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Copper loss minimizing torque control of IPMSM based on flux variables 基于磁通变量的永磁同步电机铜损最小转矩控制
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556282
Sung-Yoon Jung, Jinseok Hong, K. Nam
{"title":"Copper loss minimizing torque control of IPMSM based on flux variables","authors":"Sung-Yoon Jung, Jinseok Hong, K. Nam","doi":"10.1109/IEMDC.2013.6556282","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556282","url":null,"abstract":"The voltage and torque equation are written in terms of flux variables (λd, λq), instead of currents. Also, the voltage and current limits are depicted in the plane of (λd, λq). Then the voltage limits appear as circles centered at the origin, whereas the current limit appear as an ellipse. In the field weakening region, the voltage is utilized to the maximum. Hence, the only thing allowed to change in the field weakening region is the angle of the voltage so as to accommodate changes in speed and torque. In the flux setting, the voltage angle can be determined by an intersection point between the voltage circle and a torque line. That solution will be the copper loss minimizing point. However, it requires to solve a four order polynomial equation. In this work, a Taylor series approximation method is utilized to circumvent the difficulty of solving the fourth order equation. Desired performances were demonstrated by some experimental results.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"33 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":"124269894","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
High performance controllers for Interior Permanent Magnet Synchronous Machines using look-up tables and curve-fitting methods 高性能控制器的内部永磁同步电机使用查找表和曲线拟合的方法
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556263
J. G. Cintron-Rivera, Shanelle N. Foster, Carlos A. Nino-Baron, E. Strangas
{"title":"High performance controllers for Interior Permanent Magnet Synchronous Machines using look-up tables and curve-fitting methods","authors":"J. G. Cintron-Rivera, Shanelle N. Foster, Carlos A. Nino-Baron, E. Strangas","doi":"10.1109/IEMDC.2013.6556263","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556263","url":null,"abstract":"Interior Permanent Magnet Synchronous Machines (IPMSM) used in hybrid powertrain applications are required to deliver high efficiency over wide speed and torque ranges. The performance of any control algorithm is directly dependent on the accuracy of the parameters. Saturation and cross-saturation of permanent magnet synchronous machines are well recognized phenomena. Developing a controller utilizing either a two-dimensional look-up table or linear approximation of the machine parameters generated from characterization data will include the effects of saturation and cross-saturation and thereby achieve the desired performance. Both the look-up table and curve-fitting methods are implemented on a microcontroller. A 125kW IPMSM drive is used to experimentally evaluate both methods. The work presented here demonstrates that both the look-up table and curve-fitting methods provide satisfactory performance over the entire operating range. A comparison of the complexity of implementing both methods is included.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"82 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":"131480335","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: 14
Design of an energy sharing dual-escalator system based on the dual active bridge converter 基于双有源桥式变换器的能量共享双扶梯系统设计
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556324
Hejin Yang, Youyi Wang, Freddy Lim
{"title":"Design of an energy sharing dual-escalator system based on the dual active bridge converter","authors":"Hejin Yang, Youyi Wang, Freddy Lim","doi":"10.1109/IEMDC.2013.6556324","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556324","url":null,"abstract":"This paper proposes an energy sharing adjustable speed drive system for dual-escalator applications. The primary goal is to harvest the regenerative energy produced by downward running escalator and share the energy with the upward running escalator. Thus the system energy consumption is reduced. The energy sharing is realized by inter-connecting the DC buses of two adjustable speed drives. An isolated bi-directional dc/dc converter, or dual active bridge converter, is adopted to transfer the energy from one drive to another. This approach has better fault protection capability as compared with direct connecting the two dc buses. A voltage hysteresis control method is introduced to control the dual escalator system. The design concept and control method have been validated by Matlab/Simulink simulation.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"69 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":"130539350","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
Current control of six phase induction motor under open phase fault condition 缺相故障条件下六相异步电动机的电流控制
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556319
R. S. Miranda
