2017 IEEE International Electric Machines and Drives Conference (IEMDC)最新文献

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Rotor loss reduction using segmented inverter in surface-mounted permanent magnet drive 在表面贴装永磁驱动中采用分段逆变器降低转子损耗
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002054
M. Al-Ani, S. Barrans, J. Carter
{"title":"Rotor loss reduction using segmented inverter in surface-mounted permanent magnet drive","authors":"M. Al-Ani, S. Barrans, J. Carter","doi":"10.1109/IEMDC.2017.8002054","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002054","url":null,"abstract":"In this paper, the influence of different switching modulation arrangements, i.e. current waveform modulation- and phase-shift, on the resultant current waveform of an electrical machine drive consisting of a two segment inter-leaved inverter feeding a surface-mounted permanent magnet (SPM) machine with two identical sets of three phase windings is investigated. The modulation- and phase-shift have been illustrated and the influence of the different modulation and frequency indices have been studied. Furthermore, the torque, and rotor eddy currents and core losses are calculated using FEA when either modulation-shifted or phase-shifted current waveforms are generated and fed to the machine. It is found that using modulation-shift can reduce the current harmonic substantially however the inverter requires two sets of input signals. On the other hand, although the current harmonic reduction is less than that of the modulation-shift, the phase-shift layout can be employed using one set of input signals with a signal delay.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134358197","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
IGBT-SiC dual fed open end winding PMSM drive IGBT-SiC双馈开路绕组永磁同步电机驱动器
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002155
Luca Revere, A. Formentini, G. L. Calzo, F. Zanchetta, T. Cox
{"title":"IGBT-SiC dual fed open end winding PMSM drive","authors":"Luca Revere, A. Formentini, G. L. Calzo, F. Zanchetta, T. Cox","doi":"10.1109/IEMDC.2017.8002155","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002155","url":null,"abstract":"This paper proposes a dual fed common dc link inverter Open End Winding-Permanent Magnet Synchronous Motor (OEW-PMSM) Drive. In order to increase the system efficiency a dual technology converter is used, with one inverter composed of standard IGBT devices and the other composed of fast switching Silicon Carbide (SiC) devices. The common dc link OEW configuration allows the zero-sequence current (ZSC) to flow freely, and the low time constants of the zero-circuit can lead to high zero sequence current flow, with associated losses and stress on the power devices. To avoid this, the zero-sequence voltage produced by the switching combinations adopted to synthetize the control signals needs to be instantaneously eliminated. A novel modulation for dual converter configurations is proposed to eliminate the zero-sequence voltage(ZSV).","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115510483","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
Test characterization of a high performance fault tolerant permanenet magnet machine 高性能容错永磁电机的试验特性
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002330
J. Yon, James L. Baker, P. Mellor, S. Williamson, R. Wróbel
{"title":"Test characterization of a high performance fault tolerant permanenet magnet machine","authors":"J. Yon, James L. Baker, P. Mellor, S. Williamson, R. Wróbel","doi":"10.1109/IEMDC.2017.8002330","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002330","url":null,"abstract":"It is well understood that an electric machine's output performance is limited by its losses and thermal behavior. For novel prototype machines, hardware testing processes are an important part of quantifying these parameters. For some machines, effective characterization may be accomplished using a series of static and simple prime-mover tests. The resulting data permits calibration of loss- and thermal-models. These can then be used to predict on-load performance. Fault-tolerant machines based on single layer winding arrangements are designed to minimize interaction between windings or module-groups. This paper demonstrates that, for such a machine, the losses measured during simple DC and primer-mover tests may be used to infer performance during both ‘healthy’ and ‘faulted’ operating modes. Under faulted conditions the total machine loss is expected to be a combination of module-specific and common losses, which can be directly deduced from hardware tests. This paper discusses the accuracy of loss superposition when applied to a 180 kW multi-channel, fault-tolerant aerospace machine. From observations following faulted and healthy dynamometry tests, there exists close correlation between full-load performance and estimates made from the superposition of losses under discrete operating modes.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"167 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133904662","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
Influence of lamination thickness on harmonic losses in 2-pole slotless permanent-magnet motors 层合厚度对两极无槽永磁电机谐波损耗的影响
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002064
J. Millinger, O. Wallmark, J. Soulard
