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2007 7th International Conference on Power Electronics and Drive Systems最新文献

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Stability Analysis of Cascaded DC-DC Power Electronic System 级联直流-直流电力电子系统的稳定性分析
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487890
M. Veerachary, S. Sudhakar
{"title":"Stability Analysis of Cascaded DC-DC Power Electronic System","authors":"M. Veerachary, S. Sudhakar","doi":"10.1109/PEDS.2007.4487890","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487890","url":null,"abstract":"Stability analysis of the cascaded DC-DC power electronic system is analyzed in this paper. For demonstration boost converter supplying the hybrid switched capacitor converter considered as an example. The boost converter is acting as the bus converter, 42 V bus, while the switched capacitor converter is the point of load converter. The two converters are provided with voltage- mode and peak-current-mode controllers. Converter two- port network models are developed and then stability of the cascaded system has been analyzed. Cascaded system interaction effects, (i) source converter power handling capability with switching load, and (ii) load converter interfacing capability with bus converter, are analyzed. Simulation and experimental results are provided for verification purpose.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122837532","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: 20
Voltage and Frequency Controller for Parallel Operated Isolated Asynchronous Generators 并联隔离异步发电机的电压频率控制器
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487689
B. Singh, G. Kasal
{"title":"Voltage and Frequency Controller for Parallel Operated Isolated Asynchronous Generators","authors":"B. Singh, G. Kasal","doi":"10.1109/PEDS.2007.4487689","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487689","url":null,"abstract":"This paper deals with a voltage and frequency controller for parallel operated isolated asynchronous generators used in constant power applications such as driven by uncontrolled pico hydro turbines. The proposed controller is having capability of controlling the voltage and frequency in decoupled manner. For controlling the voltage, a static compensator (STATCOM) is used as a reactive power compensator along with harmonic eliminator and a load balancer while for controlling the frequency; an electronic load controller (ELC) is used to regulate the total active power at the generators terminals. The STATCOM is realized using IGBTs (Insulated gate bipolar junction transistors) based voltage source converter (VSC), and a capacitor as an energy storage element at its DC link, while an ELC consists of a diode bridge rectifier, a chopper switch and an auxiliary load. The proposed generating system along with its controller is modeled in MATLAB using SIMULINK and PSB (Power System Block Sets) toolboxes. The simulated results are presented to demonstrate the capability of an isolated generating system with the proposed controller.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122929271","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: 10
Capacitor Voltage Balancing Using Redundant States for Five-Level Multilevel Inverter 基于冗余状态的五电平多电平逆变器电容电压平衡
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487835
H. Hotait, A. Massoud, S. Finney, B. Williams
{"title":"Capacitor Voltage Balancing Using Redundant States for Five-Level Multilevel Inverter","authors":"H. Hotait, A. Massoud, S. Finney, B. Williams","doi":"10.1109/PEDS.2007.4487835","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487835","url":null,"abstract":"In this paper a new five-level inverter capacitor voltage balancing technique for high modulation index and high power factor operation is proposed. The proposed redundant state technique is based on dividing the space vector diagram of the five-level inverter into six three-level space vector diagrams. The original centre of the space vector diagram is shifted. New states of the space vector are determined, the dwelling time is calculated as for conventional two-level modulation, and the switching sequence is determined depending on the voltage level of the four dc link capacitors, using a redundant state method.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123887666","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: 3
A New Switching Technique for Direct Torque Control of Induction Motor using Four-Switch Three-Phase Inverter 采用四开关三相逆变器控制异步电动机直接转矩的新开关技术
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487877
P. Q. Dzung, L. M. Phương, P. Q. Vinh, N. M. Hoang, Nguyen Xuan Bac
{"title":"A New Switching Technique for Direct Torque Control of Induction Motor using Four-Switch Three-Phase Inverter","authors":"P. Q. Dzung, L. M. Phương, P. Q. Vinh, N. M. Hoang, Nguyen Xuan Bac","doi":"10.1109/PEDS.2007.4487877","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487877","url":null,"abstract":"This paper presents a new switching technique for direct torque control of induction motor using four-switch three phase inverter (DTC-FSTPI-IM) for low power applications. The modified switching table in this method is based on the principle of similarity between FSTPI and SSTPI (six-switch three phase inverter), where the alphabeta plan is divided into 6 sectors and the formation of the voltage space vector is done in the same way as for SSTPI by using effective (mean) vectors. This approach allows using the well-knowing established switching table of SSTPI for FSTPI, in order to reduce torque ripples in comparison with the conventional DTC method for FSTPI. The validity of new proposed technique is verified by simulation results using Matlab/Simulink and also experimentally by using DSpace 1104 Card.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124045970","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: 8
Torque Ripple Elimination for Doubly-Fed Induction Motors under Unbalanced Source Voltage 源电压不平衡条件下双馈异步电动机转矩脉动的消除
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487872
Hong-Geuk Park, A. G. Abo-Khalil, Dong-Choon Lee, K. Son
{"title":"Torque Ripple Elimination for Doubly-Fed Induction Motors under Unbalanced Source Voltage","authors":"Hong-Geuk Park, A. G. Abo-Khalil, Dong-Choon Lee, K. Son","doi":"10.1109/PEDS.2007.4487872","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487872","url":null,"abstract":"This paper proposes a control scheme which can eliminate the torque ripple of the DFIM at unbalanced source voltage. The machine torque is expressed using the positive and negative sequence components of the voltage and current. For suppression of the torque ripple, the stator reactive power ripple is controlled to be zero. The proposed torque elimination method is verified by simulation results using PSCAD/EMTDC.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121298663","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: 13
HCC PWM Control of the Single-Phase Bi-Directional Buck Converter giving IEEE 519 Compliance at any Power Factor 单相双向降压变换器的HCC PWM控制在任何功率因数下都符合IEEE 519标准
