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Sobre

Sobre

Concluí a Licenciatura e do Doutoramento em Engenharia Eletrotécnica e de Computadores (Ramo de Sistemas de Energia), na Faculdade de Engenharia da Universidade do Porto (FEUP) em 2003 e 2008, respetivamente.

Sou investigador do Centro de Sistemas de Energia do INES TEC desde 2003, assumindo a função de responsável de área de "Estudos de rede e integração de produção distribuída" desde setembro de 2015. Em fevereiro de 2009 iniciei funções de Professor Auxiliar no Departamento de Engenheira Eletrotécnica e de Computadores da FEUP, desenvolvendo a atividade letiva no Mestrado Integrado em Engenharia Eletrotécnica e de Computadores e em Programas Doutorais (Programa Doutoral em sistemas Sustentáveis de Energia e Programa Doutoral em Engenharia Eletrotécnica e de Computadores).

Tenho participado ativamente (na qualidade de colaborador e/ou líder de equipas de desenvolvimento) em diversos projetos europeus, sendo de destacar os seguintes:

1.    MICROGRIDS: Large Scale Integration of Micro Generation to Low Voltage Grids;

2.    MORE-MICROGRIDS:  Advanced Architectures and Control Concepts for More Microgrids;

3.    MERGE: Mobile Energy Resources for Grids of Electricity;

4.    TWENTIES:  Transmission system operation with large penetration of Wind and other renewable Electricity sources in Networks by means of innovative Tools and Integrated Energy Solutions;

5.    HYPERBOLE: HYdropower plants PERformance and flexiBle Operation towards Lean integration of new renewable Energies;

6.    EU-SysFLEX: Pan-European system with an efficient coordinated use of flexibilities for the integration of a large share of RES.

Tenho participado igualmente em diversas atividades de consultoria técnica relacionadas com a ligação de parques eólicos à rede. Tenho desenvolvido igualmente atividades de consultoria técnica em diversos projetos relacionados com a dinâmica e estabilidade de sistemas isolados com volumes crescentes de integração de energia renovável.

Atualmente os meus interesses de investigação principais estão focados no domínio da integração em larga escala de fontes de energia renováveis em sistemas de energia isolados e interligados, na dinâmica e estabilidade dos sistemas elétricos de energia e na operação e controlo de micro-redes.

Tópicos
de interesse
Detalhes

Detalhes

  • Nome

    Carlos Moreira
  • Cluster

    Energia
  • Cargo

    Investigador Sénior
  • Desde

    01 março 2003
068
Publicações

2024

A Novel Three-Phase Multiobjective Unified Power Quality Conditioner

Autores
Monteiro, V; Moreira, C; Lopes, JAP; Antunes, CH; Osorio, GJ; Catalao, JPS; Afonso, JL;

Publicação
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS

Abstract
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 transformers and energy storage systems. Additionally, power quality is a vital concern for the future smart grids; therefore, the continuous development of power electronics solutions to overcome power quality problems is of the utmost importance. In this context, this article proposes a novel three-phase multiobjective unified power quality conditioner (MO-UPQC), considering interfaces for solar PV panels and for energy storage in batteries. The MO-UPQC is capable of compensating power quality problems in the voltages (at the load side) and in the currents (at the power grid side), while it enables injecting power into the grid (from the PV panels or batteries) or charging the batteries (from the PV panels or from the grid). Experimental results were obtained with a three-phase four-wire laboratory prototype, demonstrating the feasibility and the large range of applications of the proposed MO-UPQC.

2023

Improving Dynamic Security in Islanded Power Systems: Quantification of Minimum Synchronous Inertia Considering Fault-Induced Frequency Deviations

Autores
Gouveia, J; Moreira, L; Peças Lopes, A;

Publicação
Electricity

Abstract
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 by synchronous condensers (SCs) integrated into the system. Therefore, this paper presents a methodology to infer the system dynamic security, with respect to key frequency indicators, following critical disturbances. Of particular interest is the evidence that multiple short-circuit locations should be considered as reference disturbances regarding the frequency stability in isolated power grids with high shares of renewables. Thus, an artificial neural network (ANN) structure was developed, aiming to predict the network frequency nadir and Rate of Change of Frequency (RoCoF), considering a certain operating scenario and disturbances. For the operating conditions where the system frequency indicators are violated, a methodology is proposed based on a gradient descent technique, which quantifies the minimum amount of additional synchronous inertia (SCs which need to be dispatch) that moves the system towards its dynamic security region, exploiting the trained ANN, and computing the sensitivity of its outputs with respect to the input defining the SC inertia.