{"title":"Influence of lamination thickness on harmonic losses in 2-pole slotless permanent-magnet motors","authors":"J. Millinger, O. Wallmark, J. Soulard","doi":"10.1109/IEMDC.2017.8002064","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002064","url":null,"abstract":"This paper presents an original theoretical and experimental investigation of the iron losses for three different commercially available non-oriented silicon-iron (SiFe) steel grades (with lamination thicknesses 0.1, 0.2 and 0.3 mm) in a 2-pole slotless permanent magnet motor. The study is conducted over a wide frequency range (10–100 kHz), which is a novelty. The corresponding winding losses are succesfully identified for this purpose. The impact of temperature is also studied. The results show that that iron losses compose a significant share of the total losses beyond 50 kHz. Stator harmonic iron losses at 100 kHz can be decreased with 30% by using NO10 instead of NO30.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129042178","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
Additive manufacturing of shaped profile windings for minimal AC loss in gapped inductors 用于最小交流损耗的异形绕组的增材制造
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002337
N. Simpson, P. Mellor
{"title":"Additive manufacturing of shaped profile windings for minimal AC loss in gapped inductors","authors":"N. Simpson, P. Mellor","doi":"10.1109/IEMDC.2017.8002337","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002337","url":null,"abstract":"Wound components typically represent approximately 50 % of the total mass of a power converter, consequently minimising the mass and volume of transformers and filter inductors is an important challenge in the design of compact power dense converters in transport and other demanding applications. The research described in this paper contributes to a body of work investigating design tools and new manufacturing processes aimed at reducing the mass and volume of wound components. In this instance, the design and manufacture of minimal AC loss shaped profile windings using metal additive manufacturing is explored. A prototype inductor is manufactured and experimentally tested to demonstrate the advantages of shaped windings for AC loss reduction.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131153272","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: 24
A systematic experimental approach in deriving stator-winding heat transfer 定子-绕组传热的系统实验方法
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8001871
R. Wróbel, S. Ayat, J. Godbehere
{"title":"A systematic experimental approach in deriving stator-winding heat transfer","authors":"R. Wróbel, S. Ayat, J. Godbehere","doi":"10.1109/IEMDC.2017.8001871","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8001871","url":null,"abstract":"This work is devoted to providing a more systematic approach to thermal design and analysis of electrical machines with the research focused on heat transfer from the winding body to the stator core pack/machine periphery. The heat transfer from the winding body is notoriously difficult to predict theoretically due to the multi-material composite structure of the stator-winding assembly. Together with numerous manufacture and assembly factors, the heat transfer is usually informed empirically. Further to this, the stator-winding assembly frequently constitutes the main source of power loss within a machine assembly. Both the heat transfer and power loss effects have a significant impact on the machine's overall power output capability. A common approach when quantifying the heat transfer across the stator-winding is based on an equivalent thermal resistance. This method provides reliable information regarding the capability of the dissipative heat transfer. However, as the thermal resistance data is related to a particular machine and stator-winding assembly, the results are difficult to transfer and compare across different machine designs. Especially if no supplementary stator-winding construction data is available. Here, a method utilizing an equivalent thermal conductance has been proposed to enable data transfer for the alternative machine builds and topologies. This allows for a relatively simple comparison among alternative stator-winding assemblies. Both the experimental and theoretical findings are presented in the paper to illustrate the proposed approach.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129993511","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
Spectral element model for 2-D electrostatic fields in a linear synchronous motor 线性同步电机二维静电场的谱元模型
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002056
T. V. Van Beek, M. Curti, J. Jansen, B. Gysen, J. Paulides, E. Lomonova
{"title":"Spectral element model for 2-D electrostatic fields in a linear synchronous motor","authors":"T. V. Van Beek, M. Curti, J. Jansen, B. Gysen, J. Paulides, E. Lomonova","doi":"10.1109/IEMDC.2017.8002056","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002056","url":null,"abstract":"This paper presents a fast and accurate 2-D spectral element model for analyzing electric field distributions in linear synchronous motors. The electric field distribution is derived using the electric scalar potential for static cases. The spatial potential and electric field distributions obtained by the spectral element method are validated by finite element analysis. Protrusions, voids and rounded edges in the motor geometry are taken into account without loss of accuracy. Furthermore, the convergence and computational load of the spectral element model is investigated.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"83 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122621377","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
