Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445292
Vitalis Aguba, M. Muteba, D. Nicolae
This paper presents a dynamic analysis performance of a start-up synchronous reluctance motor with a uniform distributed cage in the rotor structure. It provides analysis based on two-axis (d-q) theory development. The analysis is carried out using Matlab and Simulink analogue simulation toolbox software package to investigate the transient and steady-state operations. The dynamic and transient behavior is simulated, and the computed results are presented.
{"title":"Dynamic Modelling and Transient Analysis of Synchronous Reluctance Motor with Cage Bars in the Rotor Structure","authors":"Vitalis Aguba, M. Muteba, D. Nicolae","doi":"10.1109/SPEEDAM.2018.8445292","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445292","url":null,"abstract":"This paper presents a dynamic analysis performance of a start-up synchronous reluctance motor with a uniform distributed cage in the rotor structure. It provides analysis based on two-axis (d-q) theory development. The analysis is carried out using Matlab and Simulink analogue simulation toolbox software package to investigate the transient and steady-state operations. The dynamic and transient behavior is simulated, and the computed results are presented.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128572649","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445389
V. Sabatini, L. Bigarelli, M. di Benedetto, A. Lidozzi, L. Solero, G. Brown
This paper deals with the design and implementation of high performance Model Predictive Control (MPC) strategy for stabilizing the output DC-link of an AC-DC converter in generating applications. The system is composed of a permanent magnets synchronous machine which is directly driven by a prime mover (i.e. internal combustion engine, gas turbine, etc..) and an AC-DC power converter. In such application, the control structure must be able to regulate the DC-link voltage as well as the dq-axes currents. Complete design of the Model Predictive Control strategy is described and tested, with reference to the internal reference generation and FPGA implementation. Being the system characterized by non-linear behaviors, the MPC approach is considered particularly suitable to overcome that issue.
{"title":"FPGA-based Model Predictive Control for High Frequency Variable Speed Generating Units","authors":"V. Sabatini, L. Bigarelli, M. di Benedetto, A. Lidozzi, L. Solero, G. Brown","doi":"10.1109/SPEEDAM.2018.8445389","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445389","url":null,"abstract":"This paper deals with the design and implementation of high performance Model Predictive Control (MPC) strategy for stabilizing the output DC-link of an AC-DC converter in generating applications. The system is composed of a permanent magnets synchronous machine which is directly driven by a prime mover (i.e. internal combustion engine, gas turbine, etc..) and an AC-DC power converter. In such application, the control structure must be able to regulate the DC-link voltage as well as the dq-axes currents. Complete design of the Model Predictive Control strategy is described and tested, with reference to the internal reference generation and FPGA implementation. Being the system characterized by non-linear behaviors, the MPC approach is considered particularly suitable to overcome that issue.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129024268","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445291
D. Wilson, W. Weaver, G. Bacelli, R. Robinett
The purpose of this paper is to investigate Wave Energy Converter (WEC) technologies that are required to transform power from the waves to the electrical grid. WEC system components are reviewed that reveal the performance, stability, and efficiency. These WEC system individual components consists of; control methods, electro-mechanical drive-train, generator machines, power electronic converters, energy storage systems, and electrical grid integration. Initially, the transformation of energy from the wave to the electric grid is explored in detail for an individual WEC system. A control design methodology is then presented that addresses high penetration of Renewable Energy Sources (RES) and loads for networked AC/DC microgrid islanded subsystems. Both static and dynamic stability conditions are identified for the networked AC/DC microgrid system. Detailed numerical simulations were conducted for the electro-mechanical drivetrain system which includes; the dynamic responses, power generation for multiple wave conditions, and total efficiency of the energy/power conversion process. As a renewable energy scenario, the AC/DC microgrid islanded subsystem is employed to integrate an array of WECs. Preliminary Energy Storage System (ESS) power requirements are determined for the renewable energy scenario.
