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Ana Estanqueiro - IEEE Xplore Author Profile
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Ana Estanqueiro

Also published under: A. Estanqueiro, Ana I. Estanqueiro, A. I. Estanqueiro

Publications
24
Citations
373
Publications by Year
20072024
Co-Authors:
Show All Co-Authors (77)
Image of author Ana Estanqueiro

Ana Estanqueiro

Also published under: A. Estanqueiro, Ana I. Estanqueiro, A. I. Estanqueiro

Affiliation

LNEG−National Laboratory of Energy and Geology
Estrada do Paço do Lumiar
22, 1649-038 Lisbon, Portugal

Publication Topics

Biography

Ana Estanqueiro (M'07) received her degree in Power Eng. from the UTL/IST in 1986 and M.Sc (1991) and PhD (1997) in Mech. Eng. She is a researcher at LNEG (1987) and Invited Prof. at the Univ. of Lisbon. Interests are dynamic models of WPP and operation of power systems with high RES. Pres. PT.IEC/CTE88, del. to IEA.Wind, EERA-Wind, EII-Wind.(Based on document published on 10 November 2012).
Publications
24
Citations
373
Publications by Year
20072024
Co-Authors:
Show All Co-Authors (77)
Author's Published Works

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An optimized probabilistic forecasting approach for hybridized wind power plants

António Couto;Hugo Algarvio;Ana Estanqueiro

8th International Hybrid Power Plants & Systems Workshop (HYB 2024)
Year: 2024 | Conference Paper |
Accurate forecasts are essential for efficiently integrate variable renewable power plants into power systems and electricity markets. Since hybrid power plants are a new area of research, several key challenges need to be addressed. This work presents a probabilistic power forecast approach to hybridised wind power plants with solar power. The forecasting metho dology uses a sequential forward fe...Show More

An optimized probabilistic forecasting approach for hybridized wind power plants

António Couto;Hugo Algarvio;Ana Estanqueiro

Year: 2024 | Volume: 2024 | Conference Paper |

Reduction of the Market Splitting Occurrences: A Dynamic Line Rating Approach for the 2030 Iberian Day-ahead Market Scenarios

Hugo Algarvio;António Couto;Ana Estanqueiro;Rui Carvalho;Gabriel Santos;Ricardo Faia;Pedro Faria;Zita Vale

2024 20th International Conference on the European Energy Market (EEM)
Year: 2024 | Conference Paper |
Typically, Transmission System Operators apply power flow models with Seasonal Line Rating prescriptions to compute the ampacity of power lines, in a process that enables to obtain the cross-border capacity for trading between different countries or market zones. These seasonal-dependent models rely on fixed conservative meteorological conditions throughout the year, underestimating the real-time ...Show More

Reduction of the Market Splitting Occurrences: A Dynamic Line Rating Approach for the 2030 Iberian Day-ahead Market Scenarios

Hugo Algarvio;António Couto;Ana Estanqueiro;Rui Carvalho;Gabriel Santos;Ricardo Faia;Pedro Faria;Zita Vale

Year: 2024 | Conference Paper |

A Double Pricing and Penalties “Separated” Imbalance Settlement Mechanism to Incentive Self Balancing of Market Parties

Hugo Algarvio;António Couto;Ana Estanqueiro

2024 20th International Conference on the European Energy Market (EEM)
Year: 2024 | Conference Paper |
Increasing penetrations of variable renewable energy sources increase the usage and costs of reserves due to their stochastic nature. As Balance Responsible Parties all market participants pay the balancing costs of their imbalances according to the imbalance settlement mechanism of each market zone. The European balancing markets and the imbalance settlement mechanisms still have different rules ...Show More

A Double Pricing and Penalties “Separated” Imbalance Settlement Mechanism to Incentive Self Balancing of Market Parties

Hugo Algarvio;António Couto;Ana Estanqueiro

Year: 2024 | Conference Paper |

A Methodology for Dynamic Procurement of Secondary Reserve Capacity in Power Systems with Significant vRES Penetrations

