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2017 International Symposium on Power Electronics (Ee)最新文献

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Experimental validation of a non-linear robust controller for DC-DC boost converters DC-DC升压变换器非线性鲁棒控制器的实验验证
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171691
A. Markou, Foivos Palaiogiannis, A. Soldatos, N. Hatziargyriou
{"title":"Experimental validation of a non-linear robust controller for DC-DC boost converters","authors":"A. Markou, Foivos Palaiogiannis, A. Soldatos, N. Hatziargyriou","doi":"10.1109/PEE.2017.8171691","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171691","url":null,"abstract":"This paper presents the implementation of a nonlinear robust controller in a boost converter, which operates in an uncertain environment. The proposed controller deals with uncertainties, which are unknown but bounded, and occur in the input voltage and the output pure resistive load. Mathematical proof of the efficiency of the controller and quantitative results about the amount of the uncertainty that can be addressed are also presented. Controller stability and efficiency are further improved by applying Gain Scheduling theory and solving the appropriate optimization problem. Finally, the proposed controller operation is validated through experiments in a real boost converter constructed in the Electrical Power Systems Laboratory of National Technical University of Athens.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"238 9","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131623593","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: 2
Characterization and gate drive design of high voltage cascode GaN HEMT 高压级联GaN HEMT的特性及栅极驱动设计
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171670
Milan Pajnić, P. Pejovic, Z. Despotovic, M. Lazic, Miodrag Skender
{"title":"Characterization and gate drive design of high voltage cascode GaN HEMT","authors":"Milan Pajnić, P. Pejovic, Z. Despotovic, M. Lazic, Miodrag Skender","doi":"10.1109/PEE.2017.8171670","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171670","url":null,"abstract":"This paper covers characterization and gate drive design for high voltage, gallium nitride (GaN), high electron-mobility transistors (HEMT) in a cascode structure. Parameters of high voltage cascode GaN HEMT devices are described and compared to state-of-the-art Si MOSFET devices. Challenges in designing high frequency GaN based power converter and common design practices are described. Effects of increased switching frequency on gate drive design are analyzed by SPICE modeling and experiments. Optimization of a GaN HEMT driving circuit design is performed and verified experimentally on GaN HEMT half-bridge model.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"139 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115164277","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
Application of mobile solar OFF-grid Generator in irrigation system — Case study 移动太阳能离网发电机在灌溉系统中的应用——案例研究
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171710
M. Majstorovic, Z. Despotovic, L. Ristic
{"title":"Application of mobile solar OFF-grid Generator in irrigation system — Case study","authors":"M. Majstorovic, Z. Despotovic, L. Ristic","doi":"10.1109/PEE.2017.8171710","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171710","url":null,"abstract":"The paper presents multi-purpose mobile solar generator with modular structure, which provides power supply for both, single and three-phase consumers, in symmetrical, as well as unsymmetrical conditions. The additional feature of this device — pressure control in irrigation systems with three-phase centrifugal pump, is analyzed in details. The concept of irrigation systems based on the use of sprinklers is applied on a land plot with vegetables. Special attention is paid to the synthesis of PI pressure controller on the basis of a detailed mathematical models of the specific pumping system and mobile solar generator. The paper presents the results of measurements which were obtained in the real conditions on a land plot with irrigation system, with a critical review of the results obtained from the simulation model.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127822896","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: 2
Optimal scheduling of a household refrigerator using adaptive model predictive technique 基于自适应模型预测技术的家用冰箱优化调度
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171690
Roland Balint, K. Hangos, A. Magyar
{"title":"Optimal scheduling of a household refrigerator using adaptive model predictive technique","authors":"Roland Balint, K. Hangos, A. Magyar","doi":"10.1109/PEE.2017.8171690","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171690","url":null,"abstract":"A heuristic and adaptive model predictive control algorithm is presented in this work which operates domestic refrigerators connected to an electrical grid operating in a day-ahead market (DAM) and temperature constraints also have to be met by the refrigerator temperatures. The problem has been solved using the model predictive framework using a simple refrigerator model. This paper is a continuation of a previous work that has been extended so that the optimal scheduler algorithm adapts its steps to the actual estimated interior heat capacity of the refrigerator (which depends on the food quantity, food temperature, etc. in the interior). It is shown that the proposed adaptive MPC based scheduling algorithm gives a better performance (with respect to price) as opposed to the scheduling algorithm having no precise knowledge of the actual load of the refrigerator. Moreover, due to the adaptive behavior it was possible to decrease the running time of the optimal scheduler algorithm compared to the non-adaptive version.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124201954","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: 2
Optimized method for speed estimation using incremental encoder 基于增量编码器的速度估计优化方法
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171692
A. Anuchin, V. Astakhova, D. Shpak, A. Zharkov, F. Briz
{"title":"Optimized method for speed estimation using incremental encoder","authors":"A. Anuchin, V. Astakhova, D. Shpak, A. Zharkov, F. Briz","doi":"10.1109/PEE.2017.8171692","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171692","url":null,"abstract":"This paper proposes a high-performance speed measurement method for electric drives using incremental encoders. The proposed solution improves the period-based speed estimation method. Such methods suffer from low resolution of time measurement at high speeds. The proposed method solves this problem by processing every speed estimation between the consecutive execution of the speed controller predicting the speed signal in order to achieve maximum performance of the speed loop. The processing algorithm was suggested for the speed estimation. The new method was studied and compared with conventional methods with the modelling experiment. It shows a good step response transient with lower oscillation in comparison to conventional methods for the same tuning of the speed controller.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127685468","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: 11
