Electric Energy Markets
Mostrando 1-12 de 18 artigos, teses e dissertações.
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1. Implementação e avaliação de desempenho de estratégias de controle aplicadas em um sistema de armazenamento refrigerado / Implementation and performance evaluation of control strategies applied in a storage system for refrigerated
The cold storage of agricultural products intended to meet a demand for healthier products by markets and consumers. You can also give producers an alternative to extend the time for the marketing of products stored. Cold storage is important for a better conservation of perishable products. Because with the decrease in storage temperature, the metabolic rea
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/01/2011
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2. Energy policy and regional inequalities in the Brazilian economy / Política energética e desigualdades regionais na economia brasileira
The objective of this dissertation is to evaluate the long-run regional impacts of tariff policy of the Brazilian electric power sector. The structural reforms carried on this sector determined the emergence of two different spatial distribution trends of the electric power tariffs among the Brazilian states: one of convergence and another of spatial diverge
Publicado em: 2010
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3. The role of demand response in electricity market spot price formation. / A importância da reação da demanda na formação dos preços de curto prazo em mercados de energia elétrica.
Given an economic environmental, a fundamental condition for a market be suitable to competition is that must has a plenty of buyers and, in special, those who can react to price signals. The consumers reaction aims at to adjust their energy requirements to the prices according to their disposal to access a certain product or service. As the price increases,
Publicado em: 2010
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4. Evidenciação de riscos de empresas que captam recursos no mercado de capitais brasileiro: um estudo do setor de energia elétrica / Brazilian public companies risk disclosure: a study of the electric energy sector
No mundo corporativo globalizado a evidenciação é fundamental, tanto para os gestores quanto para os investidores, pois diariamente eles precisam tomar decisões e aproveitar oportunidades de negócios. Assim, esta pesquisa tem como objetivo investigar se as empresas brasileiras do setor de energia elétrica com ações negociadas na Bolsa de valores de S
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/02/2008
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5. Um estudo sobre regulaÃÃo do setor elÃtrico no Brasil e preÃos de Ramsey-Boiteux: o caso do estado do Cearà / A study on regulation of the electric sector in Brazil and prices of Ramsey-Boiteux: the case of the state of the CearÃ
The privatization process initiated in the 90âs had in the sector of electric energy, which has characteristics of natural monopoly in the transmission and distribution sectors, its great booster. These privatizations brought together the need of the regulation of the electric sector, in a way to benefit not only the consumer, but also the companies that we
Publicado em: 2007
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6. The consolidation of the transmission and distribution networks in the brazilian electric system in the face of the state s interrence with the propiety / A consolidação das redes de trasmissão e de distribuição do sistema eletrico brasileiro em face da intervenção do Estado na propiedade
The restructuring and privatization of the Brazilian electric sector started in 1995, has redefined the State?s role within this sector that now starts to play the regulating and controlling functions instead of those of a contractor agent. With the non-intervention, the State has become the responsible for regulating, supervising and controlling the granted
Publicado em: 2007
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7. Gestão estratégica de energia elétrica e seus reflexos no desenvolvimento regional
Economic growth and increase of electric energy consumption are unquestioned historical facts and even nowadays, in developing countries, with a very strong correlation. However, the huge appropriation of energy resources and the residues emission in the nature caused by the industrial society had shown incompatible with a necessary environment sustainabilit
Publicado em: 2005
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8. Estudo da carga tributÃria sobre o setor elÃtrico brasileiro : o caso CHESF / Analysis of the Tax Burden over the Electric Sector â CHESF.
The increasing tax pressure over the Brazilian economy is affecting the Electric Sector. The rise of the tax burden is occurring due to different actions: the introduction of new taxes, the rise of old taxes, the growing difficulties to recover tax credits and also due to a more efficient fiscal action, thanks to the computerized information available that a
Publicado em: 2005
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9. Modelo de Stackelberg na competição de empresas privadas e estatais pela expansão da oferta de energia eletrica / Stalckelberg model in the competition between state-owned and private firms for the expansion in the electric energy supply
The process of structural reform that has been occurring in the Brazilian electric industry since the second half of the 1990 s suffered an infiection in 2002. The programs of privatizations were interrupted, stabilizing a hybrid structure where state-owned and private firms coexist in the same market. This thesis intends to analyze the effect, in the econom
Publicado em: 2004
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10. Um modelo de despacho economico para reservas operativas
Over the last decade there has been a worldwide reorganization of the power markets, with important changes in their structures, with attempts to improve their efficiency, quality and competitiveness aiming the benefit of users or consumers. The particular characteristics of this industry (impossibility of energy storage and the consequent need for a balance
Publicado em: 2004
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11. OPTIMUM PRICE BIDDING STRATEGY IN THE SHORT-TERM MARKET OF HYDRO-DOMINATED ELECTRIC SYSTEMS / ESTRATÉGIA ÓTIMA DE OFERTA DE PREÇOS NO MERCADO DE CURTO PRAZO EM SISTEMAS COM PREDOMINÂNCIA HIDRELÉTRICA
In perfectly competitive markets, there are no loopholes that can be exploited by agents to maximize profit through non-competitive behavior. However, electricity markets look more like an oligopoly than perfectly competitive markets. If competition is not perfect, generation agents may try to establish optimum price bidding strategies to maximize profits. I
Publicado em: 2003
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12. METHODOLOGY FOR ALLOCATION OF FLOWS AND LOSSES IN THE SYSTEM OF TRANSMISSION IN ELECTRIC MARKETS TYPE POOL - BILATERAL / Metodologia para alocação de fluxos e perdas no sistema de transmissão em mercados elétricos tipo pool-bilateral
Com o objetivo de promover a competição e eficiência econômica em mercados de energia elétrica, tem sido estabelecido o acesso aberto ao sistema de transmissão. Conseqüentemente, surgiu a necessidade de alocar o custo da utilização do sistema de transmissão entre os diferentes usuários dessa rede. Na maioria dos trabalhos da literatura, os custos
Publicado em: 2003