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COMPARATIVE STUDY OF ROTOR INITIAL POSITION ESTIMATION TECHNIQUES 转子初始位置估计技术的比较研究
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.0975
X. Wu, Z.Q. Zhu
{"title":"COMPARATIVE STUDY OF ROTOR INITIAL POSITION ESTIMATION TECHNIQUES","authors":"X. Wu, Z.Q. Zhu","doi":"10.1049/icp.2021.0975","DOIUrl":"https://doi.org/10.1049/icp.2021.0975","url":null,"abstract":"For permanent magnet machines, including brushless DC (BLDC) machines and brushless AC (BLAC) machines, rotor initial position can be estimated based on magnetic saturation effect. Many techniques have been proposed by applying voltage pulses to stator windings and using current or voltage responses to estimate the rotor initial position. Hence, a comparative study of rotor initial position estimation techniques utilizing magnetic saturation effect is carried out in this paper. Depending on different measurements or components that are used for rotor initial position estimation, 5 different methods are compared and validated by simulation and experiment results.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"48 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":"130971889","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
Low and zero speed sensorless control of dual three-phase permanent magnet synchronous machines using the fundamental PWM excitation 双三相永磁同步电机的低速和零转速无传感器控制
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.0981
H. Chen, Q. Gao, H. Zhu
{"title":"Low and zero speed sensorless control of dual three-phase permanent magnet synchronous machines using the fundamental PWM excitation","authors":"H. Chen, Q. Gao, H. Zhu","doi":"10.1049/icp.2021.0981","DOIUrl":"https://doi.org/10.1049/icp.2021.0981","url":null,"abstract":"","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"76 3 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":"132692352","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
Quasi Z-Source Hybrid Modular Multilevel converter controlled by Reduced Inserted Cells Modulation Technique for Medium Voltage Applications 准z源混合模块多电平变换器的中压减插单元调制技术控制
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1074
F. Khera, C. Klumpner, P. Wheeler
{"title":"Quasi Z-Source Hybrid Modular Multilevel converter controlled by Reduced Inserted Cells Modulation Technique for Medium Voltage Applications","authors":"F. Khera, C. Klumpner, P. Wheeler","doi":"10.1049/icp.2021.1074","DOIUrl":"https://doi.org/10.1049/icp.2021.1074","url":null,"abstract":"","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"48 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":"132145605","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 LARGE-SCALE BATTERY ENERGY STORAGE SYSTEM SIMULATION TOOL FOR STUDYING CELL VARIATION 用于研究电池变化的大型电池储能系统仿真工具
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1117
Z. Wang, J. Davidson, M. Foster
{"title":"A LARGE-SCALE BATTERY ENERGY STORAGE SYSTEM SIMULATION TOOL FOR STUDYING CELL VARIATION","authors":"Z. Wang, J. Davidson, M. Foster","doi":"10.1049/icp.2021.1117","DOIUrl":"https://doi.org/10.1049/icp.2021.1117","url":null,"abstract":"","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"13 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":"123937282","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
ACTIVE TILT COMPENSATION METHODS FOR BEARINGLESS DISC MOTORS 无轴承盘式电机的主动倾斜补偿方法
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.0990
B. Klammer, H. Mitterhofer, W. Gruber
{"title":"ACTIVE TILT COMPENSATION METHODS FOR BEARINGLESS DISC MOTORS","authors":"B. Klammer, H. Mitterhofer, W. Gruber","doi":"10.1049/icp.2021.0990","DOIUrl":"https://doi.org/10.1049/icp.2021.0990","url":null,"abstract":"Disturbance and resonance effects may cause tilt vibrations in bearingless disc motors. Typically, these vibrations are only very poorly dampened by passive stabilization torques. In this paper, two strategies to actively suppress tilt vibrations are proposed: additional tilt damping by flux modulation and by radial rotor position deflection. Tilt oscillations can be reduced by modulating the magnetic air-gap flux with a d-axis current as a function of the tilt angle and its first derivative. Another option is to move the rotor towards a position offering increased tilt stiffness, depending on the tilt oscillation amplitude and speed. In order to analyse the effect, mathematical models of the two methods considering parameters of a bearingless flux-switching disc motor prototype are set up and analyzed numerically.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"34 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":"115483394","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