Hugo Algarvio;António Couto;Ana Estanqueiro

2024 20th International Conference on the European Energy Market (EEM)
Year: 2024 | Conference Paper |
The European pathway to carbon neutrality indicates strong investments in variable renewable energy sources. Demand-side and variable renewable players rely on forecasts to participate in day-ahead markets closing between 12 and 37 hours ahead of real-time operation. As such, the further from the real-time operation those forecasts are provided, the higher their errors and the uncertainty. Deviati...Show More

A Methodology for Dynamic Procurement of Secondary Reserve Capacity in Power Systems with Significant vRES Penetrations

Hugo Algarvio;António Couto;Ana Estanqueiro

Year: 2024 | Conference Paper |

Improving wind power market value with various aspects of diversification

Til Kristian Vrana;Harald G. Svendsen;Magnus Korpås;António Couto;Ana Estanqueiro;Damian Flynn;Hannele Holttinen;Philipp Härtel;Matti Koivisto;Eric Lantz

2023 19th International Conference on the European Energy Market (EEM)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
The wind generation share in many European bidding zones is now large enough to affect the market value of wind power, and wind energy is getting less-than-average market price in day-ahead markets. As alternatives to investing in dedicated energy storage, there are two main ways to mitigate the decreasing market value trend. The first is employing different diversification measures (geographical ...Show More

Improving wind power market value with various aspects of diversification

Til Kristian Vrana;Harald G. Svendsen;Magnus Korpås;António Couto;Ana Estanqueiro;Damian Flynn;Hannele Holttinen;Philipp Härtel;Matti Koivisto;Eric Lantz

Year: 2023 | Conference Paper |

Increase cross-border capacity to reduce market splitting of day-ahead electricity markets - A dynamic line rating approach

Hugo Algarvio;António Couto;Joaquim Duque;Ana Estanqueiro;Rui Pestana;João Esteves;Cao Yang

2022 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
Market splitting occurs when the energy flow between different market zones is higher than the cross-border capacity, separating the markets and bringing economic losses to market participants. The cross-border capacity is computed by Transmission System Operators using a seasonal steady-state line rating (SLR). SLR considers fixed conservative meteorological conditions throughout the year except ...Show More

Increase cross-border capacity to reduce market splitting of day-ahead electricity markets - A dynamic line rating approach

Hugo Algarvio;António Couto;Joaquim Duque;Ana Estanqueiro;Rui Pestana;João Esteves;Cao Yang

Year: 2022 | Conference Paper |

System Impact Studies for Near 100% Renewable Energy Systems Dominated by Inverter Based Variable Generation

Hannele Holttinen;Juha Kiviluoma;Damian Flynn;J. Charles Smith;Antje Orths;Peter Børre Eriksen;Nicolaos Cutululis;Lennart Söder;Magnus Korpås;Ana Estanqueiro;Jason MacDowell;Aidan Tuohy;Til Kristian Vrana;Mark O'Malley

IEEE Transactions on Power Systems
Year: 2022 | Volume: 37, Issue: 4 | Journal Article |
Cited by: Papers (61)
The demand for low carbon energy calls for close to 100% renewable power systems, with decarbonization of other energy sectors adding to the anticipated paradigm shift. Rising levels of variable inverter-based renewable energy sources (VIBRES) are prompting questions about how such systems will be planned and operated when variable renewable generation becomes the dominant technology. Here, we exa...Show More

System Impact Studies for Near 100% Renewable Energy Systems Dominated by Inverter Based Variable Generation

Hannele Holttinen;Juha Kiviluoma;Damian Flynn;J. Charles Smith;Antje Orths;Peter Børre Eriksen;Nicolaos Cutululis;Lennart Söder;Magnus Korpås;Ana Estanqueiro;Jason MacDowell;Aidan Tuohy;Til Kristian Vrana;Mark O'Malley

