Electric Industries
Mostrando 13-24 de 47 artigos, teses e dissertações.
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13. SistemÃtica para identificaÃÃo de nÃo-conformidades e proposiÃÃo de aÃÃes mitigadoras contra incÃndio em transformadores de potÃncia
In an electrical system, fires in power transformers, normally, cause great upheavals and high loss to the electric energy companies, to the society, to the environment and, in a considerable way, to the productive process. The transformers have an important role in an electrical system of power. Located in substations, and being the most expensive and impor
Publicado em: 2009
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14. Drying coffee spent ground in Cyclonic Dryer / Secagem da borra de cafà em secador ciclÃnico
Due to trade liberalization, competitive scenery was created in relation to the exigencies with the environment preservation. Industries began to worry about the waste treatment and by-products generated by the in activity. The coffee spent ground, by-product of the coffee industry, previously discarded without commercial value, is now seen as solid fuel, a
Publicado em: 2009
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15. Aqueous Congo Red degradation induced by plasma with glow discharge electrolysis / Degradação do corante Vermelho Congo em solução aquosa através de plasma obtido por eletrólise de alta tensão
Due to the concern with environmental impact and the need for the use of dyes for the textile industries, during the last years several studies has been undertaken to develop new technologies for energetic treatments that allow the degradation of compounds present in industrial waste. In this present work, the construction of a system for degradation of orga
Publicado em: 2009
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16. Estudo da degradação de corante têxtil em matrizes aquosas por meio dos processos oxidativos avançados O3-H2O2/UV e foto-Fenton. / Study on the degradation of a textile dye in aqueous matrices by the oxidative processes O3-H2O2/UV and photo-Fenton.
The textile industry generates large volumes of wastewater with high organic load, strong coloration and toxicity. In this work, the treatment of an aqueous solution containing the dye Solophenyl Yellow Arle 154% was studied by the O3-H2O2/UV and photo-Fenton processes, in order to evaluate the responses color removal after 5 minutes; color removal after 60
Publicado em: 2009
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17. The impact of the new regulatory model of the eletricity industries in the Celesc / Impacto do novo modelo regulatório do setor elétrico : o caso da Celesc
The aim of this study is perform the impact of the new regulatory system imposed by the Federal Law n 10.848/04, the so calling Desverticalization Law of the electric industries, in the context of the Centrais Elétricas de Santa Catarina S.A. Celesc. The organization Centrais Elétricas de Santa Catarina S.A. Celesc is a state owned company, controlled in m
Publicado em: 2008
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18. Substitution of Electrotherm by Combustible Gases in the Industrial Sector / Substituição da eletrotermia por gases combustíveis no setor industrial
This work analyzes the technical, economical and financial viability to substitute the resistive electrotherm for the direct combustion of fuel gases, such as natural gas (NG) and liquefied gas of petroleum (LGP). In order to do so, a study of the electrotherm presence in the productive process of some industries located in The Great São Paulo has been done
Publicado em: 2008
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19. Analysis of participation of energy self producers and independent producers in the Brazilian electric sector. / Análise da participação dos autoprodutores e produtores independentes de energia no setor elétrico brasileiro.
Historically, the electric power supply in Brazil has a role that stands out in the domestic economic growth, due to its capacity to add revenue through the promotion to large-sized industries. Its strong association in the composition of the domestic revenue is of general concern of all individuals involved and interested in the power supply in Brazil, whic
Publicado em: 2008
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20. Eletroerosão por fio em metal duro para ferramentas de estampagem de lâminas de motores elétricos
The process of wire electrical discharge machining is currently used in manufacturing most hard metal (tungsten carbide) dies and punches, used in steel stamping tools for electric motors. The home appliance, industrial electric motor, transformer and hermetic compressor industries, use progressive stamping tools, justifying a better understanding of the man
Publicado em: 2008
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21. Estudo das transformaÃÃes de fase em Pseudo â ZTAs para aÃo API 5L X-70 visando desenvolvimento de dispositivo substrato
The microstructure transformation of structural steel has been studied from continuous cooling in metallic means to simulate the microestrutural transformations in different places in a HAZ (Heat Affected Zone). The studied material is Steel API 5L X70, largely used in piping in the Petrochemical Industries for its hight mechanical resistance and low weight,
Publicado em: 2008
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22. Analise termodinamica de um sistema de cogeração com gaseificação de licor negro / Termodynamic analysis of a cogeneration system with blak liquor gasification
The pulp and paper industries generate most part of energy for self consumption burning two different fuels: biomass and black liquor, which is more used than the first one. This industrial sector has been used cogeneration systems, to produce electric energy from the combustion of these fuels. In the last years an increase in the production of the industrie
Publicado em: 2007
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23. OOL â oscilÃgrafo âon lineâ
This paper presents an information system developed to perform oscilography tasks and on line data acquisition in an electric energy distribution network. This analisys tool can be largely used in the analysis of failures, routine measurement, oscilography recording generated by perturbation in the electric system and to check the quality of service in the e
Publicado em: 2007
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24. A estruturação e conformação do investimento na geração de energia por meio hidráulico: uma contribuição aos estudos das variáveis influentes no retorno
Este estudo trata da estrutura da indústria de energia elétrica no Brasil a partir do processo de privatização ocorrido na segunda metade da década de 90; abrange a revisão e sistematização da legislação vigente sobre as concessões no setor; mediante pesquisa documental e bibliográfica compõe uma revisão da Teoria de investimentos e sua relaç�
Publicado em: 2007