AN EXPERIMENTAL COMPARISON OF THERMAL MODELLING TECHNIQUES FOR IGBT MODULES IN ELECTRICAL DRIVETRAINS 电力传动系统中光模块热建模技术的实验比较
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1098
L. Hallemans, J. Zwysen, S. Ravyts, G. Van den Broeck, S. Schlimpert, G. Beckers, J. Driesen
{"title":"AN EXPERIMENTAL COMPARISON OF THERMAL MODELLING TECHNIQUES FOR IGBT MODULES IN ELECTRICAL DRIVETRAINS","authors":"L. Hallemans, J. Zwysen, S. Ravyts, G. Van den Broeck, S. Schlimpert, G. Beckers, J. Driesen","doi":"10.1049/icp.2021.1098","DOIUrl":"https://doi.org/10.1049/icp.2021.1098","url":null,"abstract":"Due to a strong drive towards a higher power density of electrical drivetrains and the impact of cooling on their reliability, the thermal characterisation and monitoring of these systems is gaining importance. The power electronic devices driving the electrical motor in this system are often integrated within one power module, complicating temperature measurements and monitoring of the semiconductor devices. Therefore, accurate thermal models of these modules are necessary. The main challenge remains to model these thermal properties sufficiently accurate to estimate the device temperatures, while maintaining an evaluation speed fast enough to ensure safe operating temperatures in real-time. Furthermore, in the search for enhanced cooling methods, it may be interesting to compare cooling designs using simulations before or instead of experiments. To this end, this paper develops and compares the accuracy of a 3D grey-box Lumped Parameter Model of an IGBT module coupled with an interchangeable cooling model with two 1D Lumped Parameter Models. The 3D model is based on a Finite Element representation, while the 1D models are based solely on datasheet information. The different model types are discussed and compared regarding their accuracy using simulation and experimental results.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"33 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":"114279795","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
Direct Speed Model Predictive Control with two-time scale for PMSM Drives 直接速度模型预测控制与双时间尺度的永磁同步电机驱动器
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1109
F. Chai, L. Gao, Y. Yu, L. Geng
{"title":"Direct Speed Model Predictive Control with two-time scale for PMSM Drives","authors":"F. Chai, L. Gao, Y. Yu, L. Geng","doi":"10.1049/icp.2021.1109","DOIUrl":"https://doi.org/10.1049/icp.2021.1109","url":null,"abstract":"This paper proposes a novel Direct Speed Model Predictive Control (DSMPC) for PMSM drive. The developed strategy takes into consideration the difference between the electromagnetic and mechanical time constant. The predictions with different sampling periods in speed and current models of PMSM are analyzed in detail. Meanwhile, the linear estimation method is employed to avoid the large amount of calculation of torque prediction. The load torque observer and delay compensation are achieved as well. Compared with the traditional DSMPC in simulations and experiments, the proposed strategy shows a better performance.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"727 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":"115136018","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
OPTIMISATION OF THE GATE VOLTAGE IN SiC MOSFETS: EFFICIENCY VS RELIABILITY SiC mosfet中栅极电压的优化:效率与可靠性
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1043
J. Ortiz-Gonzalez, R. Wu, Haimeng Wu, Xiang Wang, Volker Pickert, Philip A. Mawby, O. Alatise