Year: 2022 | Volume: 37, Issue: 4 | Journal Article |

Decarbonization of Electricity Systems in Europe: Market Design Challenges

Goran Strbac;Dimitrios Papadaskalopoulos;Nikolaos Chrysanthopoulos;Ana Estanqueiro;Hugo Algarvio;Fernando Lopes;Laurens de Vries;Germán Morales-España;Jos Sijm;Ricardo Hernandez-Serna;Juha Kiviluoma;Niina Helisto

IEEE Power and Energy Magazine
Year: 2021 | Volume: 19, Issue: 1 | Magazine Article |
Cited by: Papers (59)
Driven by climate change concerns, Europe has taken significant initiatives toward the decarbonization of its energy system. The European Commission (EC) has set targets for 2030 to achieve at least 40% reduction in greenhouse gas emissions with respect to the 1990 baseline level and cover at least 32% of the total energy consumption in the European Union (EU) through renewable energy sources, pre...Show More

Decarbonization of Electricity Systems in Europe: Market Design Challenges

Goran Strbac;Dimitrios Papadaskalopoulos;Nikolaos Chrysanthopoulos;Ana Estanqueiro;Hugo Algarvio;Fernando Lopes;Laurens de Vries;Germán Morales-España;Jos Sijm;Ricardo Hernandez-Serna;Juha Kiviluoma;Niina Helisto

Year: 2021 | Volume: 19, Issue: 1 | Magazine Article |

Impact of the dynamic line rating analysis in regions with high levels of wind and solar PV generation

António Couto;Joaquim Duque;Hugo Algarvio;Ana Estanqueiro;Rui Pestana;João Esteves;Yang Cao

2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
Power system operators traditionally use a static transmission line rating method to ensure the electric grid operates under a pre-defined limit temperature of the conductors. This method normally assesses the maximal power capacity of each line using conservative constant weather conditions that usually underestimate the real transmission capacity of overhead power lines. Dynamic line rating (DLR...Show More

Impact of the dynamic line rating analysis in regions with high levels of wind and solar PV generation

António Couto;Joaquim Duque;Hugo Algarvio;Ana Estanqueiro;Rui Pestana;João Esteves;Yang Cao

Year: 2020 | Conference Paper |

Optimal Planning of Isolated Power Systems with near 100% of Renewable Energy

Ana Rita Silva;Ana Estanqueiro

IEEE Transactions on Power Systems
Year: 2020 | Volume: 35, Issue: 2 | Journal Article |
Cited by: Papers (18)
The enhancement of economic sustainability and the reduction of GHG emissions in most of the small isolated regions strongly depends on reducing their use of imported fossil fuels. To evaluate the effectiveness of interconnecting small islands in promoting renewable penetration levels increase and cost reductions, this work proposes a multiyear expansion-planning optimization model for the Azores ...Show More

Optimal Planning of Isolated Power Systems with near 100% of Renewable Energy

Ana Rita Silva;Ana Estanqueiro

Year: 2020 | Volume: 35, Issue: 2 | Journal Article |

Agent-Based Simulation of Day-Ahead Energy Markets: Impact of Forecast Uncertainty and Market Closing Time on Energy Prices

Hugo Algarvio;António Couto;Fernando Lopes;Ana Estanqueiro;Hannele Holttinen;João Santana

2016 27th International Workshop on Database and Expert Systems Applications (DEXA)
Year: 2016 | Conference Paper |
Cited by: Papers (9)
This article uses an agent-based system to analyze the potential impact of variable generation on wholesale electricity markets. In particular, it presents a case study to analyse the impact of both wind forecast errors and high levels of wind generation on the outcomes of the day-ahead market. The case study involves six representative days and three simulations (for each day): a base case, where...Show More

Agent-Based Simulation of Day-Ahead Energy Markets: Impact of Forecast Uncertainty and Market Closing Time on Energy Prices