Overview of voltage dips detection analysis methods 电压跌落检测分析方法概述
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171703
Aleksandar M. Stanisavljević, V. Katić, B. Dumnic, B. Popadic
{"title":"Overview of voltage dips detection analysis methods","authors":"Aleksandar M. Stanisavljević, V. Katić, B. Dumnic, B. Popadic","doi":"10.1109/PEE.2017.8171703","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171703","url":null,"abstract":"Voltage dips are significant threat for distributed generation (DG) connected via grid-tie inverter to the power system. Fast detection of voltage dips is essential for proper operation of the DGs. The paper presents an overview of different methods for their detection. The dips can be traced by appearance of voltage harmonics. Therefore, categorization of harmonics estimation techniques is given at the beginning. Then, methods of signal analysis, both parametric and nonparametric, are explained. At the end, hybrid methods, recursive methods and methods based on artificial intelligence are presented.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126965285","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
Impedance stability assessment of active damping strategies for LCL grid-connected converters LCL型并网变流器主动阻尼策略的阻抗稳定性评估
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171694
Enrique Rodríguez-Díaz, J. Vasquez, J. Guerrero, F. Freijedo
{"title":"Impedance stability assessment of active damping strategies for LCL grid-connected converters","authors":"Enrique Rodríguez-Díaz, J. Vasquez, J. Guerrero, F. Freijedo","doi":"10.1109/PEE.2017.8171694","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171694","url":null,"abstract":"The use of LCL filters is a well accepted solution to attenuate the harmonics created by the pulsewidth modulation (PWM). However, inherently LCL filters have a resonance region where the unwanted harmonics are amplified, which can compromise instability. Active damping strategies are implemented as a countermeasure. This paper analyses the robustness of the closed-loop dynamics when different active damping strategies are implemented. Due to their readiness and simplicity, the following schemes are considered: 1) filtered capacitor voltage feed-forward and 2) notch filters in cascade with the main current controller. The impedance/admittance stability formulation is used to model the system, which has been proven to be very convenient for the assessment of robustness. The design case study shows that the filtered capacitor voltage feed-forward provides a more robust implementation than the one based on a series notch filter. Experimental tests are provided, which prove the accuracy of the analysis and verifies the findings.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127555526","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
Optimal fractional order PID controllers design based on genetic algorithm for time delay systems 基于遗传算法的时滞系统分数阶PID控制器设计
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171685
M. Nekoui, M. Pakzad, S. Pakzad
{"title":"Optimal fractional order PID controllers design based on genetic algorithm for time delay systems","authors":"M. Nekoui, M. Pakzad, S. Pakzad","doi":"10.1109/PEE.2017.8171685","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171685","url":null,"abstract":"In this paper a new method to design optimal fractional order proportional-integral-derivative (PI<sup>λ</sup>D<sup>μ</sup>) controllers for time delay systems is presented. In PI<sup>λ</sup>D<sup>μ</sup> controllers' parameters are composed of proportionality constant, integral constant, derivative constant, derivative order and integral order, and its design is more complex than that of conventional integer-order proportional-integral-derivative (PID) controller. In this study, Genetic Algorithm (GA) is employed to determine the optimum set of parameters of a 2-DOF fractional PI<sup>λ</sup>D<sup>μ</sup> controller. The structure of the controller consists of a conventional PD and a fractional PI<sup>λ</sup>D<sup>μ</sup> controller. The objective is to design a controller so that the process output follows, in some desired way, the corresponding reference signal, and the influence of the disturbance is minimal. The problem of finding appropriate parameters for this 2-DOF controller is transferred into an optimization problem that could be solved by GA. Simulation results demonstrate the excellence of the proposed fractional order PI<sup>λ</sup>D<sup>μ</sup> controller to conventional integer order PID controllers.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131201405","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
Dual three-phase PM generator parameter identification using experimental and simulated system responses 双三相永磁发电机参数识别的实验和模拟系统响应
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171678
M. Zabaleta, E. Levi, Martin Jones
{"title":"Dual three-phase PM generator parameter identification using experimental and simulated system responses","authors":"M. Zabaleta, E. Levi, Martin Jones","doi":"10.1109/PEE.2017.8171678","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171678","url":null,"abstract":"The paper describes a procedure to identify the dq inductances of an electric machine, which is here applied to a dual three-phase PM machine. A hybrid simulation/ experimental approach is utilised. A power converter is used to force step current transients and the responses are recorded. These are then fed into a combined parameter estimation/ simulation model, which yields at the output the machine parameters that provide the best fit of the simulation results to the experimental responses. The machine used in the testing is a 150kW generator.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128128373","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
Torque ripple calculation of two-phase IM supplied by three-leg VSI with PWM output voltage control 带PWM输出电压控制的三支路VSI两相IM转矩脉动计算
2017 International Symposium on Power Electronics (Ee) Pub Date : 2017-10-01 DOI: 10.1109/PEE.2017.8171679
P. Záskalický
{"title":"Torque ripple calculation of two-phase IM supplied by three-leg VSI with PWM output voltage control","authors":"P. Záskalický","doi":"10.1109/PEE.2017.8171679","DOIUrl":"https://doi.org/10.1109/PEE.2017.8171679","url":null,"abstract":"The contribution deals with steady state estimation of an electromagnetic torque ripples and a current waveform of a two-phase induction motor (IM) supplied by an three-leg IGBT bridge connected voltage source inverter (VSI). The inverter's output voltage is controlled by a modified sinusoidal SPWM of the input DC voltage. The complex Fourier series analysis of the inverter's output voltage was made, to obtain a spectrum of the harmonic supply voltage. The different voltage harmonics have been applied to the two-phase induction machine model to obtain electromagnetic torque and supply current waveforms for various operation states.","PeriodicalId":243099,"journal":{"name":"2017 International Symposium on Power Electronics (Ee)","volume":"161 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134399378","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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