2017 Brazilian Power Electronics Conference (COBEP)最新文献_第5页

Modeling and control of interleaved buck converter for electric vehicle fast chargers 电动汽车快速充电器交错降压变换器的建模与控制

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257412

Gleisson Balen, A. R. Reis, H. Pinheiro, L. Schuch

引用次数: 13

Influence of the PLL phase-angle quality on the static and dynamic performance of grid-connected systems 锁相环相角质量对并网系统静态和动态性能的影响

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257425

Vinícius Dário Bacon, Vinícius de Souza, Estevão Terminiello Padim, S. A. Oliveira da Silva

{"title":"Influence of the PLL phase-angle quality on the static and dynamic performance of grid-connected systems","authors":"Vinícius Dário Bacon, Vinícius de Souza, Estevão Terminiello Padim, S. A. Oliveira da Silva","doi":"10.1109/COBEP.2017.8257425","DOIUrl":"https://doi.org/10.1109/COBEP.2017.8257425","url":null,"abstract":"This paper presents some effects that contribute to performance degradation of grid-connected systems, when they are subjected to operate under distorted reference phase-angle signals. In many power electronics applications, grid-tied systems are developed on the synchronous reference frame (SRF) and make use of the synchronous unit vector coordinates to compute their control references. Usually, the unit vector coordinates are generated from the estimation of the utility phase-angle, which is obtained by means of phase-locked loop (PLL) schemes. Thus, static and dynamic disturbances present in the utility voltage can generate distorted phase-angle signals, and, hence, can affect the quality of the synchronous unit vector coordinates. In this paper, two single-phase SRF-based PLL schemes, which operate under distorted utility voltage conditions, as well as distinct bandwidth PI controllers, are used to generate the current control references of a single-phase shunt active power filter (S-APF). Experimental results based on digital signal controller are used to evaluate the problems that can interfere on the S-APF performance.","PeriodicalId":375493,"journal":{"name":"2017 Brazilian Power Electronics Conference (COBEP)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122591905","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 novel non-isolated high DC-DC voltage based on boost converter employing coupled inductor 一种基于耦合电感升压变换器的新型非隔离高DC-DC电压

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257388

E. S. Hass, F. C. Corrêa, C. Nascimento

引用次数: 4

Analysis and simulation of a novel coupled inductor bidirectional DC-DC converter 一种新型耦合电感双向DC-DC变换器的分析与仿真

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257392

Murilo Brunel da Rosa, Menaouar Berrehil El Kattel, Robson Mayer, Maicon Douglas Possamai, S. Oliveira

引用次数: 5

Analysis of modulation techniques for an alternative five-level NPC converter used on adjustable-speed drives 一种可选的五电平NPC转换器用于可调速驱动器的调制技术分析

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257358

R. H. de Souza, José Lucas de L. Magalhães, G. R. da Silva, A. Luiz, M. M. Stopa

引用次数: 3

Finite set model predictive control of grid connected split-source inverters 并网分源逆变器的有限集模型预测控制

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257297

Juliano de Azevedo Borges, F. Grigoletto

引用次数: 25

Discontinuos carrier-based modulation for three level flying capacitor converter 三电平飞容变换器的非连续载波调制

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257411

Mauricio Mendes da Silva, Ademir Toebe, H. Pinheiro

引用次数: 1

Power voltage characteristics and global mppt algorithms for any severe partial shading condition 电力电压特性和任何严重部分遮阳条件下的全局最大功率算法

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257243

Artur M. S. Furtado, F. Bradaschia, M. Cavalcanti, L. Limongi, G. Azevedo

{"title":"Power voltage characteristics and global mppt algorithms for any severe partial shading condition","authors":"Artur M. S. Furtado, F. Bradaschia, M. Cavalcanti, L. Limongi, G. Azevedo","doi":"10.1109/COBEP.2017.8257243","DOIUrl":"https://doi.org/10.1109/COBEP.2017.8257243","url":null,"abstract":"The power-voltage curves of conventional series-parallel photovoltaic (PV) arrays under partial shading conditions show multiple peaks. The multiple peaks make the classical algorithms of maximum power point tracking (MPPT) ineffective. Thus, Global MPPT (GMPPT) algorithms are needful to track those curves global maximum power point (GMPP). Initially, this paper presents a statistical simulations study of the P-V characteristics of series-parallel arrays for any PS condition in a range of usual temperatures. This study has as contributions a set of GMPP distribution characteristics graphics and a set of P-V curves that exposes as false the continuously decreasing behavior of the power peaks in both sides of the GMPP, since this hypothetical behavior is claimed by several papers in literature to build GMPPT algorithms. Furthermore, as several GMPPT algorithms in literature have been also built and tested for simple, in a second moment this paper presents a comparative of two GMPPT algorithms found in literature that can track the GMPP in any PS condition. For this, simulations and experiments of these algorithms tracking the GMPP of three series-parallel arrays are carried for several severe PS condition in a range of usual temperatures and performance parameters as tracking time and voltage track are evaluated.","PeriodicalId":375493,"journal":{"name":"2017 Brazilian Power Electronics Conference (COBEP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114661308","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

Sliding mode vector control of non-sinusoidal permanent magnet synchronous machine 非正弦永磁同步电机的滑模矢量控制

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257409

J. Monteiro, A. G. de Castro, T. E. P. de Almeida

{"title":"Sliding mode vector control of non-sinusoidal permanent magnet synchronous machine","authors":"J. Monteiro, A. G. de Castro, T. E. P. de Almeida","doi":"10.1109/COBEP.2017.8257409","DOIUrl":"https://doi.org/10.1109/COBEP.2017.8257409","url":null,"abstract":"This work presents a sliding mode controller for the speed control of a surface-mount permanent magnet synchronous machine (PMSM) with non-ideal trapezoidal back-EMF, using vectorial non-sinusoidal modeling. The calculus of vector-based machine model considers an ideal trapezoidal back-EMF waveform, i.e., all control calculation is based on ideal back-EMF, but they are applied to a machine with a real back-EMF waveform, which can be considered a distorted trapezoid. For the sliding controller, this paper shows the use of a sigmoidal function, the hyperbolic tangent, instead of the signal function and uses a proper sliding surface that presents combined integrative action and anti-windup effect, which is applied to the vector-based model of the non-sinusoidal machine. The final system consists in a high performance controller, robust to machine parameters and disturbances, and light in its design as shown by the results. The chosen sliding surface with integrative control action, combined to an anti-windup feature and the torque ripple free vector-based model, give zero steady state speed error, minimizes the system speed output overshoot and ripple.","PeriodicalId":375493,"journal":{"name":"2017 Brazilian Power Electronics Conference (COBEP)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116125414","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

An isolated bidirectional soft-switching converter based on LLC resonant half-bridge with synchronous rectification 基于LLC谐振半桥同步整流的隔离型双向软开关变换器

2017 Brazilian Power Electronics Conference (COBEP) Pub Date : 2017-11-01 DOI: 10.1109/COBEP.2017.8257292

J. P. Coimbra, Renan C. Pontara, L. P. Loures, P. S. Almeida

引用次数: 4