Electric Energy Industry
Mostrando 1-12 de 46 artigos, teses e dissertações.
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1. The effects of financial leverage and debt maturity on the investments of Brazilian electric sector companies
Resumo Objetivo: Este trabalho teve como objetivo averiguar como as empresas do setor de energia elétrica realizam a escolha do nível de alavancagem financeira e maturidade das dívidas, com o intuito de amenizar o problema de subinvestimento. Metodologia: Foi aplicada a técnica de regressão linear múltipla em um modelo de painel dinâmico para verifi
Rev. bras. gest. neg.. Publicado em: 23/09/2019
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2. Solar photovoltaic energy applied to ferroalloy industry
Abstract The Brazilian ferroalloy industry faces a highly competitive scenario in the foreign market. Among the key factors to determine the price of its products, electric energy stands out as one of the main inputs. So, the possibility of energy being unavailable or having high prices causes a direct impact in the ferroalloy chain. On the other hand, the r
REM, Int. Eng. J.. Publicado em: 2019-06
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3. Application of methodology for the adequacy of the electrical motor's power sizing: permanent and transient analysis
Abstract The suitability of the motive force contributes to the efficient use of electrical energy. On the other hand, the inadequate size of electric motors is directly connected to increased investment and running costs. This article presents the theory and mainly the application of a methodology for the adequacy of the motive power. The research was condu
REM, Int. Eng. J.. Publicado em: 2018-04
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4. Fully Automatic Spot Welding System for Application in Automotive Industry
Abstract A Virtual Machine has led to a fully automatic spot welding system. All necessary parameters are created by measuring systems and algorithms running in the Virtual Machine. A hybrid operating circuit allows the Virtual Machine to read the exact process voltage between the tips of the electrodes every 50 µs. Actual welding voltage and current allow
Soldag. insp.. Publicado em: 2015-12
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5. Caracterização do uso de energia elétrica em empresas do segmento metalúrgico e perspectivas de ganhos de eficiência em sua utilização / Characterization of the use of electric energy in companies of the metallurgical segment and the gain of efficiency in its use
Durante boa parte de 2001 e o início de 2002, o Brasil enfrentou a crise do abastecimento de energia elétrica. Dada a necessidade de assegurar o abastecimento de energia, torna-se vantajoso investir em eficiência energética. Com tais medidas são postergados investimentos no setor elétrico, principalmente, sob a ótica da oferta, quando, a construção
Publicado em: 2011
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6. Análise dos fatores determinantes da internacionalização e desempenho financeiro das empresas brasileiras de capital aberto: a contribuição da visão baseada em recursos (RBV)
Brazil has a significant number of enterprises in all business segments such as: car-industry, market share, consumer goods, electric-electronics, energy, construction, digital industry, mining, paper and cellulose, farming, chemistry, petrochemistry, fabric industry, transport and so on. As we know, all of these companies are inserted into the capital marke
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 14/06/2010
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7. TRANSIENT MODELLING OF INDUSTRIAL GAS TURBINE FOR POWER GENERATION / MODELAGEM DO REGIME TRANSITÓRIO DE TURBINAS A GÁS INDUSTRIAIS PARA A GERAÇÃO DE ENERGIA ELÉTRICA
Gas turbine engines are a vital part of today¿s industry, providing both work and heat for several industry sectors, from transportation to cogeneration systems. The growing need for reliable electricity has encouraged the design of stationary gas turbines, including in Brazil, which operates on multiple fuels such as diesel, natural gas and low calorific f
Publicado em: 2010
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8. UMA APLICAÇÃO DA TEORIA DE OPÇÕES REAIS NA AVALIAÇÃO ECONÔMICO-FINANCEIRA DE PROJETOS E ANÁLISE DAS FLEXIBILIDADES OPERACIONAIS NA INDÚSTRIA DE ALUMÍNIO / AN APPLICATION OF THE REAL OPTIONS THEORY IN PROJECT VALUATION AND ANALYSIS OF OPERATIONAL FLEXIBILITY IN THE ALUMINUM INDUSTRY
A grande competitividade do mercado mundial de commodities faz com que as indústrias busquem soluções que lhes permitam gerar maior rentabilidade em suas operações. Esse processo intensifica a busca por otimizações de operação e processos produtivos mais eficientes, incluindo alternativas competitivas de fontes de insumos. Nesse contexto a flexibili
Publicado em: 2010
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9. Desenvolvimento e implementação de um sistema de monitoramento em tempo real da tensão da rede com acesso remoto
Some years ago in Brazil the power quality was related, basically, with interruption of supplied energy and certain special loads of industry. In recent years, however, under controls of the regulating agency ANEEL (Agência Nacional de Energia Elétrica) and with specialists, the power quality area received the due attention and was legislated and acquired
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/10/2009
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10. Residential Energy Pricing, Privatization of the Sector and Social Impact in the period 1995 to 2005 / Tarifação Energética Residencial, Privatização do Setor e Impacto Social no período de 1995 a 2005
The electricity pricing constrain consumer access to this essential service. The industry, especially in its eletrointensivos sectors, requires energy the low cost, people need this service the compatible prices with its familiar income. However, during the process of privatization of the sector in Brazil, great distortions between the values charged for the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/08/2009
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11. Potencial tecnico de conservação de energia na industria brasileira / Technical potential of energy savings in brazilian industry
Nowadays, there is more acknowledgment that energy efficiency is intrinsically associated to the growth of productivity and to environment benefits. Industries, that demand great amount of energy, are the subject of this dissertation, whose aim is simulate technical potentials of energy savings in this type of companies. These potentials can allow both, gove
Publicado em: 2009
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12. Estimativa do indice de nacionalização dos sistemas fotovoltaicos no Brasil / Estimates of nationalization index of PV systems in Brazil
The Law nº 10.438/02 established the Program of Incentives for Alternative Electric Power Sources - PROINFA, which is the only national program aimed to foster alternative renewable energy sources and to increase the share of electric energy production from enterprises based on wind power, small hydropower plants and biomass in the interconnected national p
Publicado em: 2009