6 resultados para Tendências na densidade de ignições

em Repositório Institucional da Universidade Estadual de São Paulo - UNESP


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The public consultation n° 018/2014, for review the Module 8 of Procedures of Electricity Distribution (PRODIST), conducted by National Agency of Electric Energy (ANEEL), aims to improve the regulation of power quality, considering the phenomena harmonic distortion, voltage unbalance, voltage fluctuation and short term voltage variation. These regulatory changes impact in the way of analysis and treatment, of power quality disruption, by the electricity distribution. The developed work makes a study about the applications of these new regulatory requests and hopes to contribute with a better understanding. Through power quality measurements, in distribution substations, with different load profiles (industrial, urban and rural), was obtained a real view of the system, under the aspect of power quality, to evaluate the regulation adherence to the current version and proposed. In this case study, although being in accordance with the current methodology, happened a transgression of propose. With a comparative analysis, was possible to identify some phenomena that were more flexible in the proposed revision and others with more severe monitoring

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In the past few years, the Brazilian oil and gas sector had a considered growth, gaining enough relevance at international level, and being extremely important for the Brazilian socioeconomic development. However, the sector is still limited due to technical deficiencies. This work aims to conduct a current study, comprehending the entire oil chain, since it is possible to mention the Brazilian market updates on this context. To support this study, the historical development of the Brazilian petroleum industry was presented and the main stages of the production process were exposed with an emphasis on exploration and production phases. The new technologies developed for deepwater extractions, such as the pre-salt regions, were also discussed and, in the end, the relation of this growing market with the opportunities of the Human Resources Program of n. 48 was highlighted. This program identifies the market's actual needs and it's scarce's areas with the purpose of building capacity and qualified workforces, since it is also aimed, in a national level, a self-sufficient human resources for the sector

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With the Big Data development and the growth of cloud computing and Internet of Things, data centers have been multiplying in Brazil and the rest of the world. Designing and running this sites in an efficient way has become a necessary challenge and to do so, it's essential a better understanding of its infrastructure. Thus, this paper presents a bibliography study using technical concepts in order to understand the specific needs related to this environment and the best forms address them. It discusses the data center infrastructure main systems, methods to improve their energy efficiency and their future trends

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In this work, we address the informational Density Index (IDI) a methodological Option How To be used on the Research Procedures Analysis of Commerce Geography. The IDI and an indicator of Technological Complexity level of economic activities and a review and made a database from CNEFE / NCEA, where the first signifies the National Register of Establishments for statistical purposes and the second means a National Classification Economic Activities. Elaborated with emphasis on discussion of between center and centrality relations, wish to present a constitution of a data base on level sampling with an analysis elaboration do IDI from the criteria: home-page and e - commerce. This methodology helps us understand how polycentric structures, locational enterprise well as a reflection on the middle cities using a through the analysis on city of São Carlos/SP. Where we see the establishments with greater and lesser content as well as its geographical distribution, noting of according to the criteria listed number of establishments with IDI 0 very relevant. Our analysis as well as such divisions that meet greater index, so, IDI 2 like to financial activities. Also present at methodological level the city of São José do Rio Preto/SP paragraph seizure of care when working there in database