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Catalina Gómez-Quiles - IEEE Xplore Author Profile
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Catalina Gómez-Quiles

Also published under: Catalina Gomez-Quiles, Catalina Gómez Quiles

Publications
19
Citations
574
Publications by Year
20102019
Co-Authors:
Show All Co-Authors (13)
Image of author Catalina Gómez-Quiles

Catalina Gómez-Quiles

Also published under: Catalina Gomez-Quiles, Catalina Gómez Quiles

Affiliation

Department of Electrical Engineering
University of Seville
Seville, Spain

Publication Topics

Biography

Catalina Gómez-Quiles received the degree in electrical engineering from the University of Seville, Spain, in 2006, the M.Eng. degree in electrical engineering from McGill University, Montreal, QC, Canada, in 2008, and the Ph.D. degree from the University of Seville, in 2012. Her research interests include mathematical and computer models for power system analysis and risk assessment in competitive electricity markets.(Based on document published on 20 August 2019).
Publications
19
Citations
574
Publications by Year
20102019
Co-Authors:
Show All Co-Authors (13)
Author's Published Works

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A Novel Ensemble Method for Electric Vehicle Power Consumption Forecasting: Application to the Spanish System

Catalina Gómez-Quiles;Gualberto Asencio-Cortés;Adolfo Gastalver-Rubio;Francisco Martínez-Álvarez;Alicia Troncoso;Joan Manresa;José C. Riquelme;Jesús M. Riquelme-Santos

IEEE Access
Year: 2019 | Volume: 7 | Journal Article |
Cited by: Papers (26)
The use of electric vehicle across the world has become one of the most challenging issues for environmental policies. The galloping climate change and the expected running out of fossil fuels turns the use of such non-polluting cars into a priority for most developed countries. However, such a use has led to major concerns to power companies, since they must adapt their generation to a new scenar...Show More

A Novel Ensemble Method for Electric Vehicle Power Consumption Forecasting: Application to the Spanish System

Catalina Gómez-Quiles;Gualberto Asencio-Cortés;Adolfo Gastalver-Rubio;Francisco Martínez-Álvarez;Alicia Troncoso;Joan Manresa;José C. Riquelme;Jesús M. Riquelme-Santos

Year: 2019 | Volume: 7 | Journal Article |

Fast Determination of Saddle-Node Bifurcations via Parabolic Approximations in the Infeasible Region

Catalina Gómez-Quiles;Antonio Gómez-Expósito

IEEE Transactions on Power Systems
Year: 2017 | Volume: 32, Issue: 5 | Journal Article |
Cited by: Papers (7)
This letter presents a simple methodology to quickly obtain the saddle-node bifurcation points of power systems by first solving a sequence of power flows that ends in the infeasible region and then performing a parabolic adjustment with the results of two infeasible cases. The proposed method exploits the ability of the factored load flow procedure to converge to complex solutions well beyond the...Show More

Fast Determination of Saddle-Node Bifurcations via Parabolic Approximations in the Infeasible Region

Catalina Gómez-Quiles;Antonio Gómez-Expósito

Year: 2017 | Volume: 32, Issue: 5 | Journal Article |

Computation of Maximum Loading Points via the Factored Load Flow

Catalina Gómez-Quiles;Antonio Gómez-Expósito;Walter Vargas

IEEE Transactions on Power Systems
Year: 2016 | Volume: 31, Issue: 5 | Journal Article |
Cited by: Papers (21)
This paper presents a fast and straightforward algorithm to obtain the maximum loading points of power systems by simply performing bisection searches between feasible and infeasible load flow cases. The proposed method exploits the ability and robustness of the factored load flow solution procedure to converge to complex solutions well beyond the maximum loadability points. Test cases on a divers...Show More