{"title":"WEC Array Electro-Mechanical Drivetrain Networked Microgrid Control Design and Energy Storage System Analysis","authors":"D. Wilson, W. Weaver, G. Bacelli, R. Robinett","doi":"10.1109/SPEEDAM.2018.8445291","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445291","url":null,"abstract":"The purpose of this paper is to investigate Wave Energy Converter (WEC) technologies that are required to transform power from the waves to the electrical grid. WEC system components are reviewed that reveal the performance, stability, and efficiency. These WEC system individual components consists of; control methods, electro-mechanical drive-train, generator machines, power electronic converters, energy storage systems, and electrical grid integration. Initially, the transformation of energy from the wave to the electric grid is explored in detail for an individual WEC system. A control design methodology is then presented that addresses high penetration of Renewable Energy Sources (RES) and loads for networked AC/DC microgrid islanded subsystems. Both static and dynamic stability conditions are identified for the networked AC/DC microgrid system. Detailed numerical simulations were conducted for the electro-mechanical drivetrain system which includes; the dynamic responses, power generation for multiple wave conditions, and total efficiency of the energy/power conversion process. As a renewable energy scenario, the AC/DC microgrid islanded subsystem is employed to integrate an array of WECs. Preliminary Energy Storage System (ESS) power requirements are determined for the renewable energy scenario.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124658300","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445342
M. Magno, Dario Kneubuehler, Philipp Mayer, L. Benini
For wearable devices, the availability of energy is one of the main limiting factors of performance and lifetime. To overcome this issue, micro-energy harvesting circuits, which extract energy from the environment, are very promising. Among other environmental sources, kinetic energy could significantly improve the energy availability in wearable applications. However, the majority of kinetic energy harvesting circuits do not perform well with the low-frequency patterns found in human motion and are therefore not suited for wearable devices. This paper aims to overcome this limitation by developing a high-efficiency energy harvesting system, which is optimized for frequencies occurring in human motion. A Micro Generator System (MGS) 26.4, by Kinetron, has been exploited as a kinetic transducer to generate energy. The implemented kinetic harvesting system has been designed to maximize the energy conversion efficiency and supply and recharge wearable devices. The final design has been implemented and field-tested in different positions on the human body. Experimental measurements demonstrate the end-to-end efficiency of up to 84%, and an average power of up to $mathbf{624mu W}$, which is superior to the state-of-art for the type of MGS. Moreover, a preliminary evaluation of the correlation between acceleration and power harvested is presented. Using the values obtained from experimental data, we estimate that two hours of walking and 30 minutes of running per day can provide 1.4 joules of electrical energy.
{"title":"Micro Kinetic Energy Harvesting for Autonomous Wearable Devices","authors":"M. Magno, Dario Kneubuehler, Philipp Mayer, L. Benini","doi":"10.1109/SPEEDAM.2018.8445342","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445342","url":null,"abstract":"For wearable devices, the availability of energy is one of the main limiting factors of performance and lifetime. To overcome this issue, micro-energy harvesting circuits, which extract energy from the environment, are very promising. Among other environmental sources, kinetic energy could significantly improve the energy availability in wearable applications. However, the majority of kinetic energy harvesting circuits do not perform well with the low-frequency patterns found in human motion and are therefore not suited for wearable devices. This paper aims to overcome this limitation by developing a high-efficiency energy harvesting system, which is optimized for frequencies occurring in human motion. A Micro Generator System (MGS) 26.4, by Kinetron, has been exploited as a kinetic transducer to generate energy. The implemented kinetic harvesting system has been designed to maximize the energy conversion efficiency and supply and recharge wearable devices. The final design has been implemented and field-tested in different positions on the human body. Experimental measurements demonstrate the end-to-end efficiency of up to 84%, and an average power of up to $mathbf{624mu W}$, which is superior to the state-of-art for the type of MGS. Moreover, a preliminary evaluation of the correlation between acceleration and power harvested is presented. Using the values obtained from experimental data, we estimate that two hours of walking and 30 minutes of running per day can provide 1.4 joules of electrical energy.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124696728","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445398
Colotti Alberto, M. David
This paper present the design and the experimental verification of a 12-slots/10-poles interior permanent magnet synchronous machine (IPMSM) for small utility vehicle. This publication discusses the choice of the topology for a direct drive, high torque density, wide constant power speed range ratio (CPSR). Performances of the constructed prototype measured on the test bench have confirmed the finite element analysis (FEA) results.