{"title":"OPTIMISATION OF THE GATE VOLTAGE IN SiC MOSFETS: EFFICIENCY VS RELIABILITY","authors":"J. Ortiz-Gonzalez, R. Wu, Haimeng Wu, Xiang Wang, Volker Pickert, Philip A. Mawby, O. Alatise","doi":"10.1049/icp.2021.1043","DOIUrl":"https://doi.org/10.1049/icp.2021.1043","url":null,"abstract":"This paper presents a comprehensive study of the impact of the gate voltage on the switching and ON-state performance of SiC MOSFETs. It is well known that the gate oxide in SiC MOSFETs is not as reliable as that in silicon MOSFETs due to increased fixed oxide and interface traps. Numerous studies have shown reduced performance on time-dependent dielectric breakdown (TDDB) and oxide robustness in SiC MOSFETs compared to silicon devices. On the one hand, a high ON-state gate-source voltage VGS is required for proper channel inversion, low ON-state loss and fast switching while on the other hand, a lower ONstate VGS reduces the electrical stress on the gate oxide and improves long term reliability. Understanding the implications of the selected gate voltage on the operation of the power device will be fundamental for achieving an optimal balance between electrical performance and gate oxide reliability. This paper shows that reducing the maximum gate driver supply voltage VGG only affects turn-ON losses while turn-OFF losses are independent of VGG. The experimental characterisation is complemented with electrothermal simulations to evaluate the impact of the gate voltage on the operation of a converter. The paper shows that reducing VGG by 10% causes an increase of 7.6% in the device losses and 1.4 °C in junction temperature in simulated converter operation. Furthermore, if the switching speed is increased by means of reducing the gate resistance, the impact of the conduction losses can be compensated. These results are fundamental for balancing system efficiency and reliability in SiC MOSFETs.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"24 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114085894","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
HYBRID COOLING DESIGN OF PERMANENT MAGNET SYNCHRONOUS MACHINES 永磁同步电机的混合冷却设计
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.1044
Q. Li, X. Shen, B. Mecrow, X. Deng
{"title":"HYBRID COOLING DESIGN OF PERMANENT MAGNET SYNCHRONOUS MACHINES","authors":"Q. Li, X. Shen, B. Mecrow, X. Deng","doi":"10.1049/icp.2021.1044","DOIUrl":"https://doi.org/10.1049/icp.2021.1044","url":null,"abstract":"This paper presents the challenges of creating a cooling system for a permanent magnet machine with high power density. A hybrid air/water cooling system is presented with the aim of enhancing the cooling performance of the stator. Finite element calculations are first used to determine the winding loss in the stator, including skin and proximity effect. The effect of air speed, turbulence of the air flow and liquid speed have been discussed to find the best working point, using CFD simulation. The performance of the hybrid cooling system has been evaluated and design recommendations established.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"7 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":"123784826","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
Series-Parallel Differential Power Processing Scheme for Maximised Power Extraction from Mismatched Photovoltaic Panels 不匹配光伏板最大功率提取的串并联差分功率处理方案
The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020) Pub Date : 1900-01-01 DOI: 10.1049/icp.2021.0997
M. Etarhouni, B. Chong, L. Zhang
{"title":"Series-Parallel Differential Power Processing Scheme for Maximised Power Extraction from Mismatched Photovoltaic Panels","authors":"M. Etarhouni, B. Chong, L. Zhang","doi":"10.1049/icp.2021.0997","DOIUrl":"https://doi.org/10.1049/icp.2021.0997","url":null,"abstract":"In recent years, there has been an increasing interest in utilising Differential Power Processing converters (DPP) in Photovoltaic (PV) applications to achieve the maximum power point tracking (MPPT), minimum losses and high efficiency under unequal lighting conditions. This paper presents a novel Series and Parallel (SP) DPP converters scheme, with a proper control technique to optimise the system output power under mismatch conditions compared to that of a conventional 2×2 SP array which is protected with bypass diodes. The simulation results of such system show significant improvements in the total power of the SP-DPP system under PSCs.","PeriodicalId":188371,"journal":{"name":"The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)","volume":"36 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131550017","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
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