Pub Date : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778583
Ming Chuan Huang, A. Moses, Fatih Anayi
this paper compares two types of position calibration techniques: angle PI regulation and stochastic variance adjustment applied in three state-estimation observers and flux-linkage observer for sensorless control Permanent Magnet Synchronous Motor (PMSM). Three types of state-estimation observers are Extended Kalman Filter (EKF), Linear Kalman Filter (LKF) and Single Dimension Luenberger observer (SDL). Experimental result shows that the difference between various sensorless state-estimation techniques is decided by error calibration type.
{"title":"Position Calibration Techniques Comparison for Sensorless Control PMSM Based on Variance Adjustment and Angle Regulation","authors":"Ming Chuan Huang, A. Moses, Fatih Anayi","doi":"10.1109/EPEPEMC.2006.4778583","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778583","url":null,"abstract":"this paper compares two types of position calibration techniques: angle PI regulation and stochastic variance adjustment applied in three state-estimation observers and flux-linkage observer for sensorless control Permanent Magnet Synchronous Motor (PMSM). Three types of state-estimation observers are Extended Kalman Filter (EKF), Linear Kalman Filter (LKF) and Single Dimension Luenberger observer (SDL). Experimental result shows that the difference between various sensorless state-estimation techniques is decided by error calibration type.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116316520","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778396
Pål Andreassen, G. Guidi, T. Undeland
When a synchronous buck converter is operated with zero voltage switching (ZVS) and fixed frequency, the direction of the current in the output inductor is alternated each switching period. Thus the output current ripple of the converter is high to ensure zero voltage switching operation at maximum load. With interleaved outputs this leads to high circulating currents at low loads. In this paper, to minimize circulating currents at low loads, solutions for digital control of ZVS with variable switching frequency and interleaving control for bidirectional power flow are presented. The methods have been implemented in a DSP and verified by measurements.
{"title":"Digital Variable Frequency Control for Zero Voltage Switching and Interleaving of Synchronous Buck Converters","authors":"Pål Andreassen, G. Guidi, T. Undeland","doi":"10.1109/EPEPEMC.2006.4778396","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778396","url":null,"abstract":"When a synchronous buck converter is operated with zero voltage switching (ZVS) and fixed frequency, the direction of the current in the output inductor is alternated each switching period. Thus the output current ripple of the converter is high to ensure zero voltage switching operation at maximum load. With interleaved outputs this leads to high circulating currents at low loads. In this paper, to minimize circulating currents at low loads, solutions for digital control of ZVS with variable switching frequency and interleaving control for bidirectional power flow are presented. The methods have been implemented in a DSP and verified by measurements.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"195 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123554877","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778530
N. Karim, J. Azzouzi, G. Barakat, B. Dakyo
In this paper, a complete analytical model of an axial flux permanent magnet synchronous machine (AFPMSM) is investigated. This modeling is based on an exact 2D solution of the magnetic field in the machine derived from the Maxwell's equations and coupled with the winding function theory to calculate the back EMF, the self and mutual inductances. The developed analytical model is then used to simulate a 10 kW / 130 rpm, 28-poles, AFPMSM dedicated to wind energy application (WEA). According to the simulation results, it is possible to evaluate the performance of the AFPMSM with reasonable accuracy via the developed analytical model.
{"title":"Complete Analytical Modeling of an Axial Flux PM Synchronous Machine for Wind Energy Application","authors":"N. Karim, J. Azzouzi, G. Barakat, B. Dakyo","doi":"10.1109/EPEPEMC.2006.4778530","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778530","url":null,"abstract":"In this paper, a complete analytical model of an axial flux permanent magnet synchronous machine (AFPMSM) is investigated. This modeling is based on an exact 2D solution of the magnetic field in the machine derived from the Maxwell's equations and coupled with the winding function theory to calculate the back EMF, the self and mutual inductances. The developed analytical model is then used to simulate a 10 kW / 130 rpm, 28-poles, AFPMSM dedicated to wind energy application (WEA). According to the simulation results, it is possible to evaluate the performance of the AFPMSM with reasonable accuracy via the developed analytical model.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117162159","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778512
M. Malinowski, W. Kolomyjski, M. Kazmierkowski, S. Stynski
This paper proposes an advanced control of three-phase three-level neutral point clamped (3L-NPC) PWM converter connecting a permanent magnet synchronous generator (PMSG) to a grid. Control scheme is mainly based on active and reactive power loops and contains following additional blocks: virtual flux and filter-capacitor voltage estimators for sensorless operation, active damping (AD) of possible resonances in LCL filter connecting converter to the grid, PWM modulator with DC link voltage balancing and minimization of switching losses. It is shown that the proposed control method exhibits several features as: sensorless operation, robust algorithm, minimization of switching losses as well as simple tuning procedure of AD. Simulation and experimental results have proven a good performance and verified the validity of the proposed system.