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487709
A. N. Arvindan, V. Sharma
{"title":"HCC PWM Control of the Single-Phase Bi-Directional Buck Converter giving IEEE 519 Compliance at any Power Factor","authors":"A. N. Arvindan, V. Sharma","doi":"10.1109/PEDS.2007.4487709","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487709","url":null,"abstract":"This paper presents unity, lagging and leading power factor operations, with near sinusoidal line currents, of the bi-directional buck type improved power quality AC-DC converter (IPQC) that employs power MOSFET embedded two-quadrant switches (2QSWs). The topology of the IPQC itself is capable of providing variable bi-directional DC link voltage and non-reversible current i.e. two quadrant operation, however, application of the hysteresis-band current control (HCC) pulse width modulation (PWM) technique renders operation of the converter in either quadrant, with a harmonic profile at the utility interface conforming to the IEEE 519 stipulations, by appropriately modifying the switching pattern of the 2QSWs. The control strategy is evaluated for the IPQC by simulations implemented in the single-phase topology of the converter. Results confirm that the technique confers IEEE 519 compliance on the converter with regard to the Total Harmonic Distortion (THD), and, are presented for unity, and, leading and lagging power factor operations in the rectification and inversion modes respectively.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128956597","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
Modelling of the Feeding Network of a Linear Synchronous Machine and Estimation of Model Parameters 线性同步电机馈电网络建模及模型参数估计
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487796
J. Rost, H. Gueldner, R. Hellinger, A. Weller
{"title":"Modelling of the Feeding Network of a Linear Synchronous Machine and Estimation of Model Parameters","authors":"J. Rost, H. Gueldner, R. Hellinger, A. Weller","doi":"10.1109/PEDS.2007.4487796","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487796","url":null,"abstract":"A method for modelling a linear synchronous drive-based transportation system is presented. The linear drive consists of power converter units, a cable network and long stator windings. These transmission elements can be modelled using two-port theory with frequency-dependent parameters. For characterisation of the frequency dependence of these parameters, polynomial functions, rational functions or equivalent circuits can be used. These characterisation techniques are compared with regard to their relative error. Furthermore, a method for transmission line parameter estimation during commissioning of the system is proposed.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129144456","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 48-pulse converter using dc-ripple injection 采用直流纹波注入的48脉冲变换器
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487762
F. J. Chivite-Zabalza, A. Forsyth
{"title":"A 48-pulse converter using dc-ripple injection","authors":"F. J. Chivite-Zabalza, A. Forsyth","doi":"10.1109/PEDS.2007.4487762","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487762","url":null,"abstract":"This paper presents a 3-phase, voltage-sourced, 48-pulse converter. The converter results from the combination of a series connected 12-pulse voltage- sourced rectifier with a passive voltage injection circuit, a passive current injection circuit and a bi-directional switch. The voltage and current injection circuits each use a single-phase rectifier bridge and a single-phase transformer circuit. Both the injection circuits and the bidirectional switch operate at six times the supply frequency and have a low rating. In this paper the converter operation is explained, analysed and simulated.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115951759","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
Power Quality Monitoring System Using Real-Time Operating System 基于实时操作系统的电能质量监控系统
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487681
K. Yingkayun, S. Premrudeepreechacharn, K. Oranpiroj
{"title":"Power Quality Monitoring System Using Real-Time Operating System","authors":"K. Yingkayun, S. Premrudeepreechacharn, K. Oranpiroj","doi":"10.1109/PEDS.2007.4487681","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487681","url":null,"abstract":"This paper represents the methodology for monitoring continuously of power quality (PQ) by using real-time operating system (RTOS). The monitoring system acquired analog signals and send data via Ethernet network based on RTOS programs. After obtained signals, the monitoring system then send PQ information to the personal computer. The applied protocol is the user datagram protocol (UDP) to send PQ information via Ethernet. The architecture and software implementation are mentioned in the paper. An application test was created to test the throughput of the communication between the measurement point and the target computer.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"242 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116390365","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
Optimal Generation Rescheduling for Security Operation of Power Systems Using Optimal Control Theory 基于最优控制理论的电力系统安全运行最优发电重调度
2007 7th International Conference on Power Electronics and Drive Systems Pub Date : 2007-11-01 DOI: 10.1109/PEDS.2007.4487859
J. Q. Sun, K. W. Chan, D. Z. Fang, Hong Kong Sar
{"title":"Optimal Generation Rescheduling for Security Operation of Power Systems Using Optimal Control Theory","authors":"J. Q. Sun, K. W. Chan, D. Z. Fang, Hong Kong Sar","doi":"10.1109/PEDS.2007.4487859","DOIUrl":"https://doi.org/10.1109/PEDS.2007.4487859","url":null,"abstract":"An approach of optimal generation rescheduling for security operation of power systems is proposed with a heuristic constraint of transient stability by setting the maximum generator angle difference less than a threshold value in a designated post-fault duration. With this constraint, a concept called stability performance index is introduced in the approach for developing optimal control model. Rules for evaluating the stability performance index are presented. A technique of inverse integration is utilized to evaluate the rescheduling actions by using the gradient of the index. This approach has the advantage that it is applicable to systems represented by complex detailed models. Case studies on the 10-machine New England test power system are given to show the effectiveness and efficiency of the approach. The results suggest that this approach is able to ensure the system operation security in avoiding any potential transient instability.","PeriodicalId":166704,"journal":{"name":"2007 7th International Conference on Power Electronics and Drive Systems","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116425976","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
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