi":"10.1109/IEMDC.2013.6556157","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556157","url":null,"abstract":"In this paper an analytic method to study space-harmonic effects and to map the influences of geometric design parameters on the line-start permanent-magnet synchronous machine (LSPMSM) dynamic performance (start-up and other transients) is presented, based on Winding Function Theory (WFT). The mutual inductances between a rotor, containing barriers and iron bridges near the magnets, and a stator with concentric windings are computed. As the iron bridges near the magnets are in saturation due to the high magnetic field of the magnets, the assumption is made to represent the rotor in different parts. Each part has a high permeability, and is separated by a layer of low permeable material, i.e. the magnets, the saturated bridges and the barriers. The magnetic coupling is described, and the different computation methods to obtain mutual inductance values are given. Using finite element methods (FEM) the WFT-resulting inductances are verified.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125005774","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
On-board integrated battery chargers for electric vehicles using nine-phase machines 九相电机电动汽车车载集成电池充电器
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556257
I. Subotic, E. Levi, Martin Jones, D. Graovac
{"title":"On-board integrated battery chargers for electric vehicles using nine-phase machines","authors":"I. Subotic, E. Levi, Martin Jones, D. Graovac","doi":"10.1109/IEMDC.2013.6556257","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556257","url":null,"abstract":"The paper considers on-board battery charging of electrical vehicles (EV) using a three-phase voltage source and a nine-phase propulsion motor. The nine-phase inverter and induction machine are fully integrated into the charging process. The proposed integrated on-board battery charger has an advantage of unity power factor operation with no torque production in the machine during the charging mode. Moreover, there is no need for any hardware reconfiguration between the charging and propulsion mode. The principle of the charging mode operation is based on the additional degrees of freedom that exist in nine-phase machines and that can be conveniently utilized to achieve charging through the machine's stator windings with zero electromagnetic torque. Detailed theoretical analysis is reported for asymmetrical and symmetrical nine-phase systems. For both systems control in the charging mode is discussed, and the theoretical considerations are validated by simulations.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125534310","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: 28
Performance of a five-phase boost inverter-fed submersible induction machine 五相升压逆变器供电式潜水感应电机的性能
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556251
Ahmed A. Hakeem, A. Elserougi, A. Abdel-Khalik, S. Ahmed, A. Massoud
{"title":"Performance of a five-phase boost inverter-fed submersible induction machine","authors":"Ahmed A. Hakeem, A. Elserougi, A. Abdel-Khalik, S. Ahmed, A. Massoud","doi":"10.1109/IEMDC.2013.6556251","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556251","url":null,"abstract":"An electrical submersible pump (ESP) motor is preferably fed from a low voltage variable-frequency drive (VFD) followed by a step-up transformer. The motor and drive connection through a long feeder usually causes over voltage problems due to the travelling wave phenomenon, hence, filter networks on motor or inverter terminals are mandatory. The so-called boost-inverter intrinsically solves this problem as it offers a direct sinusoidal output voltage with voltage boosting capability. Hence, the conventional boosting stage and the filters can be dispensed with. This paper investigates the performance of a five-phase modular winding induction machine fed from a boost-inverter through a long feeder. The possible automated winding of a five-phase modular induction machine has stimulated its worthiness as an alternative to the conventional manually wound machines typically used in such applications. A simulation study using a 1000Hp system and experimental investigation on a 1Hp prototype machine are used to support the presented theory.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129533150","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
Detection of defects in stator winding of inverter fed induction machines 变频感应电机定子绕组缺陷的检测
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556241
G. Stojcic, T. Wolbank
{"title":"Detection of defects in stator winding of inverter fed induction machines","authors":"G. Stojcic, T. Wolbank","doi":"10.1109/IEMDC.2013.6556241","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556241","url":null,"abstract":"Inverter fed drive has become to one of the most important components of modern industrial facilities and propulsion systems. Growing demands on efficiency lead to higher wear of the drive systems and the risk of breakdowns. Unexpected outages of the drive system lead to high economic and/or safety losses. Detecting faults in an early stage helps increase the reliability and reduce the risk of breakdown. Beside short-circuit faults, open-circuit faults count to the most frequent reasons for the breakdown of the winding system. Starting with a crack or cross section deformation of the stator winding conductors the open-circuit fault induces an increased resistance in the corresponding phase. Detecting such small resistance changes provides the possibility to react timely on the developing fault. In this paper a method is presented to detect incipient open-circuit faults in the stator windings of an inverter fed drive. The method gets along with the hardware already present in modern drives, no additional sensors are required. By Applying voltage steps to the machine terminals and measuring the resulting current the phasor resistance can be estimated. By spatially combining the phase measurements of the resistance a phasor of the resistance symmetry can be introduced. With this phasor a high sensitive fault indicator is generated able to detect fault severity and position. Measurements on a laboratory test stand for different fault configurations prove the applicability and accuracy of the proposed method.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128903501","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
Comprehensive cost optimization study of high-efficiency brushless synchronous machines 高效无刷同步电机综合成本优化研究
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556291
G. Bramerdorfer, S. Silber, G. Weidenholzer, W. Amrhein
{"title":"Comprehensive cost optimization study of high-efficiency brushless synchronous machines","authors":"G. Bramerdorfer, S. Silber, G. Weidenholzer, W. Amrhein","doi":"10.1109/IEMDC.2013.6556291","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556291","url":null,"abstract":"Due to the increasing significance of energy saving, multiple regulations have been introduced by countries or international organizations regarding the efficiency of electric drives, e.g. the IEC 60034-30 [1]. In the past, many companies replaced induction machines (IMs) by permanent magnet excited synchronous machines (PMSMs). This lead to a considerable increase of the efficiency, but due to the fluctuating price of the permanent magnets, especially of Neodymium-Iron-Boron(NdFeB)-magnets, the cost of PMSMs is hardly predictable. Therefore, many manufacturers are investigating in synchronous reluctance machines (SyncRM) now. In this article, the motor design for standardized rated power Prate = 3kW and nominal synchronous speed of nrate = 1500rpm is taken into consideration. Different motor topologies are analyzed regarding the trade-off between efficiency and material costs, including PMSMs and SyncRMs. This is done for two different cost scenarios. Finally, the cheapest designs that fulfill the IE-2 and IE-3 requirements, respectively, can be determined.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117226048","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: 33
Prediction of vibration in permanent magnet synchronous machines 永磁同步电机振动预测
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556264
Chenjie Lin, B. Fahimi
{"title":"Prediction of vibration in permanent magnet synchronous machines","authors":"Chenjie Lin, B. Fahimi","doi":"10.1109/IEMDC.2013.6556264","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556264","url":null,"abstract":"This paper introduces an alternative method for analysis of vibration in permanent magnet synchronous machines. An input-output model for prediction of vibration in the stator frame is developed. In addition, a proposed transfer function is derived using an experimental approach. Based on the transfer function, stator frame vibration in PMSM can be computed. Finally, experimental results are provided for verification.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117254561","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: 2
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