{"title":"Advanced DSP Control of 3-Level DC/AC Converter for Variable-Speed PMSG","authors":"M. Malinowski, W. Kolomyjski, M. Kazmierkowski, S. Stynski","doi":"10.1109/EPEPEMC.2006.4778512","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778512","url":null,"abstract":"This paper proposes an advanced control of three-phase three-level neutral point clamped (3L-NPC) PWM converter connecting a permanent magnet synchronous generator (PMSG) to a grid. Control scheme is mainly based on active and reactive power loops and contains following additional blocks: virtual flux and filter-capacitor voltage estimators for sensorless operation, active damping (AD) of possible resonances in LCL filter connecting converter to the grid, PWM modulator with DC link voltage balancing and minimization of switching losses. It is shown that the proposed control method exhibits several features as: sensorless operation, robust algorithm, minimization of switching losses as well as simple tuning procedure of AD. Simulation and experimental results have proven a good performance and verified the validity of the proposed system.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124778974","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778527
A. L. Neri, A.C.C. Lyra
The Single-Phase Induction Motor (SPIM) has a high starting current and needs a centrifugal switch to disconnect the auxiliary winding. Using soft starters or single-phase variable speed drivers can properly solve these two problems. However, these solutions are expensive. In this paper we discuss the new topology supply for SPIM using Triacs, called Double Dimmer Supply Method, which focuses on the angle control between the main and auxiliary winding voltages.
{"title":"Starting Control Using Angle Adjustment of the Double Dimmer Supply Method for Single-Phase Induction Motor","authors":"A. L. Neri, A.C.C. Lyra","doi":"10.1109/EPEPEMC.2006.4778527","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778527","url":null,"abstract":"The Single-Phase Induction Motor (SPIM) has a high starting current and needs a centrifugal switch to disconnect the auxiliary winding. Using soft starters or single-phase variable speed drivers can properly solve these two problems. However, these solutions are expensive. In this paper we discuss the new topology supply for SPIM using Triacs, called Double Dimmer Supply Method, which focuses on the angle control between the main and auxiliary winding voltages.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128296851","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778622
T. Siostrzonek, S. Piróg
This paper presents the results of research of the rotating energy accumulator. In the study the brushless DC motor with permanent magnet (PN=2,98 kW) was used as the motor-generator. The rotating mass made up the steel pipe. This accumulator stored about 4 MJ kinetic energy. The rotation speed was 6000 rpm. The inverter was constructed from intelligent power modules. The control of this one is based on module with FPGA and DSP
{"title":"The Flywheel Energy Storage with Brushless DC Motor - the Practical Results","authors":"T. Siostrzonek, S. Piróg","doi":"10.1109/EPEPEMC.2006.4778622","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778622","url":null,"abstract":"This paper presents the results of research of the rotating energy accumulator. In the study the brushless DC motor with permanent magnet (PN=2,98 kW) was used as the motor-generator. The rotating mass made up the steel pipe. This accumulator stored about 4 MJ kinetic energy. The rotation speed was 6000 rpm. The inverter was constructed from intelligent power modules. The control of this one is based on module with FPGA and DSP","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"695 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128578473","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778642
V. Pires, J. Silva
In this paper presents a current source active power filter controlled by a sliding mode approach is presented. The proposed control method is fast and robust and uses the sliding mode technique to generate alphabeta space-vector modulation. This allows forcing the input line currents to track the desired reference. With this control strategy the input currents of the active power filter are actively shaped, being possible to maintain the desired currents even with high ripple DC inductor current. Simulation results are presented and discussed. The obtained results show the effectiveness of the proposed control method
{"title":"A Current Source Active Power Filter Controlled by a Sliding Mode Approach","authors":"V. Pires, J. Silva","doi":"10.1109/EPEPEMC.2006.4778642","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778642","url":null,"abstract":"In this paper presents a current source active power filter controlled by a sliding mode approach is presented. The proposed control method is fast and robust and uses the sliding mode technique to generate alphabeta space-vector modulation. This allows forcing the input line currents to track the desired reference. With this control strategy the input currents of the active power filter are actively shaped, being possible to maintain the desired currents even with high ripple DC inductor current. Simulation results are presented and discussed. The obtained results show the effectiveness of the proposed control method","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128219824","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778603
J. Eloy-Garcia, S. Poullain, A. Benchaib
