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Publicações

Publicações por Sérgio Santos

2019

Impact of Strategic Behaviors of the Electricity Consumers on Power System Reliability

Autores
Gazafroudi, AS; Shafie Khah, M; Fitiwi, DZ; Santos, SF; Corchado, JM; Catalão, JPS;

Publicação
Studies in Systems, Decision and Control - Sustainable Interdependent Networks II

Abstract

2019

Optimal Spinning Reserve Allocation in Presence of Electrical Storage and Renewable Energy Sources

Autores
Javadi, MS; Lotfi, M; Gough, M; Nezhad, AE; Santos, SF; Catalao, JPS;

Publicação
2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)

Abstract

2019

Stochastic Security Constrained Unit Commitment with High Penetration of Wind Farms

Autores
Kia, M; Hosseini, SH; Heidari, A; Lotfi, M; Catalao, JPS; Shafie khah, M; Osorio, G; Santos, SF;

Publicação
Proceedings - 2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2019

Abstract
Secure and reliable operation is one of the main challenges in restructured power systems. Wind energy has been gaining increasing global attention as a clean and economic energy source, despite the operational challenges its intermittency brings. In this study, we present a formulation for electricity and reserve market clearance in the presence of wind farms. Uncertainties associated with generation and line outages are modeled as different system scenarios. The formulation incorporates the cost of different scenarios in a two-stage short-term (24-hours) clearing process, also considering different types of reserve. The model is then linearized in order to be compatible with standard mixed-integer linear programming solvers, aiming at solving the security constrained unit-commitment problem using as few variables and optimization constraints as possible. As shown, this will expedite the solution of the optimization problem. The model is validated by testing it on a case study based on the IEEE RTS1, for which results are presented and discussed. © 2019 IEEE.

2019

Analyzing the Role of Microgrids to Mitigate the Effects of Forecasting Error of Renewable Distributed Generators

Autores
Lujano Rojas, JM; Dominguez Navarro, JA; Yusta, JM; Osorio, GJ; Santos, SF; Lotfi, M; Catalao, JPS;

Publicação
Proceedings - 2019 IEEE International Conference on Environment and Electrical Engineering and 2019 IEEE Industrial and Commercial Power Systems Europe, EEEIC/I and CPS Europe 2019

Abstract
In this study, the operation of an energy system composed of a battery energy storage system (BESS) and a conventional generator to compensate the forecasting error of renewable power production has been analyzed. A scenario with low forecasting error and another with high forecasting error have been synthetically modeled and incorporated to a computational model of the energy system. The results obtained from a case study suggest that a low forecasting error could be compensated by a single BESS. However, a high forecasting error would require the installation of a controllable power source such as a conventional generator. © 2019 IEEE.

2019

Optimal Operation of Distribution Networks through Clearing Local Day-ahead Energy Market

Autores
Bahramara, S; Sheikhahmadi, P; Lotfi, M; Catalao, JPS; Santos, SF; Shafie khah, M;

Publicação
2019 IEEE Milan PowerTech

Abstract

2019

Quantifying the flexibility by energy storage systems in distribution networks with large-scale variable renewable energy sources

Autores
Cruz, MRM; Fitiwi, DZ; Santos, SF; Catalao, JPS;

Publicação
2019 IEEE Milan PowerTech, PowerTech 2019

Abstract
To counter the intermittent nature of variable Renewable Energy Sources (vRESs), it is necessary to deploy new technologies that increase the flexibility dimension in distribution systems. In this framework, the current work presents an extensive analysis on the level of energy storage systems (ESSs) in order to add flexibility, and handle the intermittent nature of vRS. Moreover, this work provides an operational model to optimally manage a distribution system that encompasses large quantities of vRESs by means of ESSs. The model is of a stochastic mixed integer linear programming (MILP) nature, which uses a linearized AC optimal power flow network model. The standard IEEE 119-bus test system is used as a case study. Generally, numerical results show that ESSs enable a much bigger portion of the final energy consumption to be met by vRES power, generated locally. © 2019 IEEE.

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