Computation of Maximum Loading Points via the Factored Load Flow

Catalina Gómez-Quiles;Antonio Gómez-Expósito;Walter Vargas

Year: 2016 | Volume: 31, Issue: 5 | Journal Article |

State estimation in two time scales for smart distribution systems

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Izudin Džafic

2015 IEEE Power & Energy Society General Meeting
Year: 2015 | Conference Paper |
Cited by: Papers (1) | Patents (1)
The monitoring of distribution systems relies on a critical set of pseudomeasurements and a varying but low number of redundant measurements. In the light of the different refreshing rates of both types of information, this paper considers a state estimation model structured in two time scales. Possibilities and limitations of the proposed model are discussed, and illustrated on a real distributio...Show More

State estimation in two time scales for smart distribution systems

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Izudin Džafic

Year: 2015 | Conference Paper |

State Estimation in Two Time Scales for Smart Distribution Systems

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Izudin Džafić

IEEE Transactions on Smart Grid
Year: 2015 | Volume: 6, Issue: 1 | Journal Article |
Cited by: Papers (83)
The monitoring of distribution systems relies on a critical set of pseudomeasurements and a varying but low number of redundant measurements. In the light of the different refreshing rates of both types of information, this paper considers a state estimation model structured in two time scales. Possibilities and limitations of the proposed model are discussed, and illustrated on a real distributio...Show More

State Estimation in Two Time Scales for Smart Distribution Systems

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Izudin Džafić

Year: 2015 | Volume: 6, Issue: 1 | Journal Article |

Factored solution of infeasible load flow cases

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Walter Vargas

2014 Power Systems Computation Conference
Year: 2014 | Conference Paper |
Cited by: Papers (3)
This paper exploits the robustness of the recently-introduced factored load flow solution scheme around and beyond the maximum loadability point. First, it is shown that, starting from the customary flat start, the factored frequently converges to complex solutions when the scenario being solved is infeasible in the real domain. Then, complex starting points are proposed significantly improving th...Show More

Factored solution of infeasible load flow cases

Antonio Gómez-Expósito;Catalina Gómez-Quiles;Walter Vargas

Year: 2014 | Conference Paper |

Equality-constrained bilinear state estimation

Catalina Gomez-Quiles;Hugo A. Gil;Antonio de la Villa Jaen;Antonio Gomez-Exposito

2013 IEEE Power & Energy Society General Meeting
Year: 2013 | Conference Paper |
Cited by: Papers (1)
Summary form only given. This paper generalizes the recently introduced bilinear formulation of the WLS state estimation problem to those cases in which equality constraints must be explicitly considered. This leads to augmented equation systems in which both state variables and Lagrange multipliers get updated throughout the three stages arising in the bilinear approach (two linear filters with a...Show More

Equality-constrained bilinear state estimation

Catalina Gomez-Quiles;Hugo A. Gil;Antonio de la Villa Jaen;Antonio Gomez-Exposito

Year: 2013 | Conference Paper |

The value of wind resource geographic diversity for wind farm profitability

Catalina Gomez-Quiles;Hugo A. Gil

2013 IEEE Power & Energy Society General Meeting
Year: 2013 | Conference Paper |
Portfolio analysis theory and an econometric wind farm revenue estimation model under limited information are combined for the quantification of the value of the geographic diversity of the wind resource in the profitability of diversified wind farm investments. Investment decisions are driven by a compromise between risk and return. The proposed model draws on actual data to estimate the extent u...Show More

The value of wind resource geographic diversity for wind farm profitability

Catalina Gomez-Quiles;Hugo A. Gil

Year: 2013 | Conference Paper |

State estimation for smart distribution substations

Catalina Gomez-Quiles;Antonio Gomez-Exposito;Antonio de la Villa Jaen

2013 IEEE Power & Energy Society General Meeting
Year: 2013 | Conference Paper |
Summary form only given. In the upcoming smart grid environment many more measurements will be available, which can be locally processed by the so-called substation state estimator (SSE). Distribution substations serve energy to a large set of feeders, each one delivering power to a certain number of secondary transformers. In this context, the SSE may have to deal with a huge network model, compr...Show More

