System Protection Schemes
Mostrando 1-8 de 8 artigos, teses e dissertações.
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1. PROPOSTA DE UM SISTEMA HÍBRIDO COMPOSTO POR REDES NEURAIS ARTIFICIAIS E ALGORÍTMOS GENÉTICOS PARA O TRATAMENTO DE ALARMES E O DIAGNÓSTICO DE FALTAS EM SISTEMAS ELÉTRICOS DE POTÊNCIA / PROPOSAL OF A HYBRID SYSTEM COMPOSED OF ARTIFICIAL NEURAL NETWORKS AND GENETIC ALGORITHMS FOR THE TREATMENT OF ALARMS, AND FAULT DIAGNOSIS IN ELECTRICAL POWER SYSTEM
This work proposes a hybrid system for alarm processing and fault diagnosis in electrical networks which use two methods of computational intelligence: Generalized Regression Neural Network and Genetic Algorithms. The neural network has the function of processing the set of received alarms and present as a response the characteristic(s) event(s), using for t
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/02/2011
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2. ELECTRIC DISTRIBUTION POWER SYSTEMS RELIABILITY OPTIMIZATION: An Approach Considering the Selection and Allocation of Protection and Switching Devices / OTIMIZAÇÃO DA CONFIABILIDADE DE SISTEMAS DE DISTRIBUIÇÃO DE ENERGIA ELÉTRICA: Uma Abordagem Considerando a Seleção e Alocação de Dispositivos de Proteção e Manobras
One of the main goals of the electric utilities is to provide energy to its customers in a reliable and low cost way. Traditionally, the electricity sector regulatory commissions impose continuity targets, which must be carried out, to avoid great penalties. For many years, the electric utilities have adopted the practice of allowing the increment of tempora
Publicado em: 2009
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3. ESQUEMAS DE PROTEÇÃO DE SISTEMAS DE ENERGIA ELÉTRICA / ELETRIC POWER SYSTEMS PROTECTION SCHEMES
O objetivo desta dissertação é realizar uma introdução aos estudos e às aplicações dos Esquemas de Proteção de Sistemas -EPSs- usados para manter a segurança dos Sistemas de Energia Elétrica. Um pequeno conjunto de definições e conceitos das áreas de proteção, confiabilidade e análise de desempenho de sistemas de potência é apresentado co
Publicado em: 2002
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4. Modelagem das funções de uma subestação automatizada empregando modelos orientadosa objeto. / Modeling the functions of an automated substation with object oriented models.
This is a descriptive study concerning the modeling technique applying object-oriented models for a communication interface among the equipments in the field of an electric substation. The standard architecture UCA - Utility Communications Architecture and GOMSFE - Generic Object Models for Substation &Feeder Equipment are used, allowing the reduction of the
Publicado em: 2002
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5. Uma analise da assistencia medico-hospitalar privada : o polo medico da cidade do Recife na travessia do seculo XX para o XXI
This thesis presents a case study of the medical/socialdevelopment project which has come to be known as the Recife medica/ services cluster. It records and discusses commonly aired opinions concerning the project in the city, relating these to issues of public health. In this way. an attempt is made to understand how, in a city full of deprivation, whose ci
Publicado em: 2002
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6. Sobre a percepÃÃo remota de sniffers para detectores de intrusÃo em redesTCP/IP
Since the early days of the Internet, security problems are a common issue. The non-correctness of code implementations of operating systems, protocol stacks, servers and administration procedure errors in networks connected to the Internet usually allow remote hacking probes and exploring, and the result is a large-scale problem with non-trivial solution. N
Publicado em: 1999
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7. GENERATION AND TRANSMISSION SYSTEM RELIABILITY CONSIDERING STATIC AND DYNAMIC ASPECTS / CONFIABILIDADE DE SISTEMAS DE GERAÇÃO E TRANSMISSÃO CONSIDERANDO ASPECTOS ESTÁTICOS E DINÂMICOS
Traditionally, bulk power reliability evaluations have concentrated on the analysis of system adequacy, the ability of the generating and the transmission systems to supplhy all loadas within performance requirements. This work presents a new methodology that extends the scope of reliability evaluations to include probabilistic assessment of system security,
Publicado em: 1997
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8. ANALYSIS OF THE PERFORMANCE OF PROTECTION SCHEMES IN ELECTRIC ENERGY EXTRA HIGH VOLTAGE TRANSMISSION SYSTEMS WITH SERIES COMPENSATION / ANÁLISE DO DESEMPENHO DE ESQUEMAS DE PROTEÇÃO EM SISTEMAS DE TRANSMISSÃO DE EXTRA ALTA TENSÃO DOTADOS DE COMPENSAÇÃO SÉRIE
The Constant growth of the demand for electrical energy in Brazil is leading to an increased use of the country¿s vast hydro potencial. The great size of the hydroelectric plants being planned for the near future, as well as their distance from the main load centers, will make it necessary to transmit vast amounts of power over long EHV lines. The electrica
Publicado em: 1974