Hugo Algarvio;António Couto;Fernando Lopes;Ana Estanqueiro;Hannele Holttinen;João Santana

Year: 2016 | Conference Paper |

Wind power participation in electricity markets — The role of wind power forecasts

Antônio Couto;Luis Rodrigues;Paulo Costa;João Silva;Ana Estanqueiro

2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC)
Year: 2016 | Conference Paper |
Cited by: Papers (4)
Wind power forecasting is an important tool to better integrate wind power into different electricity market frameworks. In the case of a Portuguese wind producer participating in the day-ahead market, the forecast is based on the initial and boundary conditions (IC) from the meteorological global models at 06:00 UTC in the day before the operation. Consequently, this constitutes a gap of 18 hours...Show More

Wind power participation in electricity markets — The role of wind power forecasts

Antônio Couto;Luis Rodrigues;Paulo Costa;João Silva;Ana Estanqueiro

Year: 2016 | Conference Paper |

Wind power producers in shorter gate closure markets and balancing markets

Hannele Holttinen;Jari J. Miettinen;António Couto;Hugo Algarvio;Luis Rodrigues;Ana Estanqueiro

2016 13th International Conference on the European Energy Market (EEM)
Year: 2016 | Conference Paper |
Cited by: Papers (5)
Wind power is increasingly integrated into power systems through electricity markets. To make the market operation economically possible for wind power producers, the period between bids and delivery (gate closure time) is crucial. Wind power will experience larger forecast errors the longer the gate closure time. This paper presents a case study for wind power producers in Portugal (MIBEL) and Fi...Show More

Wind power producers in shorter gate closure markets and balancing markets

Hannele Holttinen;Jari J. Miettinen;António Couto;Hugo Algarvio;Luis Rodrigues;Ana Estanqueiro

Year: 2016 | Conference Paper |

Impact of Weather Regimes on the Wind Power Ramp Forecast in Portugal

Antnio Couto;Paulo Costa;Lus Rodrigues;Vitor V. Lopes;Ana Estanqueiro

IEEE Transactions on Sustainable Energy
Year: 2015 | Volume: 6, Issue: 3 | Journal Article |
Cited by: Papers (40)
Short-term forecasting and diagnostic tools for severe changes of wind power production (power ramps) may provide reliable information for a secure power system operation at a small cost. Understanding the underlying role of the synoptic weather regimes (WRs) in triggering the wind power ramp events can be an added value to improve and complement the current forecast techniques. This work identifi...Show More

Impact of Weather Regimes on the Wind Power Ramp Forecast in Portugal

Antnio Couto;Paulo Costa;Lus Rodrigues;Vitor V. Lopes;Ana Estanqueiro

Year: 2015 | Volume: 6, Issue: 3 | Journal Article |

Simulation of a-Si PV system linked to the grid by DC-DC boost and two-level converter

L. Fialho;R. Melício;V. M. F. Mendes;L. Rodrigues;S. Viana;A. Estanqueiro

2014 16th International Power Electronics and Motion Control Conference and Exposition
Year: 2014 | Conference Paper |
Cited by: Papers (3)
This paper is about a PV system linked to the electric grid by power electronic converters. The modeling for the converters emulates the association of a DC-DC boost with a two-level power inverter in order to follow the performance of a testing commercial inverter employed on an experimental system. It is used pulse width modulation by sliding mode control associated with space vector modulation ...Show More

Simulation of a-Si PV system linked to the grid by DC-DC boost and two-level converter

L. Fialho;R. Melício;V. M. F. Mendes;L. Rodrigues;S. Viana;A. Estanqueiro

Year: 2014 | Conference Paper |

Energy storage for wind integration: Hydropower and other contributions

Ana Estanqueiro;Atle Rygg Årdal;Ciara O'Dwyer;Damian Flynn;Daniel Huertas-Hernando;Debra Lew;Emilio Gómez-Lázaro;Erik Ela;Javier Revuelta;Juha Kiviluoma;Luis Rodrigues;Mikael Amelin;Hannele Holtinen