State estimation for smart distribution substations

Catalina Gomez-Quiles;Antonio Gomez-Exposito;Antonio de la Villa Jaen

Year: 2013 | Conference Paper |

Factorized Load Flow

Antonio Gómez-Expósito;Catalina Gómez-Quiles

IEEE Transactions on Power Systems
Year: 2013 | Volume: 28, Issue: 4 | Journal Article |
Cited by: Papers (24)
This paper extends to the load flow problem the factorized solution methodology recently developed for equality-constrained state estimation. This is done by considering a redundant set of initial conditions in order to transform the undetermined system arising in the first linear stage into an overdetermined one. The second nonlinear stage proceeds exactly like in the state estimation case. Exper...Show More

Factorized Load Flow

Antonio Gómez-Expósito;Catalina Gómez-Quiles

Year: 2013 | Volume: 28, Issue: 4 | Journal Article |

Equality-constrained bilinear state estimation

Catalina Gómez-Quiles;Hugo A. Gil;Antonio de la Villa Jaén;Antonio Gómez-Expósito

IEEE Transactions on Power Systems
Year: 2013 | Volume: 28, Issue: 2 | Journal Article |
Cited by: Papers (22)
This paper generalizes the recently introduced bilinear formulation of the weighted least squares (WLS) state estimation problem to those cases in which equality constraints must be explicitly considered. This leads to augmented equation systems in which both state variables and Lagrange multipliers get updated throughout the three stages arising in the bilinear approach (two linear filters with a...Show More

Equality-constrained bilinear state estimation

Catalina Gómez-Quiles;Hugo A. Gil;Antonio de la Villa Jaén;Antonio Gómez-Expósito

Year: 2013 | Volume: 28, Issue: 2 | Journal Article |

The Value of Wind Resource Geographic Diversity for Wind Farm Profitability

Catalina Gomez-Quiles;Hugo A. Gil

IEEE Transactions on Power Systems
Year: 2012 | Volume: 27, Issue: 4 | Journal Article |
Cited by: Papers (6)
Portfolio analysis theory and an econometric wind farm revenue estimation model under limited information are combined for the quantification of the value of the geographic diversity of the wind resource in the profitability of diversified wind farm investments. Investment decisions are driven by a compromise between risk and return. The proposed model draws on actual data to estimate the extent u...Show More

The Value of Wind Resource Geographic Diversity for Wind Farm Profitability

Catalina Gomez-Quiles;Hugo A. Gil

Year: 2012 | Volume: 27, Issue: 4 | Journal Article |

State Estimation for Smart Distribution Substations

Catalina Gomez-Quiles;Antonio Gomez-Exposito;Antonio de la Villa Jaen

IEEE Transactions on Smart Grid
Year: 2012 | Volume: 3, Issue: 2 | Journal Article |
In the upcoming smart grid environment many more measurements will be available, which can be locally processed by the so-called substation state estimator (SSE). Distribution substations serve energy to a large set of feeders, each one delivering power to a certain number of secondary transformers. In this context, the SSE may have to deal with a huge network model, comprising several hundred or ...Show More

State Estimation for Smart Distribution Substations

Catalina Gomez-Quiles;Antonio Gomez-Exposito;Antonio de la Villa Jaen

Year: 2012 | Volume: 3, Issue: 2 | Journal Article |

Bilinear Power System State Estimation

Antonio Gomez-Exposito;Catalina Gomez-Quiles;Antonio de la Villa Jaen

IEEE Transactions on Power Systems
Year: 2012 | Volume: 27, Issue: 1 | Journal Article |
Cited by: Papers (53)
This paper presents a three-stage state estimation methodology based on the sequential solution of two weighted least squares (WLS) linear problems with a nonlinear explicit transformation in between. This requires that appropriate sets of auxiliary variables be introduced so that the resulting measurement models become linear. Simulation results show that the proposed approach yields, in a non-it...Show More

