Navegando por Assunto "Rede Celpa Centrais Elétricas do Norte do Brasil"

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Acesso aberto (Open Access)
Metodologia de auxílio na tomada de decisão na formação de conjuntos de unidades consumidoras de energia elétrica
(Universidade Federal do Pará, 2010-10-08) SANTOS, Fábio Corrêa dos; SANTANA, Ádamo Lima de; http://lattes.cnpq.br/4073088744952858; TOSTES, Maria Emília de Lima; http://lattes.cnpq.br/4197618044519148
The issue of Proceedings of Electric Power Distribution (PRODIST) confirmed the comparative analysis of the distribution companies of electricity established by Resolution 024/2000 as the basis for establishing the goals of continuity indicators DEC (Costomer Average Duration Interruption Index) and FEC (Costomer Average Frequency Interruption Index). The setting of targets is directly influenced by the definition of the sets of consumer units of the distribution companies of electricity is therefore of interest to the distribution companies a good definition of these sets. This work presents the development of a methodology based on machine learning techniques to assist companies in electric power distribution in decision making of the definition of sets of consumers units aimed at improving compatibility of the goals for the indications of DEC and FEC with reality assemblies in relation to environmental characteristics and of infrastructure of the concession area of the distribution company.
Acesso aberto (Open Access)
Metodologia para o despacho de potência reativa visando o controle de tensão baseado em algoritmos genéticos
(Universidade Federal do Pará, 2009-06-06) ROCHA, Marcus Guerra da; NUNES, Marcus Vinícius Alves; http://lattes.cnpq.br/9533143193581447
This work aims to present a software to support the planning of power systems, through a methodology of voltage control and losses minimization, by the optimization of reactive injection, keeping the voltage in the bus between the established boundaries. The developed methodology is based in a hybrid system, that use artificial intelligence based in a genetic algorithm linked to a load flow software(ANAREDE), that interact to produce an optimal solution. The results showed that the technique based in a genetic algorithm is adequate to the problem of minimization the reactive losses.
Acesso aberto (Open Access)
Projeto e implementação de um sistema de autoria para animações, simulações e treinamentos em realidade virtual
(Universidade Federal do Pará, 2010-09-03) BARATA, Pebertli Nils Alho; RIBEIRO FILHO, Manoel; http://lattes.cnpq.br/9329438229733907
This dissertation presents the design, development and implementation of a software for the creation of animation, simulations and training processes and industrial technical instructions, also presents the architecture used for its implementation. The software presented allows the generation of animation, texts, sounds and interactions, providing tools for creating, display and supervision of simulation with use of Virtual Reality 3D. The dissertation also deals with the practical use of the software through a case study with simulations 3D in real industrial processes of a plant for generation of electric energy. This study also contributes to the areas of training and virtual reality and systems of authorship 3D to submit innovative concepts in the area of supervision automatic, also showing a possible structure of software components for use in the areas mentioned. May also be highlighted the review of similar technologies to the purpose of this study, aiming to the identification of influences, improvements and innovations in the areas of authorship 3D and training.
Acesso aberto (Open Access)
Responsabilidade social e satisfação do consumidor: um estudo de caso
(Universidade Federal do Pará, 2006-02-10) ARAÚJO, Marley Rosana Melo de; MOREIRA, Alice da Silva; http://lattes.cnpq.br/7718967463101136; ASSIS, Grauben José Alves de; http://lattes.cnpq.br/0722706223558223
The theme of this study is the phenomenon of social responsibility in business. This research constitutes a case study with a socially responsible company, aiming at to verify the consumer's perception concerning the social responsibility of this company and its influence, together with some variables of business acting (price of the tariff, electric power service, service to the customer, communication with the customer), in the consumer's satisfaction. The studied company was the Rede Celpa Centrais Elétricas do Pará S.A. In preliminary study an instrumental of measurement of the meaning attributed by the consumer to the term social responsibility was developed (Meaning Social Responsibility Scale), validated with sample of 672 consumers of Belém. This scale was adapted and nominated for Social Responsibility Scale, in order to be used in the present study. They were also built more two instruments (Indicators of Business Acting and Evaluation of Consumer’s Satisfaction) to reach the intended objectives. The rising of the data gave through analysis of existent documents in the company; interviews in depth with the directing category of the company; 595 electric power consumers' residential sampling, residents of the neighborhoods Cremação and Umarizal, in the city of Belém. The data were analyzed through Analysis of Content, Factorial Analysis and Analysis of Multiple and Hierarchical Regression. The fact of dealership Rede Celpa to accomplish stamp actions socially responsible it is not still clearly noticed by her consumer, although they has science that the company accomplishes legal obligations in the employees', consumers’ and environment’s treatment. The variables of business acting attested effect on the consumer's satisfaction, although it has remained a variance margin no explained suggesting the need to explore other antecedent variables. The company had their appraised attributes with concepts varying of reasonable for good for the consumer, what contributes to this to demonstrate moderate degree as for the satisfaction in consuming of this dealership.