João Peças Lopes
YOU?
Author Swipe
View article: Grid forming converter sizing strategies for black start operation in islanded offshore wind farms
Grid forming converter sizing strategies for black start operation in islanded offshore wind farms Open
View article: Multi-criteria placement and sizing of utility-scale grid forming converters
Multi-criteria placement and sizing of utility-scale grid forming converters Open
View article: Assistência de Enfermagem a mulher vítima de violência doméstica no âmbito da Atenção Primária em Saúde
Assistência de Enfermagem a mulher vítima de violência doméstica no âmbito da Atenção Primária em Saúde Open
Objetivo: Compreender como é realizada a atuação do enfermeiro da atenção básica à saúde na assistência prestada às mulheres vítimas de violência doméstica. Método: trata-se de um estudo exploratório, com abordagem qualitativa, realizado p…
View article: Location of grid forming converters when dealing with multi‐class stability problems
Location of grid forming converters when dealing with multi‐class stability problems Open
This work proposes an innovative methodology for the optimal placement of grid‐forming converters (GFM) in converter‐dominated grids while accounting for multiple stability classes. A heuristic‐based methodology is proposed to solve an opt…
View article: Sustentabilidade e educação ambiental na formação de professores
Sustentabilidade e educação ambiental na formação de professores Open
Esta revisão bibliográfica explorou a integração insuficiente da sustentabilidade e educação ambiental na formação de professores, um aspecto para o desenvolvimento de práticas educativas responsáveis e conscientes. O objetivo principal de…
View article: VPP Participation in the FCR Cooperation Considering Opportunity Costs
VPP Participation in the FCR Cooperation Considering Opportunity Costs Open
Currently, the transmission system operators (TSOs) from Portugal and Spain do not procure a frequency containment reserve (FCR) through market mechanisms. In this context, a virtual power plant (VPP) that aggregates sources, such as wind …
View article: Public policies to foster green hydrogen seasonal storage: Portuguese study case model until 2040
Public policies to foster green hydrogen seasonal storage: Portuguese study case model until 2040 Open
Portugal made a climate commitment when it ratified the Paris Climate Agreement in 2015. As a result, Portugal, along with other EU members, has created a national roadmap for the deployment of hydrogen as a crucial component of Portugal's…
View article: Evolving Symbolic Model for Dynamic Security Assessment in Power Systems
Evolving Symbolic Model for Dynamic Security Assessment in Power Systems Open
In a high-risk sector, such as power system, transparency and interpretability are key principles for effectively deploying artificial intelligence (AI) in control rooms. Therefore, this paper proposes a novel methodology, the evolving sym…
View article: Risk Assessment of Future Power Systems: Assuring Resilience of Electrification for Decarbonization
Risk Assessment of Future Power Systems: Assuring Resilience of Electrification for Decarbonization Open
View article: iHorus: Uma Contribuição à Gestão de Serviços no Saneamento Básico Explorando Ciência de Contexto na IoT
iHorus: Uma Contribuição à Gestão de Serviços no Saneamento Básico Explorando Ciência de Contexto na IoT Open
O presente artigo apresenta a concepção do framework iHorus enquanto parte do Projeto SANEP-I2MF, direcionado a capturar informações sensoriadas em uma base operacional amplamente distribuída com a finalidade de atender às demandas do Serv…
View article: Improving Dynamic Security in Islanded Power Systems: Quantification of Minimum Synchronous Inertia Considering Fault-Induced Frequency Deviations
Improving Dynamic Security in Islanded Power Systems: Quantification of Minimum Synchronous Inertia Considering Fault-Induced Frequency Deviations Open
In isolated power systems with very high instantaneous shares of renewables, additional inertia should be used as a complementary resource to battery energy storage systems (BESSs) for improving frequency stability, which can be provided b…
View article: A Novel Three-Phase Multiobjective Unified Power Quality Conditioner
A Novel Three-Phase Multiobjective Unified Power Quality Conditioner Open
The decarbonization of the economy and the increasing integration of renewable energy sources into the generation mix are bringing new challenges, requiring novel technological solutions in the topic of smart grids, which include smart tra…
View article: 5. Coordenação com o sistema energético
5. Coordenação com o sistema energético Open
In the evolution of Humanity, communities emerge as a strategy for optimizing individuals' resources. The sharing of these resources ensures greater physical security (from predators) and security of supply (specialization in hunting and, …
View article: Assessment of frequency stability behaviour regarding inertia reduction due to high renewable integration in the Iberian system
Assessment of frequency stability behaviour regarding inertia reduction due to high renewable integration in the Iberian system Open
The progressive integration of electronic converter based Renewable Energy Sources will lead to a reduction of the system synchronous inertia that can endanger the system frequency stability behavior, especially in the case of isolated or …
View article: Public Policies to Foster Green Hydrogen Seasonal Storage: Portuguese Study Case Model Until 2040
Public Policies to Foster Green Hydrogen Seasonal Storage: Portuguese Study Case Model Until 2040 Open
View article: Hydrogen as a Flexibility Vector Towards Security of Supply: A Public Policy Approach
Hydrogen as a Flexibility Vector Towards Security of Supply: A Public Policy Approach Open
View article: Assessing the societal impact of smart grids: Outcomes of a collaborative research project
