2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)最新文献

Grid-connected converters with voltage support using only local measurements 仅使用局部测量支持电压的并网转换器

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-07-11 DOI: 10.1109/PEDG.2017.7972445

Ya Zhang, M. Hendrix, M. Roes, J. Duarte

引用次数: 2

High level performance models of double-star MMC converters 双星MMC转换器的高性能模型

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-07-07 DOI: 10.1109/PEDG.2017.7972559

H. Pereira, E. Kontos, R. Teodorescu

{"title":"High level performance models of double-star MMC converters","authors":"H. Pereira, E. Kontos, R. Teodorescu","doi":"10.1109/PEDG.2017.7972559","DOIUrl":"https://doi.org/10.1109/PEDG.2017.7972559","url":null,"abstract":"The development of Modular Multilevel Converter (MMC) technology is a breakthrough in the field of High and Medium Voltage applications. In general, simulations are needed to study a new application and to analyze the impact of a new converter in power systems. Thus, accurate models able to represent the dynamics present in the converter are required. This work aims to compare two MMC average models and one average model with three modulation strategies in order to propose high level models, able to represent the MMC dynamics, such as the injected active and reactive power, and the SMs capacitor voltages, without the necessity of switching models. A case study is presented considering a Double Star (DS) MMC, connected in a distribution system during an unbalanced voltage sag. The results shows that considering MMC average models only the steady state can be represented. On the other hand, when the modulation techniques are considered together with the MMC average models, it is possible to represent the capacitor voltage ripples and the grid current ripples increasing slightly the necessary processing time.","PeriodicalId":244223,"journal":{"name":"2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133135341","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

DC/DC Z-Source Converter applied to PV system 应用于光伏系统的DC/DC z源变换器

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972441

Lino A. De Castro, F. Antunes, E. M. Sá

引用次数: 1

Application of ADALINE-based ARX model to control the DC-link voltage in resonant inverters used in induction cookers 基于adaline的ARX模型在电磁炉谐振逆变器直流电压控制中的应用

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972453

J. Avilés, Valceres Vieira Rocha e Silva, F. L. Tofoli, A. S. de Morais

引用次数: 0

Modeling and simulation of photovoltaic systems under non-uniform conditions 非均匀条件下光伏系统的建模与仿真

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972524

H. S. Moreira, T. P. E. Oliveira, M. V. G. dos Reis, J. F. Guerreiro, M. G. Villalva, Thais Gama de Siqueira

引用次数: 15

Analysis of a grid-forming converter based on repetitive control in centralized AC microgrid 集中交流微电网中基于重复控制的成网变流器分析

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972462

H. Antunes, S. Silva, D. Brandão, Reginaldo V. Ferreira, Braz J. C. Filho

{"title":"Analysis of a grid-forming converter based on repetitive control in centralized AC microgrid","authors":"H. Antunes, S. Silva, D. Brandão, Reginaldo V. Ferreira, Braz J. C. Filho","doi":"10.1109/PEDG.2017.7972462","DOIUrl":"https://doi.org/10.1109/PEDG.2017.7972462","url":null,"abstract":"The power system is experiencing an expansion of distributed generators connected to the low voltage network. In this context appears the so-called microgrid, which consists of a group of electrical microsources, loads and storage elements controlled as a single unit whose may operate either connected to or islanded from the main grid. The microgrid can be arranged in a centralized structure, e.g., master-slave architecture, where the centralized converter, i.e., grid-forming converter plays a crucial role. It must promptly respond to load and grid variations, manage the transition from grid-connected to islanded mode, and define the voltage and frequency during islanded operation. This paper proposes a repetitive control tuned at even harmonic orders applied to a grid-forming converter instead of repetitive control tuned at odd harmonics as usual. Such grid-forming is devised in synchronous reference frame and applied to a centralized AC microgrid, particularly under islanded operation. Such microgrid is composed of linear and nonlinear load, a photovoltaic inverter and the grid-former converter itself. Through simulation results the microgrid power flow and power quality are analyzed evaluating the grid-forming converter operation.","PeriodicalId":244223,"journal":{"name":"2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114832192","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: 6

Flatness-based control of a boost inverter for PV microinverter application 基于平面度的升压逆变器控制在光伏微型逆变器中的应用

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972446

H. Renaudineau, D. Lopez, F. Flores-Bahamonde, S. Kouro

引用次数: 6

Short circuit behavior of Dual Active Bridge DCDC converter with low resistance DC side fault 低阻直流侧故障双有源桥式DCDC变换器的短路行为

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972511

Ali Virdag, T. Hager, Jingxin Hu, R. D. Doncker

{"title":"Short circuit behavior of Dual Active Bridge DCDC converter with low resistance DC side fault","authors":"Ali Virdag, T. Hager, Jingxin Hu, R. D. Doncker","doi":"10.1109/PEDG.2017.7972511","DOIUrl":"https://doi.org/10.1109/PEDG.2017.7972511","url":null,"abstract":"To estimate the short-circuit capacity of future low-voltage DC (LVDC) grids, it is important to determine the transient and steady state short-circuit (SC) current characteristics of DC-DC converter which is an integral part of LVDC grids. The study focuses on the short-circuit behavior of Dual Active Bridge (DAB) topology of DC-DC used for integrating LVDC grid applications like photovoltaic, battery storage systems and interconnecting MVDC to LVDC grids. Different cases are analyzed to estimate the minimum and maximum short-circuit current through DAB DC-DC converter. Simulations are performed by subjecting the DC-DC converter to a low resistance fault at the poles of the secondary side of the converter. The results depict the inherent ability of DAB converter to limit the short-circuit current in the range of rated converter current depending on the phase angle before the fault without turn-off of the semiconductor devices. Based on the rate of rise of SC current, maximum allowable turn-off time of the IGBT devices is discussed for the dimensioning and further analysis of converter control and DC circuit breaker.","PeriodicalId":244223,"journal":{"name":"2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127081564","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: 14

Modeling and control of a Dual Active Bridge for energy storage in DC microgrid applications 直流微电网储能双有源电桥的建模与控制

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972461

F. L. F. Marcelino, H. Sathler, T. R. de Oliveira, P. Donoso-Garcia

引用次数: 9

Multi-converters droop control in single-phase microgrid 单相微电网多变流器下垂控制

2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2017-04-17 DOI: 10.1109/PEDG.2017.7972450

L. S. De Araujo, D. I. Narváez, M. G. Villalva, Thais Gama de Siqueira

引用次数: 2