Electricity Research
Mostrando 13-24 de 96 artigos, teses e dissertações.
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13. 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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14. ECONOMIC AND FINANCIAL VIABILITY OF DIGESTER USE IN CATTLE CONFINEMENT FOR BEEF
ABSTRACT This research analyzes the economic and financial feasibility of implementing a biodigester for confinement of beef cattle on a farm located in the State of São Paulo, through the approach of discounted cash flow. The anaerobic digestion technology arouses interest, due to its advantages with the generation of electricity and the pollution reductio
Eng. Agríc.. Publicado em: 2017-04
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15. History of development of thermoelectric materials for electric power generation and criteria of their quality
An analysis of results, obtained in the development of thermoelectric materials for electricity generation during the last 130 years, shows that they are comparable to those obtained as early as the nineteenth century. One of the main factors responsible for the stagnation in this area is the use of inappropriate criteria for the evaluation of material quali
Mat. Res.. Publicado em: 2014-10
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16. Life Cicle Inventory for Lead Azide Manufacture
ABSTRACT: Like any other manufactured chemical compounds, explosives are produced using chemical reactants and other utilities (steam, heat, compressed air, feed water and electricity) and generate a set of environmental impacts (waste water, solid and water residue and waste heat, for example). On top of that, one can count the intrinsic hazard characterist
J. Aerosp. Technol. Manag.. Publicado em: 2014-03
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17. Por dentro da Gaiola de Faraday: estudos e ideias sobre a estrutura da matéria (1836-1838)
This research deals with experimental practices developed by Michael Faraday, held from 1836 until early 1838, focusing mainly on the experiment, which would later be known as the "Faraday cage". We analyzed the Experimental Researches in Electricity (ERE), in which are recorded reflections and experiments that were subsequently presented to the Royal Societ
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/08/2012
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18. Aplicação de sistemas multiagentes para gerenciamento de sistemas de distribuição tipo Smart Grids / Application of multiagent systems for management of distribution systems like Smart Grids
Smart grids are taken as the new generation of electric power systems, combining advances in computing, distributed systems and artificial intelligence to provide more features on real-time monitoring of demand and consumption of electricity, managing large-scale distributed generators, among others, from a distributed control system on the grid. This approa
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2012
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19. A pesquisa e desenvolvimento no setor elétrico brasileiro: uma investigação da política tecnológica para o setor com base na teoria evolucionária da mudança técnica. / Research and development in brazilian energy sector: a research policy for technology policy based on the evolutionary theory of technological change.
A invenção da energia elétrica pode ser considerada como um dos eventos mais marcantes da história moderna. As fortes influências sociais e econômicas que o sistema elétrico exerce sobre a sociedade, atreladas a suas características próprias, fazem com que o sistema elétrico enfrente desafios que extrapolam sua própria dinâmica. Essa característ
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/02/2012
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20. Regionalização de potencial hidrelétrico com escassez de dados : aplicação Moçambique
Hydroelectricity (hydropower) is one branch of water resources engineering, which uses water (river flows) producing electricity. A hydroelectric undertaking, besides providing electricity and its comfort, it also allows the establishment of other productive activities, which provides a good economic and social development of the population (social responsab
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2012
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21. Projetos de mecanismo de desenvolvimento limpo (MDL) em aterros sanitários: contribuições das tecnologias ambientais para o desenvolvimento sustentável.
The Kyoto Protocol is regarded as one of the most ambitious global political events on the environment. Through this global environmental governance landmark major industrial nations pledged to cut their emissions of greenhouse gases (GHG) in the atmosphere. To facilitate compliance with emission targets for GHG, three flexibility mechanisms were created. Am
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/07/2011
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22. ESTIMATION OF THE LOAD FACTOR (LF) AND THE DEMAND FACTOR (DF) OF ELECTRICITY CONSUMERS VIA MEASUREMENTS AND ELECTRICAL APPLIANCES OWNERSHIP AND USAGE SURVEYS / ESTIMATIVA DO FATOR DE CARGA (FC) E FATOR DE DEMANDA (FD) DE CONSUMIDORES DE ENERGIA ELÉTRICA VIA MEDIÇÃO E PESQUISA DE POSSES E HÁBITOS
O objetivo desta dissertação é apresentar os conceitos de Fator de Carga (FC) e Fator de Demanda (FD) e verificar o quanto estas informações estão atualizadas para uso pelas concessionárias de energia elétrica. A motivação pelo estudo resultou do fato de o conhecimento e o gerenciamento desses índices proporciorem maior eficiência e segurança à
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/04/2011
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23. Modelos de simulação e suas possíveis aplicações no estudo econômico do biodiesel.
This paper introduces the system simulation technique and looks for potential application in the biodiesel agribusiness. The simulation basics are presented. It's described the components of a simulation model, the models classification and the model construction process. Some uses in decision making and agricultural problems are shown. The decision making m
Planaltina. Publicado em: 2011
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24. ILUMINAÇÃO PÚBLICA: UMA ABORDAGEM GERENCIAL / PUBLIC LIGHTING: MANAGERIAL APPROACH
This paper presents the technical and regulatory features of the Public Lighting services, discussing their responsibilities and specificity, considering the current conditions of their operation, with regard to the lack of experience and qualified personnel to manage the public lighting equipment in most cities, and the business goals of the electricity con
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 17/12/2010