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Itens para a visualização no momento 81-90 of 101
Estimador de potência aparente utilizando sensor de corrente para aplicaçâo residencial
(Universidade Federal de Santa Maria, 2014)
In the current context, where much cares about sustainability and renewable and non-renewable energy, the trend over time will optimize the way in which this energy will be used. This work aims to develop an instrument who ...
Regulador de temperaturas para chuveiros elétricos
(2014-01-16)
The project consists in implementing a temperature regulator for eletric showers where
the user will choose the desired water temperature and the system will perform the power control
of the shower until the selected ...
Nova metodologia para a estimação da seção em falta em sistemas elétricos de potência com foco nos alarmes dos relés de distância e busca de seções isoladas
(Universidade Federal de Santa Maria, 2014-02-25)
This works proposes a novel methodology for Fault Section Estimation in Power Systems. This document describes a computational tool to assist operators of electrical system in decision-making, thus ensuring the reliability ...
Recarga subterrânea direta e sua influência sobre a temperatura e a condutividade elétrica em microbacias do rio Vacacaí-Mirim, RS
(Universidade Federal de Santa Maria, 2014-11-14)
Water is vital to life, essential to the development of humanity in health, social and economic levels, having strategic importance to the productive sectors and thus playing a key role in generating wealth and ecosystem ...
Inovação na prestação de serviços públicos: estudo do serviço de laudo pericial
(Universidade Federal de Santa Maria, 2014-12-11)
Demands of society driving change in the status of action and break paradigms in the form of public service delivery have occurred frequently in many countries. Governance institutions, including therein the public service ...
Hidrólise ácida e enzimática de casca de arroz usando tecnologias alternativas
(Universidade Federal de Santa Maria, 2014-03-31)
Rice husk is a fairly abundant agro-industrial waste in the state of Rio Grande do Sul, hence the same has been suggested and studied to be used as in lignocellulosic hydrolysis to produce fermentable sugars material. ...
Análise das propriedades mecânicas de concretos para pavimentação empregando diferentes processos de cura
(Universidade Federal de Santa Maria, 2014-08-25)
To develop a project sizing concrete pavement is necessary to know the mechanical properties and the different treatment processes of material to be used. This study aimed to analyze the mechanical properties such as ...
Obtenção de carvão ativado impregnado com prata para fins bactericidas
(Universidade Federal de Santa Maria, 2014-10-09)
The development of products with antimicrobial, inhibitory or even lethal action has
attracted considerable attention in widely different research and applications fields. The
present work studies the obtaining of an ...
Rastreamento do ponto de máxima potência de turbinas magnus acionando geradores elétricos
(Universidade Federal de Santa Maria, 2014-01-24)
The constant human need for electricity, as well as the increasing demand for energy causes the use of finite sources, as oil and coal. The search for alternative energy sources as wind harvesting is the motivation for ...
Um controlador adaptativo robusto aplicado a conversores estáticos conectados à rede elétrica através de filtro LCL
(Universidade Federal de Santa Maria, 2014-08-26)
This Thesis deals with the development of a novel robust model reference adaptive
controller (RMRAC), in discrete-time applied to grid-connected systems using LCL
filter. This controller uses a modified robust parameters ...