2023

Including Dynamic Security Constraints in Isolated Power Systems Unit Commitment/Economic Dispatch: a Machine Learning-based Approach

Autores
de Sousa, RP; Moreira, C; Carvalho, L; Matos, M;

Publicação
2023 IEEE BELGRADE POWERTECH

Abstract
Isolated power systems with high shares of renewables can require additional inertia as a complementary resource to assure the system operation in a dynamic safe region. This paper presents a methodology for the day-ahead Unit Commitment/ Economic Dispatch (UC/ED) for low-inertia power systems including dynamic security constraints for key frequency indicators computed by an Artificial Neural-Network (ANN)-supported Dynamic Security Assessment (DSA) tool. The ANN-supported DSA tool infers the system dynamic performance with respect to key frequency indicators following critical disturbances and computes the additional synchronous inertia that brings the system back to its dynamic security region, by dispatching Synchronous Condensers (SC) if required. The results demonstrate the effectiveness of the methodology proposed by enabling the system operation within safe frequency margins for a set of high relevance fault type contingencies while minimizing the additional costs associated with the SC operation.

2023

Multi-Class Stability Analysis of the Grid-Forming Placement Problem

Autores
Fernandes, F; Lopes, JP; Moreira, C;

Publicação
2023 IEEE BELGRADE POWERTECH

Abstract
This paper evidences the ability of a VSM-based grid-forming to mitigate stability problems of different classes, raising a special concern towards the importance of its location in systems with large converter-interfaced renewable energy systems. Within this context, a multi-class stability assessment, that pillars on the simulation of different nature disturbances and in the subsequent evaluation of a 4 index set, was performed. Such analysis was carried out on a modified version of the IEEE39 Test System, using DigSILENT Power Factory as the simulation engine.

2021

Influence of Load Dynamics on Converter-Dominated Isolated Power Systems

Autores
Gouveia, J; Moreira, CL; Lopes, JAP;

Publicação
APPLIED SCIENCES-BASEL

Abstract
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 influences the network frequency and voltage following large voltage disturbances. In this sense, the inclusion of induction motor (IM) load models is required to be properly considered in BESS power converter sizing. Thus, this paper presents an extensive sensitivity analysis, demonstrating how load modeling affects the BESS power converter capacity when adopting conventional control strategies while aiming to assure the successful recovery of all IM loads following a network fault. Furthermore, this work highlights that generators with converter interfaces can actively contribute to mitigate the negative impacts resulting from IM loads following a network fault. Thereby, two distinct control strategies are proposed to be integrated in the power electronic interfaces of the available converter-based generators: one to be adopted in grid-following converters and another one suitable for grid-forming converters. The proposed control strategies provide an important contribution to consolidating insular grid codes, aiming to achieve operational scenarios accommodating 100% penetration of converter-based generation with a significative percentage of the IM load composition without resorting to a significative increase in BESS power converter sizing.

Teses
supervisionadas

2022

Contributions for improving the stability of autonomous power systems with low synchronous inertia

Autor
José Miguel Rodrigues Gouveia

Instituição
UP-FEUP

2022

Comportamento Dinâmico de Sistemas de Transmissão com Inércia Reduzida

Autor
Ana Sofia Carvalho da Silva

Instituição
UP-FEUP

2022

Advanced Control Functionalities for Smart-Transformers Integrating Hybrid MicroGrids

Autor
Justino Miguel Ferreira Rodrigues

Instituição
UP-FEUP

2022

Islanding Operation and Black Start Strategies for Multi-Microgrids using the Smart Transformer

Autor
Mário Jorge Teixeira Couto

Instituição
UP-FEUP

2022

Controlo de tensão em redes de distribuição com transformadores eletrónicos

Autor
Vera Lúcia Cardoso Nunes

Instituição
UP-FEUP