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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2000.tde-13072007-162515
Document
Author
Full name
Carlos Alexandre de Sousa Penin
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2000
Supervisor
Committee
Kagan, Nelson (President)
Arango, Hector
Gouvêa, Marcos Roberto
Title in Portuguese
Análise de índices de qualidade no planejamento agregado de investimentos em ambiente de incertezas.
Keywords in Portuguese
Índices de qualidade
Planejamento de investimentos
Redes elétricas de distribuição primárias
Abstract in Portuguese
Este presente trabalho visa fornecer novas ferramentas para a análise de índices de qualidade no âmbito do planejamento agregado de investimentos em sistemas de distribuição primária. O planejamento agregado de investimentos representa uma metodologia de previsão de investimentos em Sistemas de Distribuição de uma empresa, que utiliza a análise estatística e classificação de rede em famílias para representação da rede, considera aspectos de incertezas e critérios de priorização de obras, em função dos recursos disponíveis, e informa o tipo de obra a ser realizada e o montante de investimentos necessário por tipo de obra. Este trabalho procura complementar o modelo através da análise técnica dos índices de qualidade, quantificando-se os benefícios obtidos ao longo do horizonte de estudo, através de um sistema computacional que, baseado nos resultados dos representantes dos grupos de redes, determina os índices técnicos para tais representantes, para as regionais definidas e para todo o sistema, possibilitando a análise gerencial da evolução da rede elétrica. Também foi desenvolvida ferramenta que permite a determinação do Custo Incremental Médio de Longo Prazo (CIMLP) e do Custo Marginal do sistema de média tensão, englobando subestações de distribuição e circuitos primários do sistema elétrico. O trabalho é finalizado com o estudo de um caso de planejamento de uma área de concessão de uma empresa fictícia, onde são executados os processamentos e analisados os resultados técnicos, de custos e de qualidade.
Title in English
Quality indices analysis in the long term investment planning of primary electric power distribution systems.
Keywords in English
Long term investment planning
Primary electric power distribution systems
Quality of supply ind
Abstract in English
This work aims at developing new tools for the analysis of quality of supply indices regarding long term investment planning of primary electric power distribution systems. Investment planning in aggregated basis represents a established methodology for estimating future investments in all distribution systems of a utility, by using statistic and clustering analysis to represent the overall network through groups of elementary distribution systems. The methodology also considers uncertainty and makes use of a number of criteria to prioritize new facilities to be incorporated into the system, taking into account financial constraints. For each new facility the system determines costs and corresponding benefits. This dissertation complements such model through the introduction and analysis of various quality of supply indices, helping the planner engineer to assess all benefits related to a given investment plan. The developed computational system is based on the results obtained for each elementary distribution system. It then evaluates global and regional technical indices, that allows for important managerial analysis concerning the system expansion. The computational system also evaluates the average long range incremental and the marginal costs associated with a specific investment plan, thus taking into account new facilities concerning substations and network feeders. A case study considering a fictitious distribution company and its overall system illustrates the tools developed, showing all potential studies and decision making capabilities which were made available during this research work.
 
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dissertacaoPenin.pdf (2.06 Mbytes)
Publishing Date
2007-08-15
 
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