This paper presents a discrete-time nonlinear control of a voltage source converter (VSC) transmission system for wind farm connection to electrical network. After introducing discrete-time modeling of a VSC transmission scheme, discrete-time currents (i.e. P and Q) and DC bus voltage controllers synthesis is presented. Both voltage and current limitations are then taken into account through the introduction of voltage and current limitation circles. Control performances are then illustrated by simulation results. More particularly, transient behavior in case of voltage and current limitations is discussed. Finally, some conclusions and perspectives are given
{"title":"Discrete-Time Dead-Beat Control of a VSC Transmission Scheme Including Voltage and Current Limitations for Wind Farm Connection","authors":"J. Eloy-Garcia, S. Poullain, A. Benchaib","doi":"10.1109/EPEPEMC.2006.4778603","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778603","url":null,"abstract":"This paper presents a discrete-time nonlinear control of a voltage source converter (VSC) transmission system for wind farm connection to electrical network. After introducing discrete-time modeling of a VSC transmission scheme, discrete-time currents (i.e. P and Q) and DC bus voltage controllers synthesis is presented. Both voltage and current limitations are then taken into account through the introduction of voltage and current limitation circles. Control performances are then illustrated by simulation results. More particularly, transient behavior in case of voltage and current limitations is discussed. Finally, some conclusions and perspectives are given","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127354126","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778674
A. Zobaa, M. Jovanović
The size and number of wind farms contributing to the energy production is continuously growing. The rating of wind turbines has increased from less than 1 MW a few years ago to 2- to 3-MW being installed today with 5-MW machines under development. The interaction of the wind farm, reactive power compensators, and the associated power network is being investigated. Because the loads and the wind farms' output fluctuate during the day, the use of reactive power compensation is ideal for the power system network. The purpose of this study is to provide wind farm developers and interested researchers with some valuable insights into the reactive power compensation techniques for wind farm power systems
{"title":"A Comprehensive Overview on Reactive Power Compensation Technologies for Wind Power Applications","authors":"A. Zobaa, M. Jovanović","doi":"10.1109/EPEPEMC.2006.4778674","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778674","url":null,"abstract":"The size and number of wind farms contributing to the energy production is continuously growing. The rating of wind turbines has increased from less than 1 MW a few years ago to 2- to 3-MW being installed today with 5-MW machines under development. The interaction of the wind farm, reactive power compensators, and the associated power network is being investigated. Because the loads and the wind farms' output fluctuate during the day, the use of reactive power compensation is ideal for the power system network. The purpose of this study is to provide wind farm developers and interested researchers with some valuable insights into the reactive power compensation techniques for wind farm power systems","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130082559","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 : 2006-08-01DOI: 10.1109/EPEPEMC.2006.4778415
P. Zajec, D. Voncina
The paper deals with a realization of a dual power supply for serial DC motor. Usually this is achieved with a parallel operation where one power supply is connected directly while the other is coupled through the power converter. The proposed solution is based on Boost converter attached between the DC power supply and motor. The solution is unique due to integration of Boost choke winding on the stator pole thus omitting the use of additional magnetic core. The Boost choke winding has therefore two functions; i) it is part of the Boost converter and ii) it magnetizes the stator core of the motor (when the DC power supply is active). To avoid the increase of the nominal voltage of built in rectifier diodes, and secondly to minimize the interaction between both power supply, the magnetic coupling between the original stator winding and the Boost one should be weak.
{"title":"Boost Choke Integration into DC Serial Wound Motor","authors":"P. Zajec, D. Voncina","doi":"10.1109/EPEPEMC.2006.4778415","DOIUrl":"https://doi.org/10.1109/EPEPEMC.2006.4778415","url":null,"abstract":"The paper deals with a realization of a dual power supply for serial DC motor. Usually this is achieved with a parallel operation where one power supply is connected directly while the other is coupled through the power converter. The proposed solution is based on Boost converter attached between the DC power supply and motor. The solution is unique due to integration of Boost choke winding on the stator pole thus omitting the use of additional magnetic core. The Boost choke winding has therefore two functions; i) it is part of the Boost converter and ii) it magnetizes the stator core of the motor (when the DC power supply is active). To avoid the increase of the nominal voltage of built in rectifier diodes, and secondly to minimize the interaction between both power supply, the magnetic coupling between the original stator winding and the Boost one should be weak.","PeriodicalId":401288,"journal":{"name":"2006 12th International Power Electronics and Motion Control Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130790715","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}
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