{"title":"Design and analysis of axial-flux permanent magnet synchronous machines as traction drives for electric vehicles","authors":"P. Dück, Przemyslaw Lesniewski, B. Ponick","doi":"10.1109/SPEEDAM.2016.7525883","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525883","url":null,"abstract":"This paper investigates axial-flux permanent magnet synchronous machines as traction motors for use in electric vehicles. The assumed boundary conditions facilitate their application as near-wheel motor. The aim is to combine the advantages of a central motor with the advantages of a wheel hub motor. All of the investigated motor variants are realized with double stators, i.e. the both sides of the rotor disc are each faced by a stator. The advantages of this arrangement are explained in detail, compared to double-rotor variants or variants with one stator and one rotor. In addition, it is analyzed whether the use of sector stators is feasible, and if so, which are the technical challenges to cope with. Moreover, the advantages and disadvantages of axial-flux permanent magnet machines (AFPM) compared to conventional radial-flux machines are summarized. Finally, different types of windings are investigated in consideration of the torque curve. The end winding's shape is an additional element to consider in the design process.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"413 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115611377","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}
{"title":"On the operational optimization of large hydrological basins","authors":"E. Castronuovo, G. Hermida","doi":"10.1109/SPEEDAM.2016.7525998","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525998","url":null,"abstract":"The operational optimization of large hydrological basins still remains a challenger issue. Large travel times of the water between upstream reservoirs and the mouth of the river, several days as horizon of optimization, very nonlinear equations, uncertainties and ecological constraints result in complex optimization problems with difficult solutions. The present work uses a new formulation, with continuous variables and restrictions expressed as linear equations. Upper and medium Guadalquivir basin is analyzed, including 18 hydro plants with different characteristics and goals of operation. Considerations about uncertainties in the production are formulated. The algorithm has an adequate performance, requiring small cpu times to reach the solution.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120944612","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}
{"title":"Hamiltonian modeling and control of AC microgrids with spinning machines and inverters","authors":"W. Weaver, R. Robinett, G. Parker, D. Wilson","doi":"10.1109/SPEEDAM.2016.7526027","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7526027","url":null,"abstract":"This paper presents a novel approach to the modeling and control of AC microgrids that contain spinning machines, power electronic inverters and energy storage devices. The inverters in the system can adjust their frequencies and power angles very quickly, so the modeling focuses on establishing a common references frequency and angle in the microgrid based on the spinning machines. From this dynamic model, nonlinear Hamiltonians surface shaping power flow control method is applied and shown to stabilize. From this approach the energy flow in the system is used to show the energy storage device requirements and limitations for the system. The modeling and control approach presented in this paper enables a unified, stable response to system disturbances, thus increasing resiliency. This paper first describes the dynamic model for a AC microgrid used for the controls development. Then a Hamiltonian energy based control is developed and shown to be stable and robust. A simulation example demonstrate the efficacy of the approach in stabilizing and optimization of the AC microgrid.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122744227","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}
{"title":"Renewable sources with storage for cost-effective solutions to supply commercial loads","authors":"F. Spertino, A. Ciocia, V. Cocina, P. Di Leo","doi":"10.1109/SPEEDAM.2016.7525987","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525987","url":null,"abstract":"This paper presents an energetic and economic analysis of grid-connected renewable sources with storage. The goal is to increase the self-production of a hybrid photovoltaic (PV) and wind system, avoiding a large usage of the grid to supply the loads of commercial users. Simulations are performed for one year, starting from hourly consumption data and solar irradiance and wind speed measurements updated each minute. Then, the appropriate capacity of storage is investigated with cost-effective solutions to maximize the self-consumption and to minimize the grid injections. Finally, different capacities of these renewable energy systems and storage are defined to find a cost-optimal solution.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122460788","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}
{"title":"Adaptive positioning system based on DyCE principle using position sensorless controlled IPMSMs with high performance position estimation","authors":"Naoki Kawamura, M. Hasegawa","doi":"10.1109/SPEEDAM.2016.7525838","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525838","url":null,"abstract":"This paper proposes an adaptive positioning control of servo system using position sensorless controlled interior permanent magnet synchronous motor (IPMSM), in which the proposed adaptive system is based on the combination of Dynamic Certainty Equivalence (DyCE) principle and the rotor position estimation method of IPMSM with comb filters. Generally, the positioning servo system is out of the strictly positive real property, so that the conventional adaptive scheme makes it impossible to realize adequate parameter identification. This paper realizes a new adaptive positioning control based on DyCE principle for position sensorless controlled IPMSM, and proposes the simplified formulation of adaptive controller. Finally, this paper also demonstrates the feasibility and the effectiveness of the proposed method by some experimental results.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114368318","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}
