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Máquina de vetores de suporte e técnicas estatísticas para previsão e classificação de falha de turbinas eólicas
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2021-03-25)
Wind energy is dominant technology among the generation of renewable energies in Brazil and due to the high growth in recent years there is a need to develop accurate fault diagnosis techniques in wind turbines to reduce ...
Detecção de desbalanceamento de massa no rotor de turbinas eólicas utilizando algoritmos de aprendizado profundo
(Universidade Federal de Santa MariaBrasilUFSMCentro de Tecnologia, 2022-08-19)
According to March 18, 2022 data from the Brazilian Wind Energy Association (ABEEólica) the average annual wind power generation supplies about 29 million households per month in Brazil, which corresponds to 86.4 million ...
Critical wind turbine components prognostics: a comprehensive review
(IEEE-Inst Electrical Electronics Engineers, 2020)
As wind energy is becoming a significant utility source, minimizing the operation and maintenance (O&M) expenses has raised a crucial issue to make wind energy competitive to fossil fuels. Wind turbines (WTs) are subject ...
A non-centralized predictive control strategy for wind farm active power control: A wake-based partitioning approach
(Pergamon-Elsevier Science Ltd, 2020-05)
Owing to wake effects, the power production of each turbine in a wind farm is highly coupled to the operating conditions of the other turbines. Wind farm control strategies must take into account these couplings and produce ...
Um método para Identificação de falhas em componentes e subcomponentes de turbinas eólicas através de monitoramento de Condição baseado em vibração
(Universidade Federal de PernambucoUFPEBrasilPrograma de Pos Graduacao em Engenharia Mecanica, 2016)
Energy-based iteration scheme of the double-multiple streamtube model in vertical-axis wind turbines
(Springer, 2016)
Due to their simplicity, blade element momentum models, such as the double-multiple streamtube (DMS) model, are among the most common models to predict the performance of Darrieus vertical-axis wind turbines (VAWTs). A ...
Proposta do uso de um indicador de OEE para auxiliar no planejamento da manutenção de aerogeradores eólicos
(Florianópolis, SC, 2022-07-20)
Um dos maiores custos envolvidos em um parque eólico é o de manutenção, principalmente,
quando ocorre após a falha de algum equipamento, que muitas vezes gera parada de maquinário,
refletindo na diminuição da lucratividade ...
Análise de desbalanceamento de massa, aerodinâmico e erosão no bordo de ataque em pás de aerogeradores utilizando aprendizado de máquina
(Universidade Federal de Santa MariaBrasilEngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia ElétricaCentro de Tecnologia, 2022-09-26)
Studies and surveys demonstrate that maintenance is responsible for up to 30% of a wind
turbine project total cost. This raises the necessity of improving the maintenance policies
in the wind energy industry. To improve ...
Computational fluid dynamics modelling and simulation of an inclined horizontal axis hydrokinetic turbine
(MDPI, 2018-11-14)
In this contribution, unsteady three-dimensional numerical simulations of the water flow through a horizontal axis hydrokinetic turbine (HAHT) of the Garman type are performed. This study was conducted in order to estimate ...