{"title":"Current control of six phase induction motor under open phase fault condition","authors":"R. S. Miranda","doi":"10.1109/IEMDC.2013.6556319","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556319","url":null,"abstract":"In this paper, the analysis and design of current controller of a multiphase induction motor with open phase are proposed. The current controller is designed in the stationary reference frame where the multiphase machine is represented in two orthogonal subspaces called dq and xy. In fault conditions, the controller will be able to control the same dq reference current vector as normal operation and additional unbalanced xy reference current vector. To compensate this unbalancing, the current control scheme based on positive and negative-sequence controllers is used. A discussion and simulation of the strategies are presented.","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":"124593385","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
Optimizations of a permanent magnet machine targeting different driving cycles for electric vehicles 针对电动汽车不同行驶周期的永磁电机优化
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556198
Liang Chen, Jiabin Wang, P. Lazari, Xiao Chen
{"title":"Optimizations of a permanent magnet machine targeting different driving cycles for electric vehicles","authors":"Liang Chen, Jiabin Wang, P. Lazari, Xiao Chen","doi":"10.1109/IEMDC.2013.6556198","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556198","url":null,"abstract":"The paper assesses the influence of driving cycles on the design optimizations of permanent magnet machines for electric vehicle traction applications with the objective to minimize total loss over a defined driving cycle while satisfying performance specifications and design constraints. With the help of an efficient optimization methodology and tool, the optimizations against New European Drive cycle (NEDC), Artemis Urban Drive Cycle (Artemis), and the NEDC/Artemis combined cycle are carried out using Finite Element (FE) based technique. It is shown that for a surface mounted permanent magnet machine studied in the paper, the optimization results against the NEDC and Artemis exhibit distinct characteristics in terms of torque, speed, and energy loss distributions. Thus optimization trends for leading machine design parameters such as split ratio, stator tooth width, turn number per coil and magnet usage to minimize total loss for NEDC and Artemis are very different. For NEDC, the optimum design inclines to reduce high-speed copper loss and iron loss; for Artemis, it tries to minimize low-speed copper loss. Comparing the three optimized motors targeting different driving cycles, it is observed that they all have very high efficiency over a wide toque-speed range, and perform the best in their own target cycle, and with around 0.5% lower efficiency, or 10% higher loss in the other cycles with respect to the optimum values. Compared to the motor optimized for Artemis, the motors optimized against NEDC and the combined cycle result in close to 20% less magnets and less copper usage, making NEDC or the combined driving cycle a preferred optimization target.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"102 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":"124698410","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: 57
Feedback-based mitigation of torque harmonics in interior permanent magnet synchronous machines 基于反馈的内置式永磁同步电机转矩谐波抑制
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556151
N. Vaks, S. Pekarek, D. Horvath
{"title":"Feedback-based mitigation of torque harmonics in interior permanent magnet synchronous machines","authors":"N. Vaks, S. Pekarek, D. Horvath","doi":"10.1109/IEMDC.2013.6556151","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556151","url":null,"abstract":"Harmonics in the electromagnetic torque can be a source of concern in interior permanent magnet synchronous machine (IPMSM) drives. The harmonics are created by nonidealities in the electromagnetic fields produced by the magnets and the stator excitation. They lead to vibration that can cause premature wear of the drivetrain components as well as acoustic noise that may be bothersome to users. In this research, a feedback-based currentcontrol scheme has been developed to mitigate the torque harmonics.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"11 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":"122282411","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
Design procedure of a small-size axial flux motor with Halbach-type permanent magnet rotor and SMC cores 基于halbach型永磁转子和SMC铁芯的小型轴向磁通电机的设计过程
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556181
M. Andriollo, G. Bettanini, A. Tortella
{"title":"Design procedure of a small-size axial flux motor with Halbach-type permanent magnet rotor and SMC cores","authors":"M. Andriollo, G. Bettanini, A. Tortella","doi":"10.1109/IEMDC.2013.6556181","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556181","url":null,"abstract":"The paper proposes a novel configuration of a direct-drive single-side axial flux motor for hydraulic pump applications. The use of soft magnetic composites (SMC) for the rotor core and the stator poles enables a compact design, efficient and smooth operation, particularly profitable for home appliances. The electromagnetic analysis is carried out by simplified 2D finite element (FE) models, taking into account both the unconventional PM magnetization and the 3D end effects due to the specific geometric configuration by suitable correcting procedures. By the proposed approach, the influence of different design parameters on the motor performances can be investigated, to optimize the stator active material exploitation. The results are verified by both full 3D FE analyses and some measurements on a preliminary prototype.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"15 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":"129583877","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: 9
