A5048970154- Microgrid Control and Optimization
- Islanding Detection in Power Systems
- Smart Grid Energy Management
- Optimal Power Flow Distribution
- Frequency Control in Power Systems
- Energy Load and Power Forecasting
- HVDC Systems and Fault Protection
- Power Systems and Renewable Energy
- Electric Power System Optimization
- Solar Radiation and Photovoltaics
- Statistical and Computational Modeling
- Power System Optimization and Stability
- Forecasting Techniques and Applications
- Meteorological Phenomena and Simulations
INESC TEC
2015-2024
Institute for Systems Engineering and Computers
2019-2023
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento
2017-2021
The large scale integration of inverter-based renewable generation in isolated power systems is posing stability concerns as a result the displacement conventional synchronous machines (SM). In this sense, battery energy storage (BESS) connected to grid through converters operating grid-forming units mandatory order ensure system stability. Therefore, paper aims perform dynamic analysis an regarding installation BESS, where it intended determine minimum required capacity associated converter...
A distinctive characteristic of a Microgrid (MG) system is related to the ability operating autonomously. However, stability relies in storage and generation availability, providing frequency voltage regulation. Considering deployment distributed units Low Voltage network smart metering infrastructures, this paper presents an online tool for promoting effective coordination MG flexible resources order ensure secure autonomous operation maximize time that able operate islanded from main grid....
This paper addresses the provision of frequency control services with multi-terminal HVDC grids interconnecting several asynchronous AC areas and integrating offshore wind farms. Regarding operational performance grid, it is discussed proposed a communication-free regulation scheme that allows these type infrastructures to actively participate in primary inertial emulation capabilities among non-synchronous areas. Additionally, extended such generators can also provide inertia mainland grid....
Reliable and smart information on the flexibility provision of Home Energy Management Systems (HEMS) represents great value for Distribution System Operators Demand/flexibility Aggregators while market agents. However, efficiently delimiting HEMS multi-temporal feasible domain is a complex task. The algorithm proposed in this work able to learn define feasibility search space endowing DSOs aggregators with tool that, reliable time efficient faction, provides them valuable information. That...
The operation of isolated power systems with 100% converter-based generation requires the integration battery energy storage (BESS) using grid-forming-type converters. Under these operating conditions, load dynamics influences network frequency and voltage following large disturbances. In this sense, inclusion induction motor (IM) models is required to be properly considered in BESS converter sizing. Thus, paper presents an extensive sensitivity analysis, demonstrating how modeling affects...
In isolated power systems with very high instantaneous shares of renewables, additional inertia should be used as a complementary resource to battery energy storage (BESSs) for improving frequency stability, which can provided by synchronous condensers (SCs) integrated into the system. Therefore, this paper presents methodology infer system dynamic security, respect key indicators, following critical disturbances. Of particular interest is evidence that multiple short-circuit locations...
This paper presents the solutions on renewable energy forecasting proposed by Horizon2020 Project Smart4RES. The ambition of project is twofold: (1) increase substantially performance short-term models Renewable Energy Sources (RES) production and associated weather (2) optimize decisions subject to RES uncertainty in power systems electricity markets. Developments are based latest advances meteorology original use data science (combination multiple sources, data-driven approaches for...
This article addresses the developments ongoing in SENSIBLE, an H2020 funded project focused on energy storage and management, which demonstration occurs Évora-Portugal, Nottingham, UK Nuremberg, Germany. Currently, presented work focuses necessary to make possible islanding operation low-voltage grids, where new assets like automation protection schemes are guaranty safety reliability of grids. These a result works under one SENSIBLE use cases demonstrations small village Évora district Portugal.