Electric Network
Mostrando 1-12 de 125 artigos, teses e dissertações.
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1. Influence of social stress on value of minimal anesthetic concentration of isuflurano in guan (Penelope obscura) captured in wildlife
RESUMO: Este estudo teve como objetivo determinar e avaliar se há diferença nos valores de CAM em jacus (Penelope obscura) capturados em vida livre e submetidos a diferentes condições de estresse social. Foram utilizadas 27 aves da espécie jacu (P. obscura) de vida livre, que depois de capturados foram alocados em dois grupos: 10 animais que permanecera
Pesq. Vet. Bras.. Publicado em: 14/10/2019
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2. Sustentabilidade em edifício residencial no município de Dourados, MS
Resumo: Este trabalho apresenta dois sistemas alternativos dimensionados para um edifício residencial, já concluído, com o intuito de suprir o consumo de água e energia elétrica nas áreas comuns. O primeiro sistema capta água da chuva para posterior utilização com fins não potáveis. No segundo sistema, de geração de energia solar fotovoltaica in
Interações (Campo Grande). Publicado em: 08/08/2019
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3. Computational Model for Microgeneration Simulation, From Solar and Wind Renewable Sources, With Optimal Allocation of Loads, Electric Vehicle and Energy Storage, In a Residential Electrical Micro Network
Abstract The electrical sector is under constant evolution. One of the areas refers to the consumers that come to be generators, implementing distributed generation, interconnected to a smart grid. This article discusses the improvement of an algorithm, already presented in the literature, to make the best temporal allocation of loads, electric vehicle, stor
Braz. arch. biol. technol.. Publicado em: 29/10/2018
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4. Analysis of shifting and reduction of the demand peak with the inserting of photovoltaic systems in the Neoville’s Headquarters of Federal University of Technology - Paraná Curitiba Campus
ABSTRACT Photovoltaic solar energy is increasingly present in the urban environment through the distributed generation. This kind of generation is characterized by the installation along the distribution network feeders, in low or medium voltage, and contribute to provide energy near the point of consumption. In this sense, this study aims to analyze the dem
Braz. arch. biol. technol.. Publicado em: 29/10/2018
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5. Protection of Grid Connected Photovoltaic Systems (GCPVS)
ABSTRACT Installations of photovoltaic systems connected or not to the electrical network have become increasingly popular, but it is often carried out by unqualified people using low quality components. The present study aims to describe the methodology adopted for the protection of grid connected photovoltaic systems (GCPVS) and the implications caused by
Braz. arch. biol. technol.. Publicado em: 29/10/2018
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6. Effects of the Photovoltaic Distributed Generation on Electricity Distribution System Voltage - Updated Review
ABSTRACT Concerns about the environment and a growing demand for electricity have led to the intensive search for renewable energy sources. Photovoltaic solar energy, in the form of distributed generation, has shown a very high growth rate to an extent that in some regions it will be adopted on a large scale, thus being responsible for the supply of a signif
Braz. arch. biol. technol.. Publicado em: 22/10/2018
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7. Effect of Complementary Split Ring Resonator Structure on PIFA Antenna
Abstract This paper proposes a new design of Planar Inverted-F Antenna with complementary split ring resonators (CSRRs). The operating frequency of this antenna is 2.425 GHz for Wireless Local Area Network (WLAN) application. The method is to incorporate a single CSRR cell and a periodic array CSRRs on the radiating patch. We studied the effect of this metho
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2016-09
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8. QoS management in smart grids: a Markovian approach
In Smart Grids, a variety of new applications are available to users of the electrical system (from consumers to the electric system operators and market operators). Some applications such as the SCADA systems, which control generators or substations, have consequences, for example, with a communication delay. The result of a failure to deliver a control mes
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2014-12
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9. Network modelling of palm biodiesel plants to supply the isolated electric power systems of Pará state
Despite the great advance brought by the National Interconnected System (NIS), which is able to provide clean hydroelectric power to almost all Brazilian customers, there are still cities supplied by power generated from fossil fuel, which are subsidized by taxes, they are called Isolated Electric Power Systems (IEPS). Pará State, that has 34 cities with IE
Prod.. Publicado em: 01/10/2013
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10. Análise de observabilidade baseada em variâncias de medidas estimadas = : Observability analysis based estimated measures variances / Observability analysis based estimated measures variances
The purpose of this work is to present a complete methodology for observability analysis of electric power systems. The observability of the network is determined from the trace of the covariance matrix of the measurement estimate, the variance of the estimated power flow allow the identification of observable islands and the restoration of observability is
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 15/08/2012
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11. Determinação de um parâmetro para monitoramento do desempenho de mensagens GOOSE do padrão IEC 61850 utilizadas em subestações de energia elétrica / Determination of a parameter for monitoring the performance of GOOSE messages used in electric power substations
O desenvolvimento e utilização do padrão IEC 61850 alterou a concepção e operação das subestações de energia elétrica. O desempenho e confiabilidade do sistema de proteção depende da rede de comunicação de dados. Esta pesquisa propõe um parâmetro de dimensionamento e comparação de desempenho para o tempo de transferência das mensagens Gene
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 10/08/2012
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12. Algoritmos para o planejamento da operação de sistemas modernos de distribuição de energia elétrica = : Algorithms for operation planning of modern electric distribution power systems / Algorithms for operation planning of modern electric distribution power systems
The distribution system operation planning stage is concerned with the determination of capacitor bank, transformer and voltage regulator settings. This must be accomplished considering active and reactive power injections of distributed generators and at the main substation, as well as physical and regulatory issues in order to improve the network performan
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 07/08/2012