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About

About

Sergio F. Santos received the B.Sc., M.Sc. and Ph.D. degrees from the University of Beira Interior (UBI), Covilhã, Portugal, in 2012, 2014 and 2017, respectively. He is currently working as an Assistant Researcher in INESCTEC, Porto. He worked in the European Project SiNGULAR - Smart and Sustainable Insular Electricity Grids Under Large-Scale Renewable Integration, and in several national projects, ESGRIDS - Enhancing Smart GRIDS for Sustainability, EMaDes - Energy, Materials and Sustainable Development, and UNiTED - Unlocking demand response potential with Next generation innovative optimization Tools Empowering prosumers and Distribution grid benefits. His research interests include power systems operation and planning, renewable energy integration, ancillary services, virtual power plants, demand response, system flexibility and smart grid applications.

Interest
Topics
Details

Details

  • Name

    Sérgio Santos
  • Cluster

    Power and Energy
  • Role

    Assistant Researcher
  • Since

    01st May 2019
001
Publications

2020

The future of power systems: Challenges, trends, and upcoming paradigms

Authors
Lopes, JAP; Madureira, AG; Matos, M; Bessa, RJ; Monteiro, V; Afonso, JL; Santos, SF; Catalao, JPS; Antunes, CH; Magalhaes, P;

Publication
Wiley Interdisciplinary Reviews: Energy and Environment

Abstract

2020

Multi Flexibility Options Integration to Cope with Large-Scale Integration of Renewables

Authors
Cruz, MRM; Fitiwi, DZ; Santos, SF; Mariano, SJPS; Catalao, JPS;

Publication
IEEE Transactions on Sustainable Energy

Abstract
Conventional electrical networks are slowly changing. A strong sense of policy urge as well as commitments have recently been surfacing in many countries to integrate more environmentally friendly energy sources into electrical systems. In particular, stern efforts have been made to integrate more and more solar and wind energy sources. One of the major setbacks of such resources arises as a result of their intermittent nature, creating several problems in the electrical systems from a technical, market, operation and planning perspectives. This work focuses on the operation of an electrical system with large-scale integration of solar and wind power. In order to cope with the intermittency inherent to such power sources, it is necessary to introduce more flexibility into the system. In this context, Demand Response, Energy Storage Systems and Dynamic Reconfiguration of the system are introduced and the operational performance of the resulting system is thoroughly analyzed. To carry out the required analysis, a stochastic MILP operational model is developed, whose efficacy is tested on an IEEE 119-bus standard network system. Numerical results indicate that the joint integration of various flexibility mechanisms into the system can support a seamless integration of large-scale intermittent renewable energies. IEEE

2020

Prosumer flexibility: A comprehensive state-of-the-art review and scientometric analysis

Authors
Gough, M; Santos, SF; Javadi, M; Castro, R; Catalao, JPS;

Publication
Energies

Abstract
There is a growing need for increased flexibility in modern power systems. Traditionally, this flexibility has been provided by supply-side technologies. There has been an increase in the research surrounding flexibility services provided by demand-side actors and technologies, especially flexibility services provided by prosumers (those customers who both produce and consume electricity). This work gathers 1183 peer-reviewed journal articles concerning the topic and uses them to identify the current state of the art. This body of literature was analysed with two leading textual and scientometric analysis tools, SAS Visual Text Analytics and VOSviewer, in order to provide a detailed understanding of the current state-of-the-art research on prosumer flexibility. Trends, key ideas, opportunities and challenges were identified and discussed. © 2020 by the authors.

2020

Optimization of Prosumer's Flexibility Taking Network Constraints into Account

Authors
Gough, M; Ashraf, P; Santos, SF; Javadi, M; Lotfi, M; Osario, GJ; Catalao, JPS;

Publication
Proceedings - 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe, EEEIC / I and CPS Europe 2020

Abstract
The integration of new technologies at the residential level such as energy storage systems, electric vehicles, solar photovoltaic generation and mini wind turbines triggered the appearance of a new agent in the power systems called prosumers. This agent has the potential to provide new forms of flexibility and cost-effective solutions. However, associated with these new solutions there are also a number of problems that affect these solutions, particularly network constraints. This work presents an analysis not only on the benefits of utilizing the prosumer's flexibility but also to the problems associated with the operation and optimization of the network. A new model is presented that considers energy transactions between prosumers in the neighborhood and between them and the network using on a stochastic framework, in order to account for a set of uncertainties in the form of scenarios associated with the availability of various resources and technologies. The results show the economic benefit of energy transactions between prosumers resulting in more flexibility for the system while highlighting the effect of network restrictions and potential problems associated with them. © 2020 IEEE.

2020

Optimisation of Prosumers' Participation in Energy Transactions

Authors
Gough, M; Santos, SF; Javadi, M; Fitiwi, DZ; Osorio, GJ; Castro, R; Lotfi, M; Catalao, JPS;

Publication
Proceedings - 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe, EEEIC / I and CPS Europe 2020

Abstract
There is an ongoing paradigm shift occurring in the electricity sector. In particular, previously passive consumers are now becoming active prosumers and they can now offer important and cost-effective new forms of flexibility and demand response potential to the electricity sector and this can translate into system-wide operational and economic benefits. This work focuses on developing a model where prosumers participate in demand response programs through varying tariff schemes, and the model also quantifies the benefits of this flexibility and cost-reductions. This work includes transactive energy trading between various prosumers, the grid and the neighborhood. A stochastic tool is developed for this analysis, which also allows the quantification of the collective behavior so that the periods with the greatest demand response potential can be identified. Numerical results indicate that the optimization of energy transactions amongst the prosumers, and including the grid, leads to considerable cost reductions as well as introducing additional flexibility in the presence of demand response mechanisms. © 2020 IEEE.