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Proceedings of 1994 IEEE Workshop on Computers in Power Electronics最新文献

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Multitechnique software for DC/AC three-phase converters 用于直流/交流三相变换器的多技术软件
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396719
O. Montero, A. Castro
{"title":"Multitechnique software for DC/AC three-phase converters","authors":"O. Montero, A. Castro","doi":"10.1109/CIPE.1994.396719","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396719","url":null,"abstract":"This paper presents a system which works as a pulse generation stage to drive three-phase DC/AC converters, also named inverters. This pulse generation stage is multiple because it is based on the most important control techniques to drive inverters, such as PWM techniques, and was developed on a personal computer. The system has two main operation modes: visualization or simulation and real or emulation. The first allows one to select a technique from the menu and see pulses generated to turn-on and turn-off the power semiconductor of the inverter, phase voltage waveforms, line voltages waveforms and spectrum of harmonic content of voltages waveforms according to data input entered previously. The second mode works as the first one but now the pulses generated are used to drive a DC/AC converter connected to a computer through an interface. Results are presented for both modes.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116931521","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 maximum likelihood approach to harmonics measurements in power systems 电力系统谐波测量的最大似然法
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396709
T. Gouraud, F. Auger, M. Guglielmi, M. Machmoum, S. Siala, M. Benkhoris
{"title":"A maximum likelihood approach to harmonics measurements in power systems","authors":"T. Gouraud, F. Auger, M. Guglielmi, M. Machmoum, S. Siala, M. Benkhoris","doi":"10.1109/CIPE.1994.396709","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396709","url":null,"abstract":"Estimating the amplitudes and phases of the harmonic components of one or three-phase currents (and voltages) is required for efficient active power filtering. In this paper, we propose a new approach based on the maximum likelihood principle. This estimation is unbiased and reaches the lowest statistical variance. Moreover, its computational burden is shown to be weaker than for any other method. Two algorithms are also derived to track slowly-varying nonstationary harmonic signals.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124558049","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
Reliability analysis via numerical simulation of power electronic circuits 电力电子电路可靠性数值模拟分析
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396720
L. Kamas, S. Sanders
{"title":"Reliability analysis via numerical simulation of power electronic circuits","authors":"L. Kamas, S. Sanders","doi":"10.1109/CIPE.1994.396720","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396720","url":null,"abstract":"This paper gives conceptual background on reliability analysis in the presence of circuit parameter variation. A method for reliability analysis, the first-order reliability method (FORM), is described in detail and demonstrated on circuit examples. Simulation results are then compared to a Monte Carlo analysis.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129456057","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
Visualization of magnetic flux density in ferrite core structures 铁氧体磁芯结构中磁通密度的可视化
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396692
G. Skutt, F. Lee
{"title":"Visualization of magnetic flux density in ferrite core structures","authors":"G. Skutt, F. Lee","doi":"10.1109/CIPE.1994.396692","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396692","url":null,"abstract":"The use of two-dimensional numerical computation of magnetic field solutions for inductors and transformers is examined and the display of such data in an instructional and useful form is discussed. The emphasis of the paper is on the intuitive insights provided by computer animation and other visualization techniques. Such techniques offer a qualitative understanding of the effects of device construction on the resulting magnetic field distributions and aid in both the basic understanding of magnetic device operation and the exploration of unusual or unfamiliar operating modes. The topic of the occurrence of dimensional resonance in ferrite magnetic cores is used as an example to illustrate the use of various visualization techniques.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124029653","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: 5
Large-signal analysis and simulation of switching regulators 开关稳压器的大信号分析与仿真
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396697
J. Calvente, F. Guinjoan, L. Martinez, A. Poveda
{"title":"Large-signal analysis and simulation of switching regulators","authors":"J. Calvente, F. Guinjoan, L. Martinez, A. Poveda","doi":"10.1109/CIPE.1994.396697","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396697","url":null,"abstract":"In this paper a general nonlinear continuous formulation procedure for large-signal analysis of switching DC-DC converters is presented. The model equations can be easily introduced into general purpose simulators resulting in good accuracy and small simulation time. The technique is applied to the modelling and analysis of the elementary buck, boost and buck-boost converters. A boost converter operating in constant frequency current-programmed mode has been used to illustrate the application of the method.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131439771","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
Using simulation as an integral part of the power converter design process 将仿真作为电源变换器设计过程中不可分割的一部分
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396728
