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Análises de custos e de viabilidade econômica para sistemas fotovoltaicos: painéis fixos e painéis móveis
(Universidade Federal de Santa Maria, 2017-12-11)
The Brazilian energy matrix for electricity generation depends essentially on
hydroelectric generation to supply increasing consumption, although thermoelectric
plants supply part of this demand, the environmental needs ...
Análise do aproveitamento de polímeros recicláveis para obtenção de filamentos para impressora 3d
(Universidade Federal de Santa Maria, 2017-07-29)
The present work aims at the elaboration of an equipment capable for extruding filaments for the 3D printing process, reusing recycled polymers as new pieces 3D printed. The choice of this subject was motivated mainly by ...
Geração distribuída e seus impactos sob as óticas da concessionária e do prosumer
(Universidade Federal de Santa Maria, 2017-07-22)
The present work aims to show a case study of Distributed Generation and its impacts on an
Energy Distributor from Southern Brazil. The theoretical reference approached the Distributed
Generation, Distribution of Electric ...
Uma análise preliminar da energia embutida no cimento considerando Brasil e Reino Unido
(Universidade Federal de Santa Maria, 2017-07-15)
Since the 1970’s energy crisis, search for a reduction in energy consumption in the
production processes has increased. One of the most used methods in this context,
refers to the energy embedded in the product, which ...
Análise comparativa técnica e econômica de projeto luminotécnico industrial
(Universidade Federal de Santa Maria, 2017-10-07)
This monograph presented a methodological analysis in industrial lighting projects, focused on energy efficiency and with the objective of evaluating alternatives to the lighting system. The methodology in question proposed ...
Comportamento de misturas asfálticas tipo camada porosa de atrito (CPA)
(Universidade Federal de Santa Maria, 2016-12-13)
Road transport is extremely important for the development of Brazil and the increasing vehicular traffic
in the transport of people gives an excessive dependence on roads. The quality of the road network of
the country ...
Priorização da manutenção em subestações com foco na confiabilidade e na remuneração da função transmissão
(Universidade Federal de Santa Maria, 2016-11-21)
Transmission companies, in Brazilian electricity sector, are paid by the facilities available to the National Interconnected System - SIN. The different equipment on the transmission system are subject to the occurrence ...
Produção de sedimentos em suspensão em uma microbacia hidrográfica urbana
(Universidade Federal de Santa Maria, 2017-07-28)
Considering the problem of sediment dynamics in urban areas and the lack of information on the quantitative aspects of sediment yield in urban areas, this study aimed to evaluate the possibility of applying the traditional ...
Análise e metodologia de projeto de conversores cc-cc isolados com comutação sob tensão nula: ponte-completa e duplo meia-ponte
(Universidade Federal de Santa Maria, 2017-08-10)
This work presents a study of an isolated DC-DC converter with zero-voltage switching (ZVS)
and phase-shifted (PS) applied to full-bridge (ZVS-PS-FB) and double half-bridge converters
(ZVS-PS-DHB). The double half-bridge ...
Um controlador ótimo robusto aplicado a inversores conectados à rede
(Universidade Federal de Santa Maria, 2017-06-26)
This thesis deals with a robust optimum control obtained through linear matrix inequalities
applied to inverters connected to the grid through LCL filters. First, the plant
is modeled in the state space, and the uncertainty ...