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About

João A. Peças Lopes (PhD) is Full Professor (Professor Catedrático) at the Faculty of Engineering of Porto University, where he teaches in the graduation and post-graduation areas.

Was for 7 years Director of the Sustainable Energy Systems PhD program at FEUP and Director of Advanced course on Sustainable Energy Systems also at FEUP.
He is Director/Member of the Board of INESC TEC.

He is Vice-Presidente of the board of the Portuguese Association for Electric Vehicles.

Prof. Peças Lopes was responsible by INESC Porto activities in several EU financed research projects, namely the project - MICROGRIDS - Large Scale Integration of Micro Generation to Low Voltage Grids  and MORE_MICROGRIDS -  Advanced Architectures and Control Concepts for More Microgrids and MERGE - Mobile Energy Resources for Grids of Electricity.

He supervised several consulting projects related with the impact analysis of the connection of wind parks in the electrical grids of Madeira, Azores,  Sal, S. Vicente and S. Tiago, in the Republic of Cabo Verde. He was the responsible for several consultancy projects related with the electrical grid impact resulting from the connection of large wind parks in Portugal.

He was also responsible for the definition of technical rules for the integration of wind power in Brazil. He coordinated also consultancy studies for the Hungarian Regulator regarding the evaluation of the integration of wind power in Hungary. He coordinates the participation of INESC Porto in the InovGrid project.

He was also the Chair of the Selection Committee of the public tender that decided about the integration of 1800 MW of wind generation in Portugal, launched by the Portuguese government in 2005.

He was member of the Executive board of the EES/UETP consortium and Chair of its course program committee.

He has served as research project evaluator for the European Commission and for governmental science organizations in Portugal, France, Italy, Greece, Finland, Danemark and Ireland.

He was for more than 4 years one of the coordinators of INESC Porto Power System Unit.

He is co-editor of the (SEGAN) Sustainable Energy Grids and Networks journal.

His main domains of research are presently related with large scale integration of renewable power sources in power systems (namely wind generation), power system dynamics, microgrids, smartmetering and integration of electric vehicles in electrical grids.

In 2012 he received the CIGRE Technical Committee Award in recogmition of his outstanding contribution to the work of the Study Committee C6 – Distribution Systems and Dispersed Generation.

Prof. Peças Lopes is an IEEE Fellow
He is member of the Power Systems Dynamic Performance Committee of the IEEE PES.

Interest
Topics
Details

Details

  • Name

    João Peças Lopes
  • Cluster

    Power and Energy
  • Role

    Member of the Board of Directors
  • Since

    01st March 1989
023
Publications

2017

Control of an isolated single-phase bidirectional AC-DC matrix converter for V2G applications

Authors
Varajão, D; Araújo, RE; Miranda, LM; Lopes, JP; Weise, ND;

Publication
Electric Power Systems Research

Abstract
This paper describes a new current control method that enhances the dynamic performance of a single-phase bidirectional AC-DC battery charger to provide a high-frequency link between the grid and electric vehicle. The single-stage structure and the bidirectional power flow make the matrix converter an attractive solution for electric vehicle (EV) battery charging applications in the context of smart grids. The operating principles and modulation method are analyzed and discussed in detail. Furthermore, a current controller improved with a Smith predictor is proposed to decrease the phase delay in the measurement of the average current in the battery pack. The SP reduces the rise time to around a third and the settling time to half when compared with a PI controller. Simulations and experimental results from a laboratory prototype are shown to verify the feasibility of the proposed control scheme. © 2017 Elsevier B.V.

2017

MicroGrid Energy Balance Management for Emergency Operation

Authors
Gouveia, J; Gouveia, C; Rodrigues, J; Bessa, R; Madureira, AG; Pinto, R; Moreira, CL; Lopes, JAP;

Publication
2017 IEEE MANCHESTER POWERTECH

Abstract
A distinctive characteristic of a Microgrid (MG) system is related to the ability of operating autonomously. However, the stability of the system relies in storage and generation availability, providing frequency and voltage regulation. Considering the deployment of distributed storage units in the Low Voltage network and of smart metering infrastructures, this paper presents an online tool for promoting an effective coordination of MG flexible resources in order ensure a secure autonomous operation and maximize the time that the MG is able to operate islanded from the main grid. The tool determines a priori an emergency operation plan for the next hours, based on load and microgeneration forecasting. The limited energy capacity of the distributed storage units participating in MG control is also considered.

2017

AnyPLACE - An Energy Management System to Enhance Demand Response Participation

Authors
Abreu, C; Rua, D; Costa, T; Machado, P; Pecas Lopes, JAP; Heleno, M;

Publication
2017 IEEE MANCHESTER POWERTECH

Abstract
This paper describes an energy management system that is being developed in the AnyPLACE project to support new energy services, like demand response, in residential buildings. In the project end-user interfaces are designed and implemented to allow the input of preferences regarding the flexible use of shiftable and thermal appliances. Monitoring and self-learning algorithm are used to allow additional information to be collected and an automation platform is available for the management and control of appliances. An energy management algorithm is presented that processes end-user preferences and devices characteristics to produce an optimal dispatch considering demand response incentives. Results show the successful implementation of an optimized energy scheduling.

2017

Using low-voltage surge protection devices for lightning protection of 15/0.4 kV pole-mounted distribution transformer

Authors
Resende, FO; Peças Lopes, JA;

Publication
CIRED - Open Access Proceedings Journal

Abstract

2017

Dual technology energy storage system applied to two complementary electricity markets using a weekly differentiated approach

Authors
Ferreira, HL; Stankova, K; Lopes, JP; Slootweg, JG; Kling, WL;

Publication
JOURNAL OF ENERGY STORAGE

Abstract
This paper deals with integration of energy storage systems into electricity markets. We explain why the energy storage systems increase flexibility of both power systems and energy markets and why such flexibility is desirable, particularly when variable renewable energy sources are being used in existing power systems. As opposed to the existing literature, our model includes a dual technology energy storage system, acting in two different markets. We introduce a mathematical formulation for this model applied to two Dutch electricity markets. Adopting optimal control approach with the goal to maximize the yearly benefit, we show that the dual energy storage system can be profitable already when the same buying/selling strategies are adopted for the working days and weekends. We show that the profitability (slightly) increases with different buying/selling strategies for the weekdays and weekends. Finally, we demonstrate how the yearly benefit varies with size and efficiency of the devices chosen and market prices. (C) 2017 Published by Elsevier Ltd.

Supervised
thesis

2016

Provision of Advanced Ancillary Services through Demand Side Integration

Author
Miguel Luis Delgado Heleno

Institution
UP-FEUP

2016

Integration of Energy Storage in Power Systems

Author
Helder Miguel Lopes Ferreira

Institution
Outra

2016

Hosting capacity for distributed generation using energy storage and load flexibility

Author
Carlos Alberto Nogueira Pereira

Institution
UP-FEUP

2015

Experimental validation of microgrids: exploiting the role of plug-in electric vehicles, active load control and micro-generation units

Author
Clara Sofia Teixeira Gouveia

Institution
UP-FEUP

2015

Representing Battery Energy Storage in Electric Power System Studies

Author
Claudio Ricardo Vergara Ramírez

Institution
UP-FEUP