{"title":"Design and Test of IPMSM for Traction Applications of Small Utility Vehicles","authors":"Colotti Alberto, M. David","doi":"10.1109/SPEEDAM.2018.8445398","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445398","url":null,"abstract":"This paper present the design and the experimental verification of a 12-slots/10-poles interior permanent magnet synchronous machine (IPMSM) for small utility vehicle. This publication discusses the choice of the topology for a direct drive, high torque density, wide constant power speed range ratio (CPSR). Performances of the constructed prototype measured on the test bench have confirmed the finite element analysis (FEA) results.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129930818","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445383
S. Giorgi, Costello Ronan, Bacelli Giorgio, Coe G. Rvan
In order to accelerate the overall power take off (PTO) design effort and to cheaply evaluate alternative designs, the construction of the real hydraulic PTO can be replaced with the design of a hydraulic PTO model emulator. This has the added advantage that it can be applied at model testing scales, where real hydraulic hardware would not give performance, representative of the full scale PTO (most likely, the scale PTO hardware and the full PTO hardware would be completely different but, even if similar, the operating points and performance would be very dissimilar). Finally, and most importantly for this work, the emulated PTO presents realistic interface to the controller while the emulated force signals are actuated by an electric motor. This paper reports the main results from a collaborative project between Wave Venture Ltd. and SANDIA National Laboratories, focused on the development of a hydraulic PTO model emulator, in order to carry out wave tank tests with the new SANDIA wave energy converter (WEC).
{"title":"Hydraulic PTO model emulator for WEC tank tests","authors":"S. Giorgi, Costello Ronan, Bacelli Giorgio, Coe G. Rvan","doi":"10.1109/SPEEDAM.2018.8445383","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445383","url":null,"abstract":"In order to accelerate the overall power take off (PTO) design effort and to cheaply evaluate alternative designs, the construction of the real hydraulic PTO can be replaced with the design of a hydraulic PTO model emulator. This has the added advantage that it can be applied at model testing scales, where real hydraulic hardware would not give performance, representative of the full scale PTO (most likely, the scale PTO hardware and the full PTO hardware would be completely different but, even if similar, the operating points and performance would be very dissimilar). Finally, and most importantly for this work, the emulated PTO presents realistic interface to the controller while the emulated force signals are actuated by an electric motor. This paper reports the main results from a collaborative project between Wave Venture Ltd. and SANDIA National Laboratories, focused on the development of a hydraulic PTO model emulator, in order to carry out wave tank tests with the new SANDIA wave energy converter (WEC).","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130390918","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445403
Frank Landry Tanenkeu Guefack, A. Kiselev, A. Kuznietsov
In this paper, a new online algorithm for detection and location of inter-turn short circuit fault in permanent magnet synchronous motor (PMSM) drives is presented. The developed algorithm is based on the well-know classical Park's Vector Approach (PVA), extended by the Principal Component Analysis (PCA) method. The PCA extension provides a significantly better robustness of the detecting performance against signal noise and allows to locate the fault phase. The detection, location of interturn short circuit fault as well as the noise tolerance is proven by simulation results under real-time conditions.
{"title":"Improved Detection of Inter-turn Short Circuit Faults in PMSM Drives using Principal Component Analysis","authors":"Frank Landry Tanenkeu Guefack, A. Kiselev, A. Kuznietsov","doi":"10.1109/SPEEDAM.2018.8445403","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445403","url":null,"abstract":"In this paper, a new online algorithm for detection and location of inter-turn short circuit fault in permanent magnet synchronous motor (PMSM) drives is presented. The developed algorithm is based on the well-know classical Park's Vector Approach (PVA), extended by the Principal Component Analysis (PCA) method. The PCA extension provides a significantly better robustness of the detecting performance against signal noise and allows to locate the fault phase. The detection, location of interturn short circuit fault as well as the noise tolerance is proven by simulation results under real-time conditions.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123538152","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445264
M. Tsuji, S. Hamasaki, Kosuke Nakamura, A. Del Pizzo
Extended electro motive force (EMF) based sensorless vector control of IPMSM is one of the representative methods. We have proposed a simplified sensorless vector control system without using an observer on the basis of the extended EMF. In this paper, we have considered the transient characteristics for different combination of current and the speed controllers. A lineal model of proposed system is derived by considering those controllers and system stability is clarified by the root loci. Furthermore, simulation and experimental results are compared and discussed.
