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Unidade de condicionamento de sinais como elemento de interface entre transformadores de instrumentação e dispositivo de aquisição de dados
(Universidade Federal de Santa Maria, 2019-01-14)
This work describes the development of a voltage and current signal conditioning unit, applied as interface element between potential and current transformers, used in transformers tests, and a data acquisition device. ...
Projeto e análise de viabilidade de pontos de espera cobertos por painéis fotovoltaicos
(Universidade Federal de Santa Maria, 2019-01-18)
Nowadays, there are a lot of idle public spaces that could become spots for solar energy capture, like the bus stops. They could be used to produce electric power through photovoltaic panels, making the waiting more ...
Análise comparativa entre o conversor BUCK e o conversor ressonante LLC em drivers de leds visando aspectos industriais
(Universidade Federal de Santa Maria, 2019-08-30)
This paper presents a quantitative design analysis, performance prediction and practical testing of buck and half-bridge LLC resonant converters as a solution for a power control stage in the realization of a 180 W driver ...
Controle robusto H∞ por meio de LMIS aplicado a conversores conectados
(Universidade Federal de Santa Maria, 2019-12-16)
This work presents a robust current control for grid-connected converters subject
to uncertain parameters in the grid impedance. Specifically, a voltage source inverter is
connected by means of an LCL filter to a ...
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 ...
Gestão organizacional da geração distribuída em concessionárias de energia elétrica no Brasil
(Universidade Federal de Santa Maria, 2019-12-19)
The transformation of the electricity sector towards a more diversified and sustainable electricity production has spread the importance of generation distributed from renewable sources. Despite the national scenario of ...
Projeto de um conversor A/D sar com compartilhamento de carga: sintese lógica do controle e projeto elétrico do DAC e comparador
(Universidade Federal de Santa Maria, 2019-12-09)
The paper presents the design of a successive-approximation-register (SAR) analogto-
digital converter (ADC). The most usual construction of the SAR ADC requires a logic
control circuit, a digital-to-analog converter ...
Método ativo virtual para detecção de ilhamento em geradores síncronos distribuídos
(Universidade Federal de Santa Maria, 2019-01-10)
This work presents a local and passive islanding detection method for synchronous distributed
generation (DG) directly connected to the distribution power system. Due to the characteristics
of these generation system, ...
Análise de minigeração solar fotovoltaico na Universidade Federal de Santa Maria
(Universidade Federal de Santa Maria, 2019-07-12)
The following work presents an analysis on the impact and the financial
performance of the Solar Photovoltaic Minigeration at the Federal University of Santa
Maria, customer of group A4, considering the tariff and ...
Simulação e análise de algoritmos para estimação de atitude utilizando sensores de inerciais
(Universidade Federal de Santa Maria, 2019-07-09)
The present work analyzes algorithms for attitude determination from simulated measu-
res of accelerometer, magnetometer and gyroscope. These sensors were modeled in the
Simulink software, considering white noise and ...