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Publications

Publications by Pedro Pereira Barbeiro

2014

State Estimation in Distribution Smart Grids Using Autoencoders

Authors
Pereira Barbeiro, PNP; Krstulovic, J; Teixeira, H; Pereira, J; Soares, FJ; Iria, JP;

Publication
2014 IEEE 8TH INTERNATIONAL POWER ENGINEERING AND OPTIMIZATION CONFERENCE (PEOCO)

Abstract
This work proposes an innovative method based on autoencoders to perform state estimation in distribution grids, which has as main advantage the fact of being independent of the network parameters and topology. The method was tested in a real low voltage grid (incorporating smart grid features), under different scenarios of smart meter deployment. Simulations were performed in order to understand the necessary requirements for an accurate distribution grid state estimator and to evaluate the performance of a state estimator based on autoencoders.

2016

Active Management of Electric Vehicles Acting as Distributed Storage

Authors
Soares, FJ; Almeida, PMR; Galus, M; Barbeiro, PNP; Peças Lopes, J;

Publication
Smart Grid Handbook

Abstract

2015

Sizing and siting static synchronous compensator devices in the Portuguese transmission system for improving system security

Authors
Pereira Barbeiro, PNP; Moreira, C; Keko, H; Teixeira, H; Rosado, N; Moreira, J; Rodrigues, R;

Publication
IET GENERATION TRANSMISSION & DISTRIBUTION

Abstract
This study presents a methodology for siting and sizing static synchronous compensator (STATCOM) devices in the Portuguese transmission system in order to improve system security following severe grid faults. Security issues arise since the Portuguese transmission system incorporates significant levels of wind generation without fault ride through and reactive current injection capabilities during grid faults. As the transmission system operator (TSO) is responsible for assuring system security, the goal of the study is to take advantage of the proved STATCOM ability for injecting reactive current in order to mitigate the disconnection of large amounts of wind farms in case of severe grid faults. The proposed methodology was developed and tested in coordination with the Portuguese TSO and it is based on the formulation of an optimisation problem in order to minimise the installed STATCOM power while ensuring its compliance with the current grid code requirements, namely in what concerns to the system stability and security. Given the discrete and complex nature of the problem, a hybrid approach, combining both a heuristic method and an evolutionary particle swarm optimisation (EPSO) algorithm was developed. Results show the effectiveness of the proposed methodology as well as its robustness regarding the validity of the obtained solutions while facing the most severe operational scenarios.

2012

Application of FACTS Devices to Improve System Security

Authors
Pedro Pereira Barbeiro; Carlos Moreira; A. Reis Rodrigues; João Moreira; Nuno Rosado

Publication
11th WIW - 11th Wind Integration Workshop , Lisboa, Portugal

Abstract
The EU countries are expected to achieve by 2020 a high demanding energy policy in relation to the level of integration of renewable in their existing transmission networks. This transformation will represent significant technical challenges for the EU system operators (TSOs). Based on the aforementioned, and forecasting the large amount of wind generation that is planned to be further integrated in the Portuguese transmission network, REN is performing detailed transient stability studies to ensure that this integration takes place in a safe and reliable way and does not compromise the stability of the grid. As part of this investigation REN is interested in evaluating the capacity of FACTS devices to provide reactive support during voltage dips and to help the voltage control in the grid. This article will focus on these particular aspects and presents some particular results from a case study.

2011

Evaluating the impacts of Electric Vehicles and Micro-Generation in Distribution Networks

Authors
Filipe Joel Soares; Pedro Rocha Almeida; Clara Sofia Gouveia; Márcio Lunardelli Ribeiro; Pedro Pereira Barbeiro; João Peças Lopes

Publication
SGM-3822 - 3rd European Conference SmartGrids and E-Mobility , Munich, Germany

Abstract
The main objective of this paper is to assess the impact of the ?G and EV in the Portuguese distribution system.The evaluation was conducted using a tool combining a stochastic model based on a Monte Carlo method with the PSS/E simulation software.

2010

Evaluation of the Impact of Large Scale Integration of Micro-generation Units in Low and Medium Voltage Distribution Networks

Authors
Pedro Pereira Barbeiro; Carlos Moreira; Filipe Joel Soares; Pedro Rocha Almeida

Publication
ITERES 2010 - 2010 IEEE Conference on Innovative Technologies for an Efficient and Reliable Electricity Supply, Waltham, MA, USA

Abstract

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