The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)最新文献

A NEW FOUR-QUADRANT INVERTER BASED ON DUAL-WINDING ISOLATED CUK CONVERTERS FOR RAILWAY AND RENEWABLE ENERGY APPLICATIONS 基于双绕组隔离cuk变换器的新型四象限逆变器，用于铁路和可再生能源应用

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 2020-07-01 DOI: 10.1049/icp.2021.1033

S. Alotaibi, A. Darwish, X. Ma, B. Williams

引用次数: 0

PERMANENT MAGNET SYNCHRONOUS MACHINE TEMPERATURE ESTIMATION USING LOW-ORDER LUMPED-PARAMETER THERMAL NETWORK WITH EXTENDED IRON LOSS MODEL 基于扩展铁损模型的低阶集总参数热网的永磁同步电机温度估计

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 2020-01-21 DOI: 10.1049/icp.2021.1017

E. Gedlu, O. Wallscheid, J. Böcker

引用次数: 15

IMPACT OF MAGNETIC COUPLING IN TRANSVERSE FLUX PERMANENT MAGNET MACHINE FOR WIND POWER APPLICATION 磁耦合对横向磁通永磁电机风力发电应用的影响

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1007

R. Kumar, L. Huang, D. K. K. Padinharu, Z. Zhu, A. Duke, R. Clark, A. Thomas, G. Li, M. Odavic, A. Griffo, M. Foster, D. Stone

引用次数: 1

Design of Rare-Earth-Free PM-assisted Synchronous Reluctance Machine for Heavy-duty Automotive Application 重型汽车用无稀土永磁辅助同步磁阻电机设计

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1193

M. Al-Ani, S. La Rocca, A. La Rocca, A. Walker, R. Ramanathan, T. Zou, G. Vakil, D. Gerada, C. Gerada, K. Paciura, A. McQueen

{"title":"Design of Rare-Earth-Free PM-assisted Synchronous Reluctance Machine for Heavy-duty Automotive Application","authors":"M. Al-Ani, S. La Rocca, A. La Rocca, A. Walker, R. Ramanathan, T. Zou, G. Vakil, D. Gerada, C. Gerada, K. Paciura, A. McQueen","doi":"10.1049/icp.2021.1193","DOIUrl":"https://doi.org/10.1049/icp.2021.1193","url":null,"abstract":"Electrical machines designed for automotive applications are characterised by high torque density, wide speed range and low cost. The use of NdFeB magnets in such machines can achieve the required high torque density and wide speed range, however, it fails to meet the low-cost requirements. As a result, this paper explores the capability of rare-earth-free design through a PM-assisted synchronous reluctance motor (PM-SynRel). A PM-SynRel design with NdFeB has been used in this study where the NdFeB magnets have been replaced with ferrite magnets. Following, mechanical analysis has been conducted on the rotor to ensure the stress level in the rotor does not exceed the material limit. Therefore, several mechanical methods have been studied to evaluate their mechanical capability and electromagnetic performance degradation. Thermal analysis has been conducted last to evaluate the temperatures in the different machine parts to avoid exceeding the required limits. Detailed numerical thermal analyses were also performed to assess the thermal behaviour of the design developed. Finally, a prototype has been made and tested to validate the simulation results.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116102157","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

Analysis and Mitigation of Demagnetization Issue in Stator Slot PM Machines 定子槽式永磁电机消磁问题的分析与对策

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1015

H. Qu, Z.Q. Zhu, S. Cai, L. Huang

引用次数: 0

On specimens choice for thermal lifetime assessment of low voltage electrical machines insulation 低压电机绝缘热寿命评定试样的选择

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1127

V. Madonna, P. Giangrande, M. Galea

{"title":"On specimens choice for thermal lifetime assessment of low voltage electrical machines insulation","authors":"V. Madonna, P. Giangrande, M. Galea","doi":"10.1049/icp.2021.1127","DOIUrl":"https://doi.org/10.1049/icp.2021.1127","url":null,"abstract":"The insulation of a rotating electrical machine is a complex system. Predicting its lifetime is an extremely challenging task, as it involves elements of chemistry, material science and electrical engineering. This lifetime prediction/assessment, if performed under standard “in-service” operating conditions, can require months (and in some cases years) of testing. Therefore, accelerated lifetime tests, performed on suitable specimens, are conventionally run for fulfilling such task, as they reduce the total testing time. During these tests, the stress level applied to the examined system (i.e. insulation) is enhanced with respect to normal operating conditions, with the aim of reaching the end of life in a relatively short amount of time. It is thus of crucial importance selecting an appropriate specimen's typology, as the choice might strongly influence the tests' outcome. In this work, the accelerated thermal aging results for three different specimens' typologies, i.e. twisted pair, motorette and coil, are presented and apprised. The tests are carried out on a round enamelled magnet wire, to be employed for the winding of low voltage electrical machines. Among the three specimens, it is found that twisted pairs tend to largely over-estimate the thermal lifetime, with respect to both motorettes and coils.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129017100","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