{"title":"A real-time sensor fault detection, isolation and reconfiguration method for vector controlled induction motors based on Extended Kalman Filter","authors":"Feng Wu, Jin Zhao, Yang Liu, Wenming Cao","doi":"10.1109/SPEEDAM.2016.7525805","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525805","url":null,"abstract":"Vector controlled motor drives are widely used in industry application areas, usually they contain two current sensors and a speed sensor. A fault diagnosis and reconfiguration structure is proposed in this paper including current sensor measurement errors and sensors open-circuit fault. Sliding windows and special features are designed to real-time detect the measurement errors, compensations are made according to detected offset and scaling values. When open-circuit faults occur, sensor outputs are constant-zero, the residuals between the Extended Kalman Filter (EKF) outputs and the sensors outputs are larger than pre-defined close-to-zero thresholds, under healthy condition, the residuals are equal to zero, as a result, the residuals can be used for open circuit fault detection. In this situation, the feedback signals immediately switch to EKF outputs to realize reconfiguration. Fair robustness are evaluated under disturbance such as load torque changes and variable speed. Simulation results show the effectiveness and merits of the proposed methods in this paper.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117080675","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}
{"title":"Effective model predictive direct torque control for an induction motor drive","authors":"Mahmoud A. Mossa, S. Bolognani","doi":"10.1109/SPEEDAM.2016.7525814","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525814","url":null,"abstract":"This paper proposes an effective model predictive direct torque control approach (MP DTC) for a three phase induction motor (IM) drive. With the proposed formulation, main features of new strategy as well as merits and drawbacks with respect to other control strategies developed for the three-phase IM like classic DTC, field oriented control, sliding mode control, and so on can be easily and promptly accomplished. Investigation of the speed effects on the operation methodology of the DTC procedure is presented. A sensorless speed estimation technique based on model reference adaptive system (MRAS) observer is adopted. At first, the paper gives a detailed description of theoretical approach of the proposed DTC formulation. Then the digital implementation and the sensorless technique are deeply described. Drive performance is validated by simulation using Matlab/Simulink software and experimentally using a fast control prototyping board. Results show the feasibility of the proposed technique, obtaining better speed control bandwidth while overcoming classic DTC drawbacks.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128614163","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}
{"title":"Current control with improved tracking and harmonic performance for a voltage source inverter driving a saturated induction motor","authors":"G. Mirzaeva, G. Goodwin","doi":"10.1109/SPEEDAM.2016.7525891","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525891","url":null,"abstract":"Magnetic saturation in induction motors is a very common, complex and undesirable phenomenon. It reduces the accuracy of drive control with respect to the fundamental current/voltage components, and gives rise to additional harmonics which degrades the total harmonic performance of the drive. The existing mitigation strategies include accurate modeling of the saturated motor and harmonic filtering. A different approach is presented in this paper. An advanced control scheme is designed which specifically targets and eliminates the tracking error at fundamental frequency and harmonic components produced by magnetic saturation. The paper includes theoretical development of the control scheme by utilizing general Model Predictive Control (MPC) framework. The findings of the paper are illustrated by extensive simulation results.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129050051","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}
D. Baimel, R. Shkoury, L. Elbaz, S. Tapuchi, N. Baimel
{"title":"Novel optimized method for maximum power point tracking in PV systems using Fractional Open Circuit Voltage technique","authors":"D. Baimel, R. Shkoury, L. Elbaz, S. Tapuchi, N. Baimel","doi":"10.1109/SPEEDAM.2016.7525984","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525984","url":null,"abstract":"The paper proposes new improved MPPT measurement method based on the conventional Fractional Open Circuit Voltage (FOCV) method, where the maximum power point voltage is estimated by continuous measuring of PV panel's open circuit voltage and calculation of the voltage factor. In the proposed Semi-Pilot Cell (SPC-FOCV) the measurements of the open circuit voltage are performed on one PV cell which is located at the edge of PV panel. When there is no measurement of the open circuit voltage, the PV panel configuration is unchanged and all PV cells inside the panel supply power to the load. During the measurement, the semi-pilot cell is disconnected from the panel by a pair of transistors and bypassed by the bypass diode in order to ensure proper operation of other cells in the panel. This method is intended for application in small PV systems. The proposed method was analyzed and validated by extensive simulation results. It was proved that it can precisely estimate maximum power point voltage. The SPC-FOCV method overcomes the disadvantages of the conventional FOCV and pilot cell FOCV methods. By implementing the proposed method, more power can be supplied to the load with higher efficiency than by the conventional FOCV and pilot cell methods.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129927373","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}
{"title":"EMC studies on grid integration of Distributed Energy Resources. A 10 kW, IEC-61850 compliant inverter design and preliminary test results","authors":"S. Wasterlain, H. Parisod, D. Roggo, M. Carpita","doi":"10.1109/SPEEDAM.2016.7525988","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2016.7525988","url":null,"abstract":"In this paper the main features of a transformerless 10 kW three-phase inverter, compliant to IEC-61850 communication standard, will be presented. It will be used for a research project concerning the study of grid harmonics pollution produced by high penetration of DER (Distributed Energy Resources). It will allow testing different harmonics mitigation and power injection control strategies.","PeriodicalId":265015,"journal":{"name":"2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129182225","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}