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Avaliação econômica da instalação de painéis fotovoltaicos em edificações urbanas de uso coletivo
(2019-12-13)
In 2012, the National Electric Energy Agency (ANEEL), through Normative Resolution
No. 482, relaxed the implementation of Distributed Generation in the country and, considering
the location and incidence of solar radiation ...
Análise e desenvolvimento de um conversor integrado com tensão de entrada universal e controle de intensidade luminosa para acionamento de leds
(Universidade Federal de Santa Maria, 2019-07-11)
This work presents the analysis and development of a new single-stage LED driver topology that integrates a boost bridgeless totem-pole converter operating as power factor correction (PFC) stage and a half-bridge LLC ...
Sistema para indicação de faltas na rede de distribuição de energia elétrica através do monitoramento de chaves fusíveis utilizando rede de comunicação LoRaWAN
(2019-12-10)
This work presents a solution for the lack of information verified by power distribution companies regarding the location of faults that occurred in its distribution system. By the monitoring of cutout fuses, it is possible ...
Análise de coincidência entre consumo e geração considerando a adesão a diferentes modalidades tarifárias associadas à geração distribuída para consumidores residenciais
(Universidade Federal de Santa Maria, 2019-12-09)
The typical Brazilian residential consumer load curve has a peak demand at the end of the day, requiring the electrical system to scale to the highest recorded load, even if it lasts for a few hours. This peak causes a ...
Classificação de faltas e seleção de fases para linhas de transmissão com meio comprimento de onda
(Universidade Federal de Santa Maria, 2019-12-04)
Growing demand for electricity around the world contributes increasingly to the expansion
of power transmission systems. Therefore, to harness the produced energy it is necessary
to establish connections between these ...
Análise de desempenho de um sistema de energia fotovoltaica localizado na cidade de Santa Maria - RS
(Universidade Federal de Santa Maria, 2019-12-18)
Currently, renewable resources have been the focus of numerous research due to concern for the environment. In this sense, there are several reasons for the implementation of renewable energy sources, including solar energy. ...
Técnica de controle e sincronismo aplicada a conversor NPC utilizando eliminação seletiva de harmônicas
(Universidade Federal de Santa Maria, 2019-12-09)
This work has the propose of using the Selective Harmonic Elimination (SHE) modulation technique applied to a three-phase converter connected to the power grid to operate at high power. Through a dq coordinates transformation ...
Método de controle Volt-VAr em sistemas de distribuição
(2019-12-06)
Due to the incessant seek of providing a quality energy service, it is inevitable that the consumer loads must be met with adequate voltage levels. Since they depend directly on the reactive power flow of the electric power ...
Avaliação dos métodos para bloqueio em linhas de três terminais
(Universidade Federal de Santa Maria, 2019-12-12)
The three-terminal lines expand as there are good reasons to use them, such as the cost
reduction associated with the need to build a substation at the point of connection. However, protection of three-terminal lines ...
Projeto e implementação de um fonte de alimentação para switching painéis elétricos usando o conversor de flyback
(2019-08-26)
Considering that the switched power supplies are widely implemented as power supplies
for the control and command circuits for the powering of electric engines, we sought to implement
a switched power supply using the ...