S. Chwirka
{"title":"Using simulation as an integral part of the power converter design process","authors":"S. Chwirka","doi":"10.1109/CIPE.1994.396728","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396728","url":null,"abstract":"This paper presents a method for designing and validating switched power converters using simulation. A forward (two switch) voltage mode control converter is used as an example. This paper describes a step by step approach using the Saber simulator and PowerExpress (power converter design package used with Saber) as tools of choice. The results provide a logical method which the designer can use to incorporate simulation as a design aid.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132471623","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
Multi-parameter homotopy for finding periodic solutions of power electronic circuits 求解电力电子电路周期解的多参数同伦
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396701
D. Wolf, S. Sanders
{"title":"Multi-parameter homotopy for finding periodic solutions of power electronic circuits","authors":"D. Wolf, S. Sanders","doi":"10.1109/CIPE.1994.396701","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396701","url":null,"abstract":"Commonly used methods for calculating periodic steady state, such as forward integration and shooting, may fail for highly nonlinear circuits with multiple solutions and/or multiple time scales. Homotopy continuation methods, because of their potentially large or global regions of convergence, and suitability for finding multiple solutions, have been applied to the calculation of periodic steady state for such systems. This paper applies real and complex multi-parameter homotopy to finding periodic solutions of power electronic circuits. We show that multi-parameter homotopy methods can avoid period-doubling and cyclic fold bifurcations along solution paths, and find all stable and unstable periodic solutions along folding or period-doubling paths. We distinguish between circuit-direct and formulation-indirect homotopy, and show that the latter (with two real parameters) can avoid period-doubling bifurcations, while the former cannot.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131808833","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
Computer simulation of a neural network controlled buck converter 神经网络控制降压变换器的计算机仿真
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396744
F. Maddaleno
{"title":"Computer simulation of a neural network controlled buck converter","authors":"F. Maddaleno","doi":"10.1109/CIPE.1994.396744","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396744","url":null,"abstract":"This work presents the first results obtained by the simulation of a neural network (NN) controlling a DC to DC buck converter. An approach has been chosen in which the NN observes the input disturbances, the state variables and controls the output voltage. Input voltage and output current have been considered as input disturbances, and the network has been trained on typical signals, and then tested on another set of combined disturbances. The simulation has been carried out using MATLAB.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115380660","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 electronics system modeling and simulation 电力电子系统建模与仿真
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396740
J. Lai
{"title":"Power electronics system modeling and simulation","authors":"J. Lai","doi":"10.1109/CIPE.1994.396740","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396740","url":null,"abstract":"This paper introduces control system design based software packages, SIMNON and MATLAB/SIMULINK, for power electronics system simulation. A complete power electronics system typically consists of a rectifier bridge along with its smoothing capacitor, an inverter and a motor. The system components, featuring discrete or continuous, linear or nonlinear devices are modeled using mathematical equations. Inverter control methods, such as pulse-width-modulation and hysteresis current control, are expressed using either computer algorithms or digital circuits. After describing component models and control methods, computer programs are then developed for complete system simulation. Simulation results are mainly used for studying system performances such as input and output current harmonics, torque ripples and speed responses. Key computer programs and simulation results are demonstrated for educational purposes.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116924137","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: 7
Commutating failure of a single-phase line-commutated inverter 单相线换相逆变器的换相故障
Proceedings of 1994 IEEE Workshop on Computers in Power Electronics Pub Date : 1994-08-07 DOI: 10.1109/CIPE.1994.396727
M. Kobayashi
{"title":"Commutating failure of a single-phase line-commutated inverter","authors":"M. Kobayashi","doi":"10.1109/CIPE.1994.396727","DOIUrl":"https://doi.org/10.1109/CIPE.1994.396727","url":null,"abstract":"This paper introduces a new point of view to resolve the commutating failure of a single-phase line-commutated inverter. It is widely believed that the outbreak of this failure is due to the turn-off characteristics of an actual device. From this viewpoint, the safety marginal angle (/spl gamma//sub min/) has been recommended as a practice of engineering. However, this practical concept is completely inaccurate. Here, dynamic commutating failure is defined and studied. An algorithm and methodology for a systematic method of treatment of operational modes are formulated. Also a new method of recovery from such a failure is developed.<<ETX>>","PeriodicalId":123138,"journal":{"name":"Proceedings of 1994 IEEE Workshop on Computers in Power Electronics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125631426","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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