Online Monitoring of Ground-wall Insulation Impedance under Cyclic Load Operation 循环负荷运行下地壁绝缘阻抗在线监测

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1069

S. Sundeep, I. Tsyokhla, J. Wang, A. Griffo

{"title":"Online Monitoring of Ground-wall Insulation Impedance under Cyclic Load Operation","authors":"S. Sundeep, I. Tsyokhla, J. Wang, A. Griffo","doi":"10.1049/icp.2021.1069","DOIUrl":"https://doi.org/10.1049/icp.2021.1069","url":null,"abstract":"The paradigm shift in the operation of the adjustable speed drives operating under frequent start and stop instead of long continuous operation induces thermo-mechanical stress. This intermittent operation changes the operating temperature of the machine frequently, which results in uneven expansion/contraction of different materials. This difference causes stress which accelerates the ageing of the insulations. So far, the effect of thermal stress on the ageing phenomenon is well-known in the literature. However, the study of ageing process under thermo-mechanical stress is scant. To circumvent the unpredictable downtime due to the stress, continuous monitoring of insulation health is attracting more attention. This work aims to study the effect of thermomechanical stress on insulation by exposing 7 stators of 2.83 kW servomotor to thermal cycles under temperature-controlled environment. The degradation of insulation is continuously observed by measuring the groundwall capacitance. Results show that the capacitance varies along with the temperature, and both its average and the peak-to-peak variation decay with aging. Based on the experimental investigation, a mathematical model representing the ageing phenomenon of the winding insulation is proposed. The proposed model is based on the assumption that the observed changes in the insulation capacitance due to thermal aging are the result of internal chemical reactions which obey the Arrhenius law.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129367295","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

A GENERALIZED APPROACH TO GENERATE THE COMPONENT MODELS FOR MULTI-OBJECTIVE OPTIMIZATION IN POWER ELECTRONIC APPLICATIONS 电力电子多目标优化中元件模型生成的一种通用方法

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.0999

M. Gladen, L. Brakemeier, V. Staudt

引用次数: 0

EVALUATION OF INVERTER TOPOLOGIES FOR HIGH POWER/MEDIUM VOLTAGE AIRCRAFT APPLICATIONS 高功率/中压飞机应用逆变器拓扑的评估

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1132

C. Klumpner, F. Khera

引用次数: 4

A METHODICAL APPROACH TO DETERMINE IMPORTANT THERMAL PARAMETERS OF A PERMANENT MAGNET ALTERNATOR 一种确定永磁交流发电机重要热参数的方法

The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1068

M. Kulan, N. Baker, S. Turvey

{"title":"A METHODICAL APPROACH TO DETERMINE IMPORTANT THERMAL PARAMETERS OF A PERMANENT MAGNET ALTERNATOR","authors":"M. Kulan, N. Baker, S. Turvey","doi":"10.1049/icp.2021.1068","DOIUrl":"https://doi.org/10.1049/icp.2021.1068","url":null,"abstract":"This paper presents a thermal analysis methodology of a permanent magnet (PM) machine used in an aerospace application. Thermal uncertainties and important thermal parameters due to manufacture and assembly have been exploited by conducting several thermal tests in the machine pre-assembly stages. Steady state DC thermal tests of the stator windings at standstill are crucial to understand the main heat paths in the machine structure. Therefore, thermal data collected from the stator windings and laminations in steady state DC tests are used to calibrate the 3D finite element (FE) thermal model of the machine by employing lumped parameter thermal network (LPTN) and short time thermal transient tests for the windings. It is shown that the thermal experiments in pre-assembly and post-assembly stages are required to obtain a more accurate machine thermal model. Authors report that effective slot thermal conductivity is the principal thermal parameter which needs to be estimated correctly to model an electrical machine thermally and also that off-tooth winding of the machine causes a poor effective slot thermal conductivity. Sensitivity of important thermal parameters on the winding temperature variation is also described by utilising a calibrated 3D FE thermal model of the proposed alternator.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121288562","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