Bilinear Power System State Estimation

Antonio Gomez-Exposito;Catalina Gomez-Quiles;Antonio de la Villa Jaen

Year: 2012 | Volume: 27, Issue: 1 | Journal Article |

Inference of electricity price depletion by wind power in Spain

Catalina Gómez-Quiles;Hugo A. Gil

2011 IEEE Power and Energy Society General Meeting
Year: 2011 | Conference Paper |
Cited by: Papers (3)
Wind power is usually given priority in electricity markets by assigning a zero price to its expected output during the settlement process. The more wind power is to be incorporated into the market, the less number of conventional units of output will be required to supply the demand, resulting in an expected drop in electricity prices. Lower electricity prices are good in the long-term for all en...Show More

Inference of electricity price depletion by wind power in Spain

Catalina Gómez-Quiles;Hugo A. Gil

Year: 2011 | Conference Paper |

Price and Resource-Related Uncertainty in the Estimation of the Revenue of a Wind Farm

Catalina Gomez-Quiles;Hugo A. Gil

IEEE Transactions on Power Systems
Year: 2011 | Volume: 26, Issue: 4 | Journal Article |
Cited by: Papers (10)
The revenue that wind farms produce is subject to the inherent uncertainty of the wind resource in the short-run and the long-term. This revenue is subject to an additional price-related uncertainty in jurisdictions where the output of the wind farms is paid at the prices cleared at the local electricity market. An econometric model is developed to estimate the risks of using limited information i...Show More

Price and Resource-Related Uncertainty in the Estimation of the Revenue of a Wind Farm

Catalina Gomez-Quiles;Hugo A. Gil

Year: 2011 | Volume: 26, Issue: 4 | Journal Article |

A Multilevel State Estimation Paradigm for Smart Grids

Antonio Gomez-Exposito;Ali Abur;Antonio de la Villa Jaen;Catalina Gomez-Quiles

Proceedings of the IEEE
Year: 2011 | Volume: 99, Issue: 6 | Journal Article |
The main objective of this paper is to describe a multilevel framework that facilitates seamless integration of existing state estimators (SEs) that are designed to function at different levels of modeling hierarchy in order to accomplish very large-scale monitoring of interconnected power systems. This has been a major challenge for decades as power systems grew pretty much independently in diffe...Show More

A Multilevel State Estimation Paradigm for Smart Grids

Antonio Gomez-Exposito;Ali Abur;Antonio de la Villa Jaen;Catalina Gomez-Quiles

Year: 2011 | Volume: 99, Issue: 6 | Journal Article |

A Factorized Approach to WLS State Estimation

Catalina Gomez-Quiles;Antonio de la Villa Jaen;Antonio Gomez-Exposito

IEEE Transactions on Power Systems
Year: 2011 | Volume: 26, Issue: 3 | Journal Article |
Cited by: Papers (38)
This paper presents a factorized state estimation methodology based on the solution of two successive WLS problems. In the proposed scheme, a minimal set of intermediate variables is first introduced so that the resulting measurement model is linear. Estimates of those variables are then used as pseudo-measurements of a subsequent nonlinear estimator, along with the associated covariance matrix. T...Show More

A Factorized Approach to WLS State Estimation

Catalina Gomez-Quiles;Antonio de la Villa Jaen;Antonio Gomez-Exposito

Year: 2011 | Volume: 26, Issue: 3 | Journal Article |

Regression-based estimation of the electricity market price demand-dependent volatility

Catalina Gómez Quiles;Hugo A. Gil

2010 IEEE 11th International Conference on Probabilistic Methods Applied to Power Systems
Year: 2010 | Conference Paper |
Cited by: Papers (4)
The process of price formation in an electricity market is an extremely complex one in practice due to different endogenous factors, namely generator gaming, unexpected out-ages and transmission congestion, among others. As a result, the market clearing prices are of stochastic nature, bringing about uncertainty and risk to all participants. In this work, the role of the demand as determining fact...Show More

Regression-based estimation of the electricity market price demand-dependent volatility

Catalina Gómez Quiles;Hugo A. Gil

Year: 2010 | Conference Paper |

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