An accurate and flexible calorimeter topology for power electronic system loss measurement 一种用于电力电子系统损耗测量的精确而灵活的量热计拓扑
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002349
N. Simpson, A. Hopkins
{"title":"An accurate and flexible calorimeter topology for power electronic system loss measurement","authors":"N. Simpson, A. Hopkins","doi":"10.1109/IEMDC.2017.8002349","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002349","url":null,"abstract":"The drive to improve power electronic system efficiencies makes the accurate and repeatable determination of power losses ever more important. As operating frequencies, harmonic content and efficiency increase, electrical methods of measuring loss become more uncertain since they are affected by phase-errors and electromagnetic interference among other factors. Alternative calorimetric methods allow system losses, which manifest as heat, to be measured directly with a high degree of accuracy. However, calorimeter facilities tend to be costly bespoke measurement systems which is a barrier to their widespread use. In this paper, an extension to the closed double-jacket type calorimeter topology is presented which offers comparatively low-cost, simplified construction and improved flexibility with the aim of promoting a more widespread use of calorimetry within the power electronics community.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114717160","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: 8
Design of an axial-flux permanent magnet machine for an in-wheel direct drive application 轮内直接驱动用轴向磁通永磁电机的设计
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002339
K. Bastiaens, J. Jansen, S. Jumayev, E. Lomonova
{"title":"Design of an axial-flux permanent magnet machine for an in-wheel direct drive application","authors":"K. Bastiaens, J. Jansen, S. Jumayev, E. Lomonova","doi":"10.1109/IEMDC.2017.8002339","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002339","url":null,"abstract":"This paper concerns the optimization and comparison of six different axial-flux permanent magnet (AFPM) machine topologies for an in-wheel direct drive application. The objective of the optimization is to reach maximum power density, which is of essence for an in-wheel motor. The machine topologies are optimized using the 3D analytical charge model in combination with a thermal equivalent circuit model for calculation of the temperature rise and thermal dependency of the main electromagnetic losses. All investigated AFPM machine topologies are variations of the internal stator twin external rotor AFPM machine. The resulting designs are compared based on their power density, weight, efficiency, and permanent magnet volume. The distributed winding topology with a quasi-Halbach magnet arrangement shows the best performance within the optimization problem.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131606755","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
Analysis and minimization of torque ripple for variable flux reluctance machines 变磁通磁阻电机转矩脉动分析与最小化
2017 IEEE International Electric Machines and Drives Conference (IEMDC) Pub Date : 2017-08-08 DOI: 10.1109/IEMDC.2017.8002258
J. Bao, B. Gysen, K. Boynov, J. Paulides, K. Bastiaens, E. Lomonova
{"title":"Analysis and minimization of torque ripple for variable flux reluctance machines","authors":"J. Bao, B. Gysen, K. Boynov, J. Paulides, K. Bastiaens, E. Lomonova","doi":"10.1109/IEMDC.2017.8002258","DOIUrl":"https://doi.org/10.1109/IEMDC.2017.8002258","url":null,"abstract":"Variable flux reluctance machines (VFRMs) are permanent-magnet-free three-phase machines and are promising candidates for applications requiring low cost and robustness. This paper studies the torque ripple and minimization methods for 12-stator VFRMs. Starting with the analysis of harmonics in the self and mutual inductances of field and armature windings, instantaneous torque equations are derived by virtual work method, which give a clear view on the dominated torque ripple components in VFRMs. Afterwards, the influences of motor topology on harmonics of the inductances as well as the torque ripple are investigated, such as number of rotor poles and tooth arc, etc. On the basis of the aforementioned analysis, harmonic injections in field current and armature current are analyzed for torque ripple reduction. The effectiveness of these two methods is investigated for non-saturated and saturated 12/10 VFRMs based on 2D finite element analysis. The results show good performance of torque ripple minimization by harmonic armature current injection.","PeriodicalId":448669,"journal":{"name":"2017 IEEE International Electric Machines and Drives Conference (IEMDC)","volume":"5 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120935852","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
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