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Impacto do controle de potência reativa e tensão na detecção de ilhamento em gerações distribuídas
(Universidade Federal de Santa Maria, 2022-08-29)
The growing use of distributed generation create challenges to overcome in distribution
networks. Among these problems are unintentional islanding and voltage profile change by
the insertion of distributed generators. ...
Metodologia para parametrização da função de subtensão utilizada em geradores distribuídos
(Universidade Federal de Santa Maria, 2022-09-02)
One of the main concerns when sizing protection systems in distribution networks with
distributed generation connection is to ensure that islanding of these plants does not
occur. For this, several protection techniques ...
Contribuições ao estudo de conexão de geração eólica à rede elétrica
(Universidade Federal de Santa Maria, 2007-08-24)
Distribution systems have not been designed to receive distributed generation (DG) units. The electric energy injection in these systems is safe and reliable if the characteristics regarding of DG interconnection in ...
Análise e controle de aerogeradores com conversor pleno durante afundamentos de tensão
(Universidade Federal de Santa Maria, 2012-09-28)
This thesis addresses the main issues regarding the operation of full power converters
wind turbines connected to the grid under balanced and unbalanced voltage sags.
In the past, the grid codes allowed wind turbines to ...
Análise e desenvolvimento de controles para geração híbrida fotovoltaico-diesel
(Universidade Federal de Santa Maria, 2023-03-22)
The systems of generation, transmission and distribution of energy are always in
constant expansion. However, according to the Energy Research Company (EPE), in 2022 there
were are around 250 isolated locations in Brazil, ...
Análise do impacto de geração distribuída na rede de distribuição
(Universidade Federal de Santa Maria, 2023-04-10)
Currently there has been a growth in the number of distributed generation units, mainly photovoltaic panels, in consumers connected to the low voltage grid, this growth alters the functioning of the electrical power system. ...
Contribuições à identificação de regimes operacionais de centrais geradoras a biogás de aterros sanitários conectadas à rede
(Universidade Federal de Santa Maria, 2013-02-22)
This paper aims to propose the development of strategies for setting the best times of the day when a distributed generation of electricity (GD), which uses the biogas as fuel chemical reactions in urban solid waste, ...
Reconfiguração de redes de distribuição considerando multivariáveis e geração distribuída
(Universidade Federal de Santa Maria, 2014-02-28)
The new design of electric power system, called Smart Grid, has emerged as a new challenge
especially for power distribution networks, which need to promote greater functionality such
as real-time monitoring of the ...
Metodologia para despacho de fontes de GD a biogás em redes de distribuição utilizando lógica fuzzy
(Universidade Federal de Santa Maria, 2012-03-19)
The aim of this work is determine the most appropriated period for connection of a
particular generation source fueled by biogas on a distribution network. The biogas is
produced through anaerobic reactions that occur ...
Plataforma para testes de leis de controle de inversores conectados à rede utilizando hardware-in-the-loop
(Universidade Federal de Santa Maria, 2023-08-23)
The use of inverters in power systems has experienced rapid growth due to the advancement of
renewable energy sources. Improving these devices is essential to ensure compatibility and integration with other systems, as ...