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Projeto e desenvolvimento de uma fonte de potência CA trifásica a quatro fios
(Universidade Federal de Santa Maria, 2006-04-06)
This work presents a contribution to the study of AC Power Sources, where a prototype s development is
presented. The stages that compose the system, including converter topology, filter, instrumentation and
controller, ...
Ações para melhoria da satisfação dos clientes em uma cooperativa de crédito
(Universidade Federal de Santa Maria, 2009-01-01)
This dissertation has for objective to present actions of improvement of satisfaction customers in a Cooperative of Credit. The research was accomplished with associated, employees and the director the Cooperative, located ...
Identificação automática dos parâmetros elétricos de motores de indução trifásicos
(Universidade Federal de Santa Maria, 2008-08-26)
This work presents an algorithm able to identify all electrical parameters of three
phase induction motor, with discrete realization, using a fixe-point digital signal
processor based platform. Some techniques presents ...
Otimização de operação dos meios básicos de controle de tensão em sistemas de distribuição
(Universidade Federal de Santa Maria, 2005-06-17)
This dissertation presents methods and algorithms to increase use efficiency of basic voltage control equipment on power distribution systems and also models for secondary distribution networks. This basic voltage control ...
Estudo estatístico de produção de concretos com adições minerais
(Universidade Federal de Santa Maria, 2006-03-24)
The GEPECON, Studies and Researches Concrete Group, has developed a researches collection about the concrete with mineral additions over the last 10 years. Starting from these papers we have decided to gather some projects ...
Aplicação de FMEA na otimização dos fatores de produção da cultura da canola
(Universidade Federal de Santa Maria, 2005-01-21)
Objectifying to verify if the use of Mode Analysis and Potencial Fail Effect, FMEA, makes possible to potentialize agricultures cultivation processes, reflecting in a higher profit to the cultures, it was applied this tool ...
Papéis decorativos: do fabrico ao uso como indicadores de elevação cultural
(Universidade Federal de Santa Maria, 2005-02-28)
The paper, a historical support of humanity, is daily omnipresent in our lives in many different ways: packing, folders, brochures, books, magazines, newspapers, notes, letters, stickers, decorative paper, and so on. It ...
Estudo da penetração de cloretos na camada de cobrimento do concreto com altos teores de cinza volante
(Universidade Federal de Santa Maria, 2004-12-22)
The wall effect between the form and the concrete increases the water/cement relation in this interface so that the structural durability piece is in the dependence of the characteristics of this layer that extends from ...
Turbinas eólicas: modelo, análise, e controle do gerador de indução com dupla alimentação
(Universidade Federal de Santa Maria, 2004-12-21)
This thesis presents the main concepts and configurations used in wind turbine connected to the grid, as well as, an analysis, design and implementation of the control system for the Doubly Fed Induction Generator (DFIG). ...
Estudo da permeabilidade à água na camada de cobrimento de protótipos de concretos com altos teores de cinza volante
(Universidade Federal de Santa Maria, 2004-02-27)
The civil construction industry is, as times goes by, more related with echo-social efficiency and society and the concrete, most used building material, has its use associated with concerns on the durability and the ...