2012 IEEE Power and Energy Society General Meeting
Year: 2012 | Conference Paper |
Cited by: Papers (5)
The amount of wind power and other timevariable non-dispatchable renewable energy sources (RES) is rapidly increasing in the world. A few power systems are already facing very high penetrations from variable renewables which can surpass the systems' consumption during no-load periods, requiring the energy excess to be curtailed, exported or stored. The limitations of electric energy storage natura...Show More

Energy storage for wind integration: Hydropower and other contributions

Ana Estanqueiro;Atle Rygg Årdal;Ciara O'Dwyer;Damian Flynn;Daniel Huertas-Hernando;Debra Lew;Emilio Gómez-Lázaro;Erik Ela;Javier Revuelta;Juha Kiviluoma;Luis Rodrigues;Mikael Amelin;Hannele Holtinen

Year: 2012 | Conference Paper |

Experience and Challenges With Short-Term Balancing in European Systems With Large Share of Wind Power

Lennart Soder;Hans Abildgaard;Ana Estanqueiro;Camille Hamon;Hannele Holttinen;Eamonn Lannoye;Emilio Gomez-Lazaro;Mark O'Malley;Uwe Zimmermann

IEEE Transactions on Sustainable Energy
Year: 2012 | Volume: 3, Issue: 4 | Journal Article |
Cited by: Papers (45)
The amount of wind power in the world is quickly increasing. The background for this development is improved technology, decreased costs for the units, and increased concern regarding environmental problems of competing technologies such as fossil fuels. Some areas are starting to experience very high penetration levels of wind and there have been many instances when wind power has exceeded 50% of...Show More

Experience and Challenges With Short-Term Balancing in European Systems With Large Share of Wind Power

Lennart Soder;Hans Abildgaard;Ana Estanqueiro;Camille Hamon;Hannele Holttinen;Eamonn Lannoye;Emilio Gomez-Lazaro;Mark O'Malley;Uwe Zimmermann

Year: 2012 | Volume: 3, Issue: 4 | Journal Article |

On the use of Markov chain models for the analysis of wind power time-series

Vitor V. Lopes;Teresa Scholz;Ana Estanqueiro;Augusto Q. Novais

2012 11th International Conference on Environment and Electrical Engineering
Year: 2012 | Conference Paper |
Cited by: Papers (13)
Wind energy is becoming a top contributor to the renewable energy mix, which raises potential reliability issues for the grid due to the fluctuating and intermittent nature of its source. This paper explores the use of Markov chain models for the analysis of wind power time-series. The proposed Markov chain model is based on a 2yr dataset collected from a wind turbine located in Portugal. The wind...Show More

On the use of Markov chain models for the analysis of wind power time-series

Vitor V. Lopes;Teresa Scholz;Ana Estanqueiro;Augusto Q. Novais

Year: 2012 | Conference Paper |

Integration of renewable sources in the electric system using Virtual Renewable Power Plants

Luis C. Rodrigues;Ana I. Estanqueiro

11th International Conference on Electrical Power Quality and Utilisation
Year: 2011 | Conference Paper |
Cited by: Papers (3)
The concept of “Virtual Renewable Power Plants - VRPP” enables several positive factors for the electric integration of Renewable Energy Sources (RES), namely (a) the smoothing of time based fluctuation of the power delivered by the RES, (b) the use of the natural complementary of renewable resources availability (c) the establishment of synergies between different RES as well as the combination o...Show More

Integration of renewable sources in the electric system using Virtual Renewable Power Plants

Luis C. Rodrigues;Ana I. Estanqueiro

Year: 2011 | Conference Paper |

Currents of change

Hannele Holttinen;Antje G. Orths;Børre Eriksen;Jorge Hidalgo;Ana Estanqueiro;Frank Groome;Yvonne Coughlan;Hendrik Neumann;Bernhard Lange;Frans van Hulle;Ivan Dudurych

