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Ferramenta computacional para auxiliar na redução de custos com energia elétrica
(Universidade Federal de Santa Maria, 2019-08-30)
Finding alternatives to reduce electricity costs is important, even more so if they are available on a single platform, and can be analyzed separately or together, quickly and practically, indicating accurate results. This ...
Classificação de eventos em monitoramento NILM de cargas elétricas residenciais utilizando rede neural convolucional
(Universidade Federal de Santa Maria, 2019-10-22)
In the context of the expected advances with the implementation of Smart Grids, enabling the modernization of the electricity billing system and making the management of residential electric power systems attractive, the ...
Metodologia para previsão de carga no horizonte de curto prazo utilizando redes neurais
(Universidade Federal de Santa Maria, 2019-08-28)
Competitiveness and the insertion of new technologies in the electricity sector now condition companies
to find ways to improve the quality of their services and ensure profitability. The short-term load
forecasting ...
Metodologia de controle Volt/Var coordenado para redes de distribuição a partir de lógica heurística
(Universidade Federal de Santa Maria, 2019-10-31)
The reactive power management and voltage control enable voltage profile
improvements. Maintain the voltage value within the appropriate ranges requires efficient
techniques that consider joint and coordinated operation ...
Conversores híbridos aplicados a audio: estudo comparativo com amplificadores classe D
(Universidade Federal de Santa Maria, 2019-09-13)
The convergence of knowledge related to mechanics, electronics and music has resulted in the development of a series of audio devices. Initially, signal amplifiers were developed working in linear region. Due to the ...
Conversor buck chaveado-linear: estudo e desenvolvimento
(Universidade Federal de Santa Maria, 2019-07-31)
In this dissertation is presented a voltage source converter consisting of a Buck converter and a linear amplifier connected in parallel. This configuration is called as a Switched-Linear converter and the main feature of ...
Análise da conexão de geradores eólicos duplamente alimentados com compensação série
(Universidade Federal de Santa Maria, 2008-08-29)
This dissertation addresses the main problems related to doubly-fed induction generators
(DFIG) connection to grids with unbalanced voltages. Series compensation is used
to achieve balanced voltage on the stator of the ...
Métodos para correção das distorções da forma de onda secundária causadas pela saturação de transformadores de corrente para serviço de proteção
(Universidade Federal de Santa Maria, 2011-02-18)
This work aims to evaluate the performance of some methods used to detect and
correct the distorted portions of the secondary current signal waveform, which occur due to
the core saturation of current transformers. Such ...
Aplicação de método de deslocamento de carga para sistemas de gerenciamento de energia
(Universidade Federal de Santa Maria, 2019-12-20)
In the context of expected advances with the implementation of smart grids and considering
the modernization of the forms of the electricity billing system in the relationship between
user and manager of the electric ...
Maximização do aproveitamento energético de painéis fotovoltaicos usando rastreadores mecânicos
(Universidade Federal de Santa Maria, 2015-03-13)
Photovoltaic market consolidation occurred in the last decade resulted in an increased contribution of this energy source in global electric power generation, especially in commercial and industrial distributed generation. ...