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Avaliação econômica dos erros da previsão de carga em sistemas hidrotérmicos aplicada a um modelo de despacho e fluxo de potência ótimos
(Universidade Federal de Santa Maria, 2019-07-05)
The economic load dispatch is one of the most important activities in the planning operation of an electric power system. Because, is the decision of power dispatch, took by the operator, that determines which transmission ...
Decomposição por partes da Teoria de Fryze das potências aplicada ao conversor Cuk para estudo do processamento de potências não-ativas
(Universidade Federal de Santa Maria, 2019-12-17)
This undergraduate thesis proposes to analyze the power processing in DC Converters
using the renowned Power Fryze Theory as a main tool and the Cuk Converter as the object
of study. We also try a procedure involving ...
Filtro de Kalman aplicado a rastreio de máximo ponto de potência (MPPT) em painéis fotovoltaicos
(2019-12-13)
The present work has as final intent to elucidate and clarify topics related to the Kalman
Filter, specifically applied to Maximum Power Point Tracking (MPPT) in photovoltaic solar
panels, once that the power produced ...
Análise da implementação do preço de liquidação das diferenças (PLD) horário no Brasil e a relação com variáveis de entrada do modelo de cálculo no horizonte de curto prazo
(Universidade Federal de Santa Maria, 2019-12-09)
The Settlement Price of Differences (PLD) is an important variable for the Free Energy
Market, corresponding to base price for energy contracts that were not guaranteed in the
médium-term and long-term markets. It is ...
Análise de cumprimento normativo e eficiência luminotécnica dos espaços de circulação de prédios públicos
(Universidade Federal de Santa Maria, 2019-12-13)
In this paper a case study was developed on the lighting situation of public buildings circulation spaces. Compliance with current standards and the need for adjustments for energy efficiency were also analyzed. For this, ...
Análise de conversor Ca–Ca monofásico rebaixador de topologia clássica com solução do problema de comutação
(Universidade Federal de Santa Maria, 2019-07-11)
In this paper the design and losses analysis on the semiconductors of a PWM chopper
single-phase converter are presented. It steps down a voltage of 220 Volts at the source
to 127 Volts at the load. The ordering of the ...
Simulação e análise de esforços eletromecânicos em transformadores elétricos utilizando o método de elementos finitos
(Universidade Federal de Santa Maria, 2019-07-01)
Due the increasing demand of electrical energy in the power electric system, the short-circuit
level become larger each day, taking the equipment connected to the system to critical
conditions. These conditions affect ...
Análise de técnicas de equalização de canal para SC-FDMA
(Universidade Federal de Santa Maria, 2019-07-12)
As for the main problems found in wireless digital communication systems, the multipath phe-
nomenon stands out, as it could cause severe distortion on the transmitted signal, possibly com-
promising the system’s whole ...
Obtenção de parâmetros dinâmicos da máquina síncrona de polos salientes através de ensaios de resposta em frequência
(Universidade Federal de Santa Maria, 2019-07-09)
In this paper, initially on time domain, the constructive and electrical characteristics of the
synchronous machine will be analyzed in order to define the equations that represents the
dynamic behavior of synchronous ...