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Conversor ANPC com porta CC bidirecional secundária para conexão de sistemas de armazenamento de energia
(Universidade Federal de Santa Maria, 2020-11-06)
This doctoral dissertation presents a new multilevel converter topology, derived from the ANPC inverter, which allows the connection of energy storage systems directly to the topology in a secondary DC port. In this way, ...
Análise da eficácia luminosa de sistemas de iluminação com comunicação agregada
(Universidade Federal de Santa Maria, 2020-10-09)
Visible light communication (VLC) currently receives attention in the consumer electronics
media mainly because of the potential to improve the data rate of Internet access in short
range mobile communications, yet several ...
Co-otimização de fluxo de potência ótimo dinâmico baseado em preço com agendamento de reparos
(Universidade Federal de Santa Maria, 2020-12-21)
The main objective of the electric distribution system operators is to supply energy to the
loads at the lowest generation cost over a given time horizon, anticipating sudden changes
in demand and generation, a problem ...
Matheurística dinâmica e pro-ativa integrada a inversores híbridos para o gerenciamento robusto de recursos energéticos distribuídos
(Universidade Federal de Santa Maria, 2020-12-18)
The growing adhesion of residential consumers to renewable sources of Distributed Generation (DG), through small generation systems, combined with the perspective of Energy Storage Systems (ESS) in integration with energy ...
Rede neural NARX aplicada ao amortecimento de oscilações de potência
(Universidade Federal de Santa Maria, 2020-10-29)
The dynamics of power systems with time-varying and non-linear elements is a
complex matter since it involves continuous adjustments among every part for a
suitable and efficient performance. Small disturbances in the ...
Gerenciamento da operação de usinas virtuais em sistemas elétricos com recursos energéticos distribuídos baseada em eventos
(Universidade Federal de Santa Maria, 2020-02-20)
This doctoral thesis proposes a stochastic planning method to build multiobjective optimization
models for planning and managing virtual plants (VPP) with distributed generation, simulating
a set of features based on ...
Análise da estabilidade e controle de conversores CC-CC conectados em cascata
(Universidade Federal de Santa Maria, 2020-08-28)
The need to use renewable energy sources has driven the use of distributed energy generation systems. This type of system is formed by several interconnected stages that can consist of filters, converters, inverters, among ...
Uma arquitetura de comunicação com mecanismos para atendimento dos requisitos das redes elétricas inteligentes rurais
(Universidade Federal de Santa Maria, 2020-02-19)
The current transformation scenario in power distribution networks signals the need for alternative solutions in communication systems employed in making them intelligent. As a premise, these alternatives should be easy ...
Sistema autônomo de sensoriamento remoto espaço-temporal do céu por imagens e sua aplicação em sistemas distribuídos de energia.
(Universidade Federal de Santa Maria, 2020-12-17)
Cloud cover instability is the main impact and uncertainty factor on the forecast of energy generated in photovoltaic systems. Establishing reliable metrics for large-scale photovoltaic (PV) power forecasting models while ...
Requisitos dinâmicos de controle para o estágio de conversão C.C.-C.C. aplicado em sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2020-11-26)
Photovoltaic systems (PVs), in their usual condition, are controlled to track the maximum power point (MPP) in a natural solar dynamic. However, with the cheapness of solar energy and its integration with the most diverse ...