Diagnosis of stator short-circuit faults in an IPM synchronous machine using a space-vector pendulous oscillation method 空间矢量摆振法诊断IPM同步电机定子短路故障
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556174
Jiangbiao He, Andrew P. Strandt, Alia Manarik, Peng Zhang, N. Demerdash
{"title":"Diagnosis of stator short-circuit faults in an IPM synchronous machine using a space-vector pendulous oscillation method","authors":"Jiangbiao He, Andrew P. Strandt, Alia Manarik, Peng Zhang, N. Demerdash","doi":"10.1109/IEMDC.2013.6556174","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556174","url":null,"abstract":"Experimental characterization of interior permanent magnet (IPM) synchronous machines experiencing winding short-circuit faults is necessary in developing diagnostics indices to be used in detecting short-circuit winding faults. Known fault indices include the current spectrum analysis, the negative-sequence components method, and the space-vector based pendulous oscillation method. This paper applies all three methods to experimental turn-to-turn short-circuit fault data acquired from a 3.5 hp IPM motor energized by a PWM voltage source inverter. The results are compared and analyzed, and since none of the three methods presented unambiguously demonstrate the existence of a winding short-circuit fault, the practical difficulties of short-circuit fault detection and mitigation are discussed in that light.","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":"129632706","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
Prediction of magnetic hysteresis in the force of a pre-biased E-core reluctance actuator 预偏e芯磁阻执行器力磁滞的预测
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556334
N. H. Vrijsen, J. Jansen, E. A. Lornonova
{"title":"Prediction of magnetic hysteresis in the force of a pre-biased E-core reluctance actuator","authors":"N. H. Vrijsen, J. Jansen, E. A. Lornonova","doi":"10.1109/IEMDC.2013.6556334","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556334","url":null,"abstract":"Magnetic hysteresis in the force of a pre-biased E-core reluctance actuator is researched. The simulations are performed with a 2d/3d finite element method (FEM) and two semianalytic methods are evaluated namely, the classical Preisach model (CPM), which is combined with a dynamic magnetic equivalent circuit (MEC) method, and a complex impedance model, which is combined with a static MEC model. Ultimately, the FEM simulations and analytical models are compared to force measurements performed on a piezoelectric load cell.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"33 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":"131660794","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
Analysis and design of 6-phase fractional slot per pole per phase permanent magnet machines with low space harmonics 低空间谐波6相分槽每极每相永磁电机的分析与设计
2013 International Electric Machines & Drives Conference Pub Date : 2013-05-12 DOI: 10.1109/IEMDC.2013.6556280
V. Patel, Jiabin Wang, Weiya Wang, Xiao Chen
{"title":"Analysis and design of 6-phase fractional slot per pole per phase permanent magnet machines with low space harmonics","authors":"V. Patel, Jiabin Wang, Weiya Wang, Xiao Chen","doi":"10.1109/IEMDC.2013.6556280","DOIUrl":"https://doi.org/10.1109/IEMDC.2013.6556280","url":null,"abstract":"The paper is concerned with new winding configurations for 6-phase permanent magnet (PM) machines with 18-slot, 8-pole, that eliminates and/or reduces undesirable space harmonics in the stator mmf. The proposed configuration improves power/torque density and efficiency with a reduction in eddy current losses in the rotor permanent magnets and copper losses in end windings. To improve drive train availability for applications in electric vehicles, the paper proposes the design of 6-phase permanent magnet machine as two independent 3-phase windings. A number of possible phase shifts between two sets of 3-phase windings due to their slot-pole combination and winding configuration is investigated and the optimum phase shift is selected by analyzing the harmonic distributions and their effect on machine performance including the rotor eddy current losses. The machine design is optimized for a given set of specifications for electric vehicle (EV), under electrical, thermal and volumetric constraints.","PeriodicalId":199452,"journal":{"name":"2013 International Electric Machines & Drives Conference","volume":"19 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":"130822420","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: 17
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