Assessing the societal impact of smart grids: Outcomes of a collaborative research project Open
Assessing the societal contributions of research is not simple, especially for research projects that produce outputs with low technology readiness levels. This paper analyses the potential societal impacts of research resulting in technol…
View article: Interfacing Power Electronics Systems for Smart Grids: Innovative Perspectives of Unified Systems and Operation Modes
Interfacing Power Electronics Systems for Smart Grids: Innovative Perspectives of Unified Systems and Operation Modes Open
The power distribution grid is centrally managed concerning the requirements of the end-users, however, with the appearance of smart grids, new technologies arc arising. Therefore, distributed energy resources, mainly, renewables, energy s…
View article: New Operation Opportunities for the Solid-State Transformer in Smart Homes: A Comprehensive Analysis
New Operation Opportunities for the Solid-State Transformer in Smart Homes: A Comprehensive Analysis Open
With the expansion of power electronics possibilities for smart homes, new perceptions for power control are emerging, suggesting new possibilities also for smart grids. In this prospect, the solid-state transformer (SST) has a substantial…
View article: Fault-Ride-Through Approach for Grid-Tied Smart Transformers without Local Energy Storage
Fault-Ride-Through Approach for Grid-Tied Smart Transformers without Local Energy Storage Open
The Smart Transformer (ST) is being envisioned as the possible backbone of future distribution grids given the enhanced controllability it provides. Moreover, the ST offers DC-link connectivity, making it an attractive solution for the dep…
View article: Projeto Helix: Explorando Social Internet of Things (SIoT) no Atendimento à Pessoas Portadoras de Deficiência Visual
Projeto Helix: Explorando Social Internet of Things (SIoT) no Atendimento à Pessoas Portadoras de Deficiência Visual Open
Neste artigo é proposta uma abordagem, denominada Helix-SIoT, que explora os conceitos da Internet Social das Coisas para suporte às pessoas com deficiência visual (PCDVs). O objetivo é potencializar com o uso de uma SIoT o tratamento dos …
View article: Hydrogen and the Transition from Gas Networks to a New Energy Carrier Paradigm
Hydrogen and the Transition from Gas Networks to a New Energy Carrier Paradigm Open
Portugal has developed a national roadmap for hydrogen deployment as a key element of the Portuguese energy transition towards carbon neutrality, with a major contribution towards the electrification of society, generating synergies betwee…
View article: Influence of Load Dynamics on Converter-Dominated Isolated Power Systems
Influence of Load Dynamics on Converter-Dominated Isolated Power Systems Open
The operation of isolated power systems with 100% converter-based generation requires the integration of battery energy storage systems (BESS) using grid-forming-type power converters. Under these operating conditions, load dynamics influe…
View article: LTER Baixo Sabor: Long term monitoring of freshwater fish - Sabor watershed [2012 - 2020]
LTER Baixo Sabor: Long term monitoring of freshwater fish - Sabor watershed [2012 - 2020] Open
The dataset contains records of Fishes (Pisces) collected in the River Sabor (NE Portugal) in 2012-2020, in the scope of a study aiming to understand the temporal dynamics of fish communities in relation to natural and anthropogenics drive…
View article: Smart transformer/large flexible transformer
Smart transformer/large flexible transformer Open
Solid-state transformer-based smart transformer (ST) can provide the dc connectivity and advanced services to improve the grid performance and to increase the penetration of the power electronics interfaced resources (e.g., distributed gen…
View article: Optimal setting of PV and battery energy storage in radial distribution systems using multi‐objective criteria with fuzzy logic decision‐making
Optimal setting of PV and battery energy storage in radial distribution systems using multi‐objective criteria with fuzzy logic decision‐making Open
Minimising the total power losses and enhancing the voltage profile is achieved using a proposed multi‐objective chaotic salp swarm algorithm with fuzzy logic decision‐making. The proposed multi‐objective chaotic salp swarm algorithm is ut…
View article: A convex model for induction motor starting transients imbedded in an OPF-based optimization problem
A convex model for induction motor starting transients imbedded in an OPF-based optimization problem Open
View article: Flexibility Assessment of Multi-Energy Residential and Commercial Buildings
Flexibility Assessment of Multi-Energy Residential and Commercial Buildings Open
With the growing concern about decreasing CO 2 emissions, renewable energy sources are being vastly integrated in the energy systems worldwide. This will bring new challenges to the network operators, which will need to find sources of fle…
View article: Optimal Load Restoration in Active Distribution Networks Complying With Starting Transients of Induction Motors
Optimal Load Restoration in Active Distribution Networks Complying With Starting Transients of Induction Motors Open
Large horsepower induction motors play a critical role as industrial drives in production facilities. The operational safety of distribution networks during the starting transients of these motor loads is a critical concern for the operato…
View article: A convex model for induction motor starting transients imbedded in an\n OPF-based optimization problem
A convex model for induction motor starting transients imbedded in an\n OPF-based optimization problem Open
Large horsepower induction motors play a critical role in the operation of\nindustrial facilities. In this respect, the distribution network operators\ndedicate a high priority to the operational safety of these motor loads. In\nthis paper…