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Análise eletromagnética e térmica de transformadores de distribuição utilizando simulações computacionais e ensaios laboratoriais
(Universidade Federal de Santa Maria, 2020-08-17)
A distribution transformer is able to operate when it attends to the electrical and mechanical requirements that norm ABNT NBR 5440 imposes. In this way, two transformer models, with the same tank volume but with geometrical ...
Projeto e simulação de um oscilador controlado por tensão para aplicações envolvendo radares empregando compensação em temperatura
(Universidade Federal de Santa Maria, 2022-08-30)
Radar systems are capable of producing measurements with great accuracy. However, such capacity depends on the components used in the system and the way in which these components interact. The receptor-exciter (REX) is one ...
Modelagem matemática utilizando transformadas de Laplace e séries de Fourier para descrever circuitos elétricos e suas aplicações
(Universidade Federal de Santa Maria, 2022-08-16)
The objective of this work is to use differential equation methods to solve circuits with a high degree of complexity, in a didactic and understandable way. In this way, mathematical tools such as Laplace transforms will ...
Controle preditivo de estados finitos baseado na teoria p-q para regulação de tensão e compensação de harmônicos em um GIAE isolado
(2022-08-29)
This work deals with a predictive finite set control together with the Instantaneous Power
Theory (p-q theory) for parallel compensation of an distributed off-grid generation system
based on a self-excited induction ...
Projeto de um sensor de TOF utilizando o ZR16S08 para aplicações de IOT
(Universidade Federal de Santa Maria, 2021-10-08)
The Internet of Things refers to the connection of various devices, sensors and actuators,
to a wireless network to obtain information and perform autonomous tasks. In this context,
with the expansion of the concept ...
Influência dos controles de tensão e de potência reativa na detecção de ilhamento de gerações síncronas distribuídas
(Universidade Federal de Santa Maria, 2022-08-26)
This paper is intended to analyse the influence of voltage and reactive power controls of synchronous distributed generation on islanding detection. The methods evaluated were Under/Over Frequency (UOF), Under/Over Voltage ...
Desenvolvimento de rotina em python para o download automatizado de imagens gratuitas do satélite sentinel-2
(Universidade Federal de Santa Maria, 2022-08-19)
One of the main challenges for concessionaires has been the fight against non-technical energy losses. These losses are caused by fraud, theft, and defects in measuring equipment, and it has generated huge financial costs ...
Estudo da distribuição de potenciais na superfície do solo em redes aterradas
(Universidade Federal de Santa Maria, 2023-01-27)
The growing demand for electricity in rural areas has been a challenge for the electricity
concessionaires. Because of that, it is important to develop technologies and methods to
guarantee more efficient and safer ...
Utilização de técnicas de deep learning para predição de desbalanceamento de massa em rotores de turbinas eólicas
(Universidade Federal de Santa Maria, 2022-08-15)
A source of clean, renewable and permanently abundant energy, wind electric energy has been increasingly sought after all over the world, both in academia and in the business sector, due to its very low environmental impact, ...
Implementação de um emulador de rede para testes de suportabilidade a afundamentos de tensão para inversores conectados à rede elétrica
(Universidade Federal de Santa Maria, 2023-01-25)
The present work presents the step by step of the design of electronic instrumentation circuits,
elaboration of the design of printed circuit boards and the method used to create scripts in
python programming language, ...