Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Selênio Rocha Silva"'
Autor:
Antonio Samuel Neto, Eduardo Luiz Reis Pinheiro, Francisco de Assis dos Santos Neves, Selênio Rocha Silva, Pedro André Carvalho Rosas
Publikováno v:
Eletrônica de Potência, Vol 10, Iss 2, Pp 67-75 (2005)
Neste artigo, apresentam-se a modelagem de aerogeradores e a análise dos efeitos da sua conexão em redes elétricas. São contempladas três diferentes topologias de turbinas: com gerador de indução com rotor tipo gaiola, com gerador de indução
Externí odkaz:
https://doaj.org/article/1c33ed5a2a384448b041af2ab913e851
Publikováno v:
Eletrônica de Potência, Vol 8, Iss 2, Pp 61-68 (2003)
Este trabalho avalia a suportabilidade de dois acionamentos a velocidade variável (ASD´s) trifásicos, de baixa potência (220/230V - 5kVA e 230V - 2,2kW), frente a afundamentos de tensão oriundos de faltas trifásicas equilibradas e desequilibrad
Externí odkaz:
https://doaj.org/article/8411d513ebb14b678c081b51bfb7c5a3
Autor:
Rodrigo Gaiba de Oliveira, João Lucas da Silva, Selênio Rocha Silva, Balduino Rabelo Junior, Wilfried Hofmann
Publikováno v:
Eletrônica de Potência, Vol 13, Iss 4 (2008)
Devido ao alto nível de inserção de usinas eólicas, na rede elétrica, estão sendo requeridos pelos códigos de conexão na rede, que as modernas turbinas eólicas contribuam para a estabilidade da rede elétrica, ajustando-se a freqüência atr
Externí odkaz:
https://doaj.org/article/4caaee398cd349eda78172489322faa9
Autor:
Victor F. Mendes, Clodualdo Venicio de Sousa, Selênio Rocha Silva, Guilherme Monteiro de Rezende, Frederico F. V. Matos
Publikováno v:
Journal of Control, Automation and Electrical Systems. 27:105-117
A significant number of power apparatus, before being commercialized or during maintenance, are submitted to laboratory tests where real operation conditions are emulated. These tests generally demand high energy consumption which increases the maint
Publikováno v:
IET Renewable Power Generation. 9:783-791
Modern grid codes worldwide determine specific requirements for the connection of wind energy conversion systems (WECSs) to the grid. One of the requirements is the ride-through fault capability (RTFC) or low-voltage ride-through (LVRT), which define
Autor:
Wadaed Uturbey, Selênio Rocha Silva, Eduardo G. Carrano, Márcio Melquíades Silva, Manuel Losada y Gonzalez
Publikováno v:
IET Generation, Transmission & Distribution. 9:855-865
This study presents a new methodology for modelling and handling with aggregated harmonic loads and linear loads in the harmonic power flow analysis. This method, so-called variable load method, can be used in balanced and unbalanced systems and for
Publikováno v:
Renewable Energy. 41:220-226
Solar photovoltaic energy is a very promising and important sustainable global energy source. Despite its many advantages, it is still an expensive alternative, which explains the fact that it has not yet became commercially popular. Studies already
Publikováno v:
Renewable Energy and Power Quality Journal. :647-652
Wind power plants are playing an important role in renewable energy generation in this decade. With the enhancements in its technology, mainly based on the aggregation of power electronics, many studies have been carried for evaluating their impact i
Modeling and Ride-Through Control of Doubly Fed Induction Generators During Symmetrical Voltage Sags
Autor:
Wilfried Hofmann, Victor F. Mendes, Balduino Rabelo, Clodualdo Venicio de Sousa, Selênio Rocha Silva
Publikováno v:
IEEE Transactions on Energy Conversion. 26:1161-1171
Modern grid codes determine that wind generation plants must not be disconnected from the grid during some levels of voltage sags and contribute to network stabilization. Wind energy conversion systems equipped with the doubly fed induction generator