IEEE Power and Energy Magazine
Year: 2011 | Volume: 9, Issue: 6 | Magazine Article |
Cited by: Papers (31)
The power systems in Denmark, Portugal, Spain, Ireland, and Germany have some of the highest wind penetrations in the world, as shown in the paper. In this article, the situations of five countries with high wind penetration are briefly presented, with special emphasis given to their future needs with respect to accommodating targeted wind power amounts. The final section provides an overview of o...Show More

Currents of change

Hannele Holttinen;Antje G. Orths;Børre Eriksen;Jorge Hidalgo;Ana Estanqueiro;Frank Groome;Yvonne Coughlan;Hendrik Neumann;Bernhard Lange;Frans van Hulle;Ivan Dudurych

Year: 2011 | Volume: 9, Issue: 6 | Magazine Article |

A methodology for the identification of the sustainable wind potential. The Portuguese case study.

T. Simoes;P. Costa;A. Estanqueiro

2009 IEEE/PES Power Systems Conference and Exposition
Year: 2009 | Conference Paper |
Cited by: Papers (7)
The exponential grow of the wind sector in Portugal required the development of planning tools for the siting of the wind farms, its connection to the existing grid, as well as the assessment of the country's existing wind resource capable of enabling an economic, social and environmental sustainable development. The methodology developed and presented in this paper was initiated a decade ago with...Show More

A methodology for the identification of the sustainable wind potential. The Portuguese case study.

T. Simoes;P. Costa;A. Estanqueiro

Year: 2009 | Conference Paper |

A Dynamic Wind Generation Model for Power Systems Studies

Ana I. Estanqueiro

IEEE Transactions on Power Systems
Year: 2007 | Volume: 22, Issue: 3 | Journal Article |
Cited by: Papers (39)
In this paper, a wind park dynamic model is presented together with a base methodology for its application to power system studies. This detailed wind generation model addresses the wind turbine components and phenomena more relevant to characterize the power quality of a grid connected wind park, as well as the wind park response to the grid fast perturbations, e.g., low voltage ride through faul...Show More

A Dynamic Wind Generation Model for Power Systems Studies

Ana I. Estanqueiro

Year: 2007 | Volume: 22, Issue: 3 | Journal Article |

Barriers (and Solutions...) to Very High Wind Penetration in Power Systems

A. I. Estanqueiro;J.M. Ferreira de Jesus;J. Ricardo;Amarante dos Santos;J. A. Pecas Lopes

2007 IEEE Power Engineering Society General Meeting
Year: 2007 | Conference Paper |
Cited by: Papers (21)
In this paper the existing technical barriers that prevent the accomplishment of a very high wind generation penetration in a power system are presented. Since several countries and regions in Europe are already experiencing such high wind penetration or, as a minimum, planning their grids and operation strategies to cope with wind penetration from a high to a very high level, the solutions alread...Show More

Barriers (and Solutions...) to Very High Wind Penetration in Power Systems

A. I. Estanqueiro;J.M. Ferreira de Jesus;J. Ricardo;Amarante dos Santos;J. A. Pecas Lopes

Year: 2007 | Conference Paper |

Assessment of Power Quality Characteristics of Wind Farms

A. I. Estanqueiro;J. O. Tande;J. A. Pecas Lopes

2007 IEEE Power Engineering Society General Meeting
Year: 2007 | Conference Paper |
Cited by: Papers (5)
In this paper the main parameters to assess the power quality of grid embedded wind farms are presented. International standards to assess and quantify the power quality of grid connected wind turbines exist for some years now, and are here extrapolated to wind farms aggregates when possible being the correspondent methodologies identified in the document. Recently, the grid code requirements pose...Show More

Assessment of Power Quality Characteristics of Wind Farms

A. I. Estanqueiro;J. O. Tande;J. A. Pecas Lopes

Year: 2007 | Conference Paper |

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