{"title":"Configuration of Current and Speed Controllers for a Simplified Sensorless Vector Control System of IPMSM","authors":"M. Tsuji, S. Hamasaki, Kosuke Nakamura, A. Del Pizzo","doi":"10.1109/SPEEDAM.2018.8445264","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445264","url":null,"abstract":"Extended electro motive force (EMF) based sensorless vector control of IPMSM is one of the representative methods. We have proposed a simplified sensorless vector control system without using an observer on the basis of the extended EMF. In this paper, we have considered the transient characteristics for different combination of current and the speed controllers. A lineal model of proposed system is derived by considering those controllers and system stability is clarified by the root loci. Furthermore, simulation and experimental results are compared and discussed.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123665439","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445392
Luca Tessaro, Cristiano Raffaldi, M. Rossi, D. Brunelli
With the growing interest in Internet of Things and Industry 4.0, the LoRa technology has started to be tested for the use in industrial environments. In this work, LoRa performance and noise robustness for a specific industrial application is assessed. Experimental results demonstrate that LoRa communication can be used without severe impact on the reliability and packet loss. An accurate analysis determines also the best configuration and the trade off between data rate and packet loss.
{"title":"LoRa Performance in Short Range Industrial Applications","authors":"Luca Tessaro, Cristiano Raffaldi, M. Rossi, D. Brunelli","doi":"10.1109/SPEEDAM.2018.8445392","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445392","url":null,"abstract":"With the growing interest in Internet of Things and Industry 4.0, the LoRa technology has started to be tested for the use in industrial environments. In this work, LoRa performance and noise robustness for a specific industrial application is assessed. Experimental results demonstrate that LoRa communication can be used without severe impact on the reliability and packet loss. An accurate analysis determines also the best configuration and the trade off between data rate and packet loss.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114318203","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}
Pub Date : 2018-06-01DOI: 10.1109/SPEEDAM.2018.8445251
G. R. Bindu, Jasna Basheer
Rotating machines with low air gap are always prone to Unbalanced Magnetic Pull (UMP) due to eccentric rotors. As a consequence, rotor-stator rub contact occur leading to complete outage of the machine. This paper proposes a control scheme to reduce the effects of eccentricity in 3 phase induction motor by introducing Feedforward (FF) and Feedback (FB) control. Active Magnetic Bearings (AMB) are incorporated to implement this scheme. To analyse the UMP for statically eccentric rotor and also for conical rotor motion in a 3 phase induction motor, Finite Element (FE) method is utilised. These values are used to design the proposed controller.
{"title":"A Novel Control Scheme to Mitigate Unbalanced Magnetic Pull due to Eccentric Rotor in Three Phase Induction Motors","authors":"G. R. Bindu, Jasna Basheer","doi":"10.1109/SPEEDAM.2018.8445251","DOIUrl":"https://doi.org/10.1109/SPEEDAM.2018.8445251","url":null,"abstract":"Rotating machines with low air gap are always prone to Unbalanced Magnetic Pull (UMP) due to eccentric rotors. As a consequence, rotor-stator rub contact occur leading to complete outage of the machine. This paper proposes a control scheme to reduce the effects of eccentricity in 3 phase induction motor by introducing Feedforward (FF) and Feedback (FB) control. Active Magnetic Bearings (AMB) are incorporated to implement this scheme. To analyse the UMP for statically eccentric rotor and also for conical rotor motion in a 3 phase induction motor, Finite Element (FE) method is utilised. These values are used to design the proposed controller.","PeriodicalId":117883,"journal":{"name":"2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121546950","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}