Electrical Energy Market
Mostrando 1-12 de 52 artigos, teses e dissertações.
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1. Integrated project of a smart microgrid allied with energy management: An initiative to reduce electrical energy costs
Abstract Electricity is undoubtedly one of the most important resources in the modern world. As the demand for electric energy increases, conventional resources that are transformed into electric energy are being exhausted, generating a need to search for alternative sources, resulting in a significant increase in energy costs. This study presents an integra
Braz. arch. biol. technol.. Publicado em: 25/11/2019
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2. Analysis of the Impacts of the Electrification of the Vehicle Fleet in the Electric Power System in Curitiba
ABSTRACT The Market share of electrical vehicles has been rising in the past few years and tends to rise even more. According to the International Energy Agency, an increase of 50% in the number of electrical vehicles is expected. Whilst that increase is beneficial from a greenhouse gases emissions drop point of view, that rise could, on the other hand, repr
Braz. arch. biol. technol.. Publicado em: 22/10/2018
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3. Low cost system to measure active power in electrosurgical units
Abstract Introduction: The real-time measurement of active power delivered to patients during the electrosurgical act is still an engineering challenge. Besides, there is no electrosurgical unit on the market capable of doing it according to the normative requirement. Methods This work presents the design of an electronic structure capable to probe the ele
Res. Biomed. Eng.. Publicado em: 09/11/2017
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4. Low and medium temperature fuel cells: experimental tests and economic assessment / Low and medium temperature fuel cells: experimental tests and economic assessment
This Masters dissertation aims to study technical potentialities of Fuel Cell technology, including the economical benefits that can provide compared with public grid as well. Thus, the dissertation has been focused in two main parts: the first concerns in an experimental approach to supply electrical power to the public grid using a Polymer Electrolyte Memb
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 11/12/2012
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5. Analysis of flicker level on the integration of fixed speed wind generators using multidiscipline models / Análise dos níveis de flicker na integração de geradores eólicos de velocidade fixa em redes de distribuição de energia elétrica utilizando modelos multidisciplinares
The discussions about the environmental issues and the need for renewable sources of energy, with low environmental impacts, mainly about CO 2 emission, have encouraged the Wind Energy expansion. The support for wind energy in the last decades enabled the improvement of the technology and a representative share in the electrical systems of some countries. Th
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/04/2011
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6. Projeção de mercado de energia elétrica da classe industrial considerando consumidores especiais
O mercado das distribuidoras de energia elétrica é composto por consumidores cativos, especiais potencialmente livres e potencialmente livres. Neste trabalho, considera-se consumidores cativos aqueles com demanda menor que 500kW, especiais potencialmente livres aqueles com demanda igual ou superior a 500kW e menor que 3MW e potencialmente livres aqueles co
Publicado em: 2010
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7. Gestão de segurança da informação - uma proposta para potencializar a efetividade da segurança da informação em ambiente de pesquisa científica / Information security management a proposal to improve the effectiveness of information security in the scientific research environment
The increase of the connectivity in the business environment, combined with the growing dependency of information systems, has become the information security management an important governance tool. Information security has as main goal to protect the business transactions in order to work normally. In this way, It will be safeguarding the business continui
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/11/2009
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8. Análise da estratégia de contratação de consumidores livres, tendo como balizamento a formação de preços no mercado cativo. / Analysis of contracting strategies of free consumers, considering the energy pricing in regulated contracting market.
The availability of electrical energy at competitive prices is of fundamental importance for the competitiveness of products in each industry field, considering the strong competition in internal and external markets. The industry production plays an important role in society everyday life, contributing decisively to the smooth running of the Brazilian econo
Publicado em: 2009
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9. DECISION SUPPORT SYSTEM FOR THE DIAGNOSIS OF FAULTS IN POWER TRANSFORMERS / SISTEMA DE APOIO À DECISÃO PARA O DIAGNÓSTICO DE FALTAS EM TRANSFORMADORES DE POTÊNCIA
Given the complexity of the Brazilian energy matrix and in particular of the whole interconnected electrical power system, it is essential to ensure that the equipment, from generation to final consumers, operates in a satisfactory way and high levels of reliability. In accordance with the restructuring of the sector and its integration in a competitive mark
Publicado em: 2009
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10. A gestão de energia elétrica na indústria - seu suprimento e uso eficiente. / The electrical energy management in the industry - its supply and effective utilization.
The increasing amount paid for the electricity energy invoice after the period of unavailability on the occasion of the energy rationing in 2001, concurrently with the new regulations of the energy sector, have made some industries pursue a better understanding of the energy business in order to avoid a possible new energy rationing. The companies have also
Publicado em: 2009
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11. Conflito, consenso, democracia e capitalismo em estados periféricos : o processo de privatização do setor elétrico no Brasil e na Argentina
This thesis analyzes the political and economical arguments that furnished a broad consensus for the implementation of the structural adjustments in the 1990s, amongst them the privatization programme of the electrical energy sector in Brazil and Argentina. It is considered whether the restructuring of the electric section accomplished the presuppositions on
Publicado em: 2009
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12. Application of the theory of real options in the evaluation of small central office hydroelectric plant / Aplicação da teoria de opções reais na avaliação de pequena central hidrelétrica
Nowadays, small entrepreneurs have been able to get permission to start small hidro power plant ("SHP") without economi support to implement it. This common practice in the electrical sector has important implicatins such as excessive construction delays and a speculative behavior that lead entrepreneurs to search SHPs to obtain the permissiona After grantin
Publicado em: 2009