CPES - Indexed Articles in Conferences
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ItemEnsaios de Estimação de Estado para Sistemas de Distribuição com Medidas Imprecisas( 1994) Vladimiro Miranda ; Jorge Correia Pereira
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ItemRobust Tuning of Power System Stabilizers Using Evolutionary PSO( 2003) Ângelo Mendonça ; Nuno Fonseca ; Vladimiro Miranda ; João Peças Lopes
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ItemRobust Tuning of PSS in Power Systems with Different Operating Conditions( 2003) João Peças Lopes ; Ângelo Mendonça
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ItemOptimal Power Flow Analysis using Fuzzy Supply and Fuzzy Demand Functions( 2004) Teresa Ponce Leão ; Paulo Manuel De Oliveira-De Jesus
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ItemAn integrated Load Allocation/State Estimation Approach for Distribution Networks( 2004) Vladimiro Miranda ; João Tomé Saraiva ; Jorge Correia Pereira
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ItemComponent Technology for Modeling Power Networks in an Integrated DMS( 2004) Jorge Correia Pereira ; Bogdan G. Lucus
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ItemImpact of uncertainty and elastic response of demand in short term marginal prices( 2004) Teresa Ponce Leão ; Paulo Manuel De Oliveira-De Jesus
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ItemCost Loss Allocation in Distribution Networks with Embedded Generation: A Fuzzy Approach( 2004) Teresa Ponce Leão ; Paulo Manuel De Oliveira-De Jesus
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ItemA Multicriteria Approach to Identify the Adequate Wind Power Penetration in Isolated Grids( 2004) Ângelo Mendonça ; Manuel Matos ; João Peças Lopes
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ItemComponent Technology for Modeling Power Networks in an Integrated DMS( 2005) Jorge Correia Pereira ; Bogdan G. Lucus
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ItemMulti-energy Retail Market Simulation with Intelligent Agents( 2005) Vladimiro Miranda ; Naing Oo
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ItemLong Term Cost Allocation Methodology for Distribution Networks with Distributed Generation( 2005) Teresa Ponce Leão ; Paulo Manuel De Oliveira-De Jesus
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ItemImpact of Large Scale Wind Power Integration on Small Signal Stability( 2005) João Peças Lopes ; Ângelo Mendonça
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ItemEvaluation of the Dynamic Behavior of the Portuguese Electric Grid in a Scenario with Large Scale Integration of Wind Generation( 2005) Ângelo Mendonça ; João Peças Lopes ; Pedro José MarquesPretende-se com este trabalho descrever a avaliação do interesse da introdução de aerogeradores dotados de capacidade de Ride Through Fault Capability (RTFC) nomeadamente em termos do impacto no comportamento dinâmico do sistema eléctrico Português, e em cenários com elevada integração de produção eólica. Para tal é feita a comparação de resultados, após a ocorrência de um curto-circuito na rede Portuguesa num cenário de ponta húmida de Inverno, e para casos em que os aerogeradores estão ou não equipados com RTFC. Como resultados mais relevantes pode dizer-se que a introdução de aerogeradores com capacidade de RTFC aumenta de forma significativa a permanência de geradores ligados no sistema, contribuindo assim para uma maior estabilidade do sistema e para menores valores de importação de potência de Espanha.
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ItemIntentional Islanding for reliability improvement in distribution networks with high DG penetration( 2005) Luís Seca ; João Peças LopesIn this paper, a new operational strategy regarding islanding operation is presented exploiting Distributed Generation for islanding purposes. The presence of DG may be used to enhance reliability to final consumers by providing an alternative power source when there is an interruption in the upstream network. The feasibility of this type of operation in distribution networks is analyzed in a case study by analyzing the behavior of different generating units and protection settings.
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ItemCost Loss Allocation in Distribution Networks with High Penetration of Distributed Generation - A Comparative Study( 2005) Paulo Manuel De Oliveira-De Jesus ; Jose Maria Yusta Loyo ; Hussein M. Khodr ; Teresa Ponce Leão
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ItemDistribution Loss Allocation Methods Assessment Under Electricity Market Environment( 2005) Teresa Ponce Leão ; Paulo Manuel De Oliveira-De Jesus
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ItemPrimary Frequency Control Participation Provided by Doubly Fed Induction Wind Generators( 2005) João Peças Lopes ; Rogério Almeida
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ItemVoltage and Reactive Power Control Provided by DG Units( 2005) Ângelo Mendonça ; Nuno Fonseca ; João Peças Lopes ; Luís Seca
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ItemModelling the Impact of Emissions Trading on the Iberian Electricity Market( 2006) F. S. Oliveira ; Rita Mafalda Sousa ; João Tomé Saraiva ; Jorge Correia PereiraThe main purpose of this paper is the modelization and the analysis of the impact of the European market for emissions trading on the integration of Portugal and Spain into an Iberian electricity market (MIBEL). The integration of Portugal and Spain in a single-market may change the technological combination currently used to generate electricity as the current generation structure was mainly planned under monopoly and it may not be adequate for a scenario of liberalization. Further, the impact of emissions trading on the daily clearing prices, and generation scheduling will have important impacts on the value of the different generation technologies, and even on the benefits of integration as a whole. In this paper we analyze, through simulating, how the interaction between emissions trading and the MIBEL may re-shape the landscape of electricity generation, looking at clearing prices and the value of the different technologies, and how both countries are likely to be affected by it.