Palestra "Nanorredes CC de barramento duplo com conversor de interligação"

Resumo 
O conceito de nanorrede é adequado para aplicação em casas de energia com consumo médio nulo. Estes devem produzir tanta energia, idealmente de fontes renováveis, quanto eles consomem. Idealmente, eles devem ser conectados em rede enquanto capazes de operar de forma autônoma. Para isto, meios apropriados para armazenamento e gerenciamento de energia são essenciais. Nesta palestra, a nanorrede CA convencional é brevemente discutida e, em seguida, são introduzidas nanorredes CC. As características básicas das nanorredes de barramento único CC são apresentadas, incluindo interfaces eletrônicas de potência controladas de maneira descentralizada com uma estrutura hierárquica baseada na sinalização de barramento CC (DBS em Inglês). A alternativa de um sistema de barramento duplo CC com fontes de energia e unidades de armazenamento usadas em ambos os barramentos é discutida. O fluxo de energia bidirecional entre os barramentos é obtido por meio de um conversor de interligação. O conceito de um sistema de proteção baseado na coordenação de interfaces eletrônicas de potência e contatores adequados para nanorrede CC é introduzido. Esse tipo de sistema é uma alternativa interessante para o fornecimento de energia elétricas em localidades isoladas na Amazônia.

Abstract
The concept of nanogrids is suitable for application in net-zero energy homes. These should produce as much energy, ideally from renewables, as they consume. Ideally, they should be grid connected while capable of operating autonomously. Thus, appropriate means for energy storage and management are essential. In this talk, the conventional AC nanogrid is briefly discussed and then DC nanogrids are introduced. The basic characteristics of single-bus DC nanogrids are presented including power electronic interfaces controlled in a decentralized way with a hierarchical structure based on DC bus signaling (DBS). The alternative of a Dual DC bus system with power sources and storage units are employed in both buses is discussed. Bi-directional power flow between buses is achieved by means of an interlink converter. The concept of a protection system based on the coordination of power electronic interfaces and contactors suitable for DC nanogrids is introduced.

Speaker: Prof. Dr. Luiz Lopes

Luiz Lopes obtained his M.A.Sc. degree from UFSC (Brazil) in 1989 and the PhD degree from McGill University (Canada) in 1996. From 1996 to 2001 he was an Associate Professor with UFPA (Brazil). He joined the department of Electrical and Computer Engineering of Concordia University (Canada) in 2002, where he is a Professor. He has been an invited professor at EPFL (Switzerland), Université de Toulouse (France), SUPELEC (France) and UTBM (France). His expertise includes power electronics, renewable energy systems and distributed power generation. He has published more than 140 papers in refereed journals and conference proceedings and trained more than 40 graduate students. His research has been supported by NSERC (Discovery Grant, CRD, Engage), government agencies/laboratories (CanmetENERGY) and industry partners (ALCOA, Geodata, Bombardier, TM4, OPAL-RT, THALES). Dr. Lopes was a technical representative for Canada in Task 11 “PV Hybrid Systems within Mini-grids” of IEA-PVPS and leader of Activity 21 on mini-grid stability. He is a member of the international advisory board of Efficacity, French urban energy transition Institute. Dr. Lopes is a senior member of the IEEE and a member of the Ordre des Ingénieurs du Québec.

Local: Auditório do PGITEC
Transmissão ao vivo pelo link: www.aovivo.propesp.ufpa.br/original

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