Search
Now showing items 71-79 of 79
Modelagem matemática e simulação de transformadores de potência para ensaios de impulsos atmosféricos
(Universidade Federal de Santa Maria, 2013-02-22)
This study presents the transient response analysis of power transformers during high frequency lightning impulse applied directly or near of its terminals. In addition, a study of the internal distribution of overvoltages ...
Desenvolvimento de métodos de testes para caracterização de ADCS do tipo Σ∆
(Universidade Federal de Santa Maria, 2019-07-10)
The present work of conclusion of course approaches the implementation of test
methods for characterization of Sigma-Delta type ADCs. For the construction and vali-
dation of such methods, circuits modeled in the Matlab ...
Estudo e desenvolvimento de um sistema de comunicação via luz visível para transmissão de dados via microcontroladores
(Universidade Federal de Santa Maria, 2018-12-18)
With the growth and expansion of technology there has also been a great impact in the way we communicate and transmit information. The search for portability, for example, led to the emergence of technologies for wireless ...
Vulnerabilidade dos sistemas GNSS a ataques do tipo Spoofing
(Universidade Federal de Santa Maria, 2019-12-10)
The vulnerability of the GNSS constellation extends beyond blocking and signal loss to fake attacks, where communication signal spoofs are generated to manipulate the position, speed, and information a receiver receives. ...
Controle digital aplicado a um sistema fotovoltaico multistring autônomo
(Universidade Federal de Santa Maria, 2011-06-17)
This work presents the design of a stand-alone photovoltaic system based on the
multi-string topology. In this topology, two PV panel arrays are connected to a DC bus
through cascaded boost converters. A bidirectional ...
Análise de estratégias do erro de controle de área utilizando o software Anatem
(Universidade Federal de Santa Maria, 2018-07-11)
A power system uses control mechanisms to supply the continuous variations in demand, without difference between generation and demand and to deliver energy with minimum requirements of frequency, voltage and reliability. ...
Metodologia de solução aplicada ao planejamento da expansão de sistemas de distribuição de energia elétrica
(Universidade Federal de Santa Maria, 2016-07-08)
The technological renewal, aligned with the regulation of initiatives that promotes SmartGrid concept implementation has caused significant changes in the traditional dynamics of expansion planning and solution of the ...
Driver de iluminação como carga inteligente para compensação de condições da rede
(Universidade Federal de Santa Maria, 2019-07-08)
The fast transition from a traditional centralized generation model to a new model – in which
distributed generation becomes common-place and there’s a growing share of grid-tied
inverters – raises concerns on the stability ...
Análise da viabilidade econômica da implementação de módulos fotovoltaicos em um consumidor do tipo A4
(Universidade Federal de Santa Maria, 2018-12-14)
The growing concern with the preservation of the environment and the search for the
diversification of the electric matrix is on the rise in Brazil and in the world. These factors,
coupled with the increased demand for ...