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Dr. Antonio Vigueras-Rodríguez
Universidad Politécnica de Cartagena - Technical University of Cartagena

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0 Fluid Mechanics
0 Renewable Energy
0 Wind Power
0 hydraulic engineering
0 Urban Water Systems

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Preprint content
Published: 06 April 2021
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This paper describes a comprehensive and unique open-access data set for research within hydrological and hydraulic modelling of urban drainage systems. The data comes from a mainly combined urban drainage system covering a 1.7 km2 area in the town of Bellinge, a suburb to the city of Odense, Denmark. The data set consists of up to 10 years of observations (2010–2020) from 13 level meters, one flow meter, one position-sensor and four power sensors in the system, along with rainfall data from three rain gauges and two weather radars (X- and C-band), and meteorological data from a nearby weather station. The system characteristics of the urban drainage system (information about manholes, pipes etc.) can be found in the data set along with characteristics of the surface area (contour lines etc.). Two detailed hydrodynamic, distributed urban drainage models of the system are provided in the software systems Mike Urban and EPA SWMM. The two simulation models generally show similar responses, but systematic differences are present since the models have not been calibrated. With this data set we provide a useful case that enables independent testing and replication of results from future scientific developments and innovation within urban hydrology and urban drainage system research. The data set can be downloaded from https://doi.org/10.11583/DTU.c.5029124, (Pedersen et al., 2021a).

ACS Style

Agnethe Nedergaard Pedersen; Jonas Wied Pedersen; Antonio Vigueras-Rodriguez; Annette Brink-Kjær; Morten Borup; Peter Steen Mikkelsen. The Bellinge data set: open data and models for community-wide urban drainage systems research. 2021, 2021, 1 -28.

AMA Style

Agnethe Nedergaard Pedersen, Jonas Wied Pedersen, Antonio Vigueras-Rodriguez, Annette Brink-Kjær, Morten Borup, Peter Steen Mikkelsen. The Bellinge data set: open data and models for community-wide urban drainage systems research. . 2021; 2021 ():1-28.

Chicago/Turabian Style

Agnethe Nedergaard Pedersen; Jonas Wied Pedersen; Antonio Vigueras-Rodriguez; Annette Brink-Kjær; Morten Borup; Peter Steen Mikkelsen. 2021. "The Bellinge data set: open data and models for community-wide urban drainage systems research." 2021, no. : 1-28.

Journal article
Published: 24 February 2021 in Sustainability
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This paper proposes a practical approach to assess wind energy resource and calculate annual energy production for use on university courses in engineering. To this end, two practical exercises were designed in the open-source software GNU Octave (compatible with MATLAB) using both synthetic and field data. The script used to generate the synthetic data as well as those created to develop the practical exercises are included for the benefit of other educational bodies. With the first exercise the students learn how to characterize the wind resource at the wind turbine hub height and adjust it to the Weibull distribution. Two examples are included in this exercise: one with an appropriate fit and another where the Weibull distribution does not fit properly to the generated data. Furthermore, in this exercise, field data (gathered with a LiDAR remote sensing device) is also used to calculate shear exponents for a proper characterisation of the wind profile. The second exercise consists of the calculation of the annual energy production of a wind power plant, where the students can assess the influence of different factors (wind speed, rotor diameter, rated power, etc.) in the project. The exercises proposed can easily be implemented through either in-class or online teaching modes.

ACS Style

Estefania Artigao; Antonio Vigueras-Rodríguez; Andrés Honrubia-Escribano; Sergio Martín-Martínez; Emilio Gómez-Lázaro. Wind Resource and Wind Power Generation Assessment for Education in Engineering. Sustainability 2021, 13, 2444 .

AMA Style

Estefania Artigao, Antonio Vigueras-Rodríguez, Andrés Honrubia-Escribano, Sergio Martín-Martínez, Emilio Gómez-Lázaro. Wind Resource and Wind Power Generation Assessment for Education in Engineering. Sustainability. 2021; 13 (5):2444.

Chicago/Turabian Style

Estefania Artigao; Antonio Vigueras-Rodríguez; Andrés Honrubia-Escribano; Sergio Martín-Martínez; Emilio Gómez-Lázaro. 2021. "Wind Resource and Wind Power Generation Assessment for Education in Engineering." Sustainability 13, no. 5: 2444.

Journal article
Published: 16 September 2020 in Sustainability
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Hydrogen sulfide (H2S) generated in sewer networks induces corrosion which today constitutes the main cause of deterioration of concrete pipes. Information regarding the H2S concentration inside sewer networks, as well as its control and reduction, has become one of the most important concerns in sanitation systems management nowadays. Modeling sulfide dynamics is the key to understanding corrosion processes. A dynamic model (called EMU-SANETSUL) was developed to calculate the H2S concentration in both the water and the gas phases of the main sewers of the city of Murcia (Spain). The model was calibrated with data from field measurements taken from both the gas phase and wastewater. Samples were taken in the network from 2016 to 2019. The model achieved an accuracy index and error index in the ranges of 57% and 15%, respectively. Empirical equations of reaction are used, and calibration parameters are detailed. The code uses an explicit discretization technique, named the Discrete Volume Element Method (DVEM). A map with the annual average concentration of H2S at the gas phase inside each pipe of the simulated network is presented. Values are compared with the mechanical deterioration inventory from closed-circuit television (CCTV) inspections performed by the Municipal Sanitation Company of the city of Murcia (EMUASA). Mechanical deterioration of pipes has diverse causes, including corrosion of pipes by H2S. Sections with high H2S concentrations that match with mechanical wear can be considered susceptible to being prioritized when rehabilitation works are being planned. Therefore, H2S concentration modeling provides valuable information for asset management of the sewer network.

ACS Style

Juan García; Juan García-Guerrero; José Carrillo; Álvaro Sordo-Ward; Luis Altarejos-García; Pedro Martínez-Solano; Francisco-Javier Pérez De La Cruz; Antonio Vigueras-Rodriguez; Luis Castillo. Sanitation Network Sulfide Modeling as a Tool for Asset Management. The Case of the City of Murcia (Spain). Sustainability 2020, 12, 7643 .

AMA Style

Juan García, Juan García-Guerrero, José Carrillo, Álvaro Sordo-Ward, Luis Altarejos-García, Pedro Martínez-Solano, Francisco-Javier Pérez De La Cruz, Antonio Vigueras-Rodriguez, Luis Castillo. Sanitation Network Sulfide Modeling as a Tool for Asset Management. The Case of the City of Murcia (Spain). Sustainability. 2020; 12 (18):7643.

Chicago/Turabian Style

Juan García; Juan García-Guerrero; José Carrillo; Álvaro Sordo-Ward; Luis Altarejos-García; Pedro Martínez-Solano; Francisco-Javier Pérez De La Cruz; Antonio Vigueras-Rodriguez; Luis Castillo. 2020. "Sanitation Network Sulfide Modeling as a Tool for Asset Management. The Case of the City of Murcia (Spain)." Sustainability 12, no. 18: 7643.

Journal article
Published: 11 April 2020 in International Journal of Electrical Power & Energy Systems
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The relevant integration of wind power into the grid has involved a remarkable impact on power system operation, mainly in terms of security and reliability due to the inherent loss of the rotational inertia as a consequence of such new generation units decoupled from the grid. In these weak scenarios, the contribution of wind turbines to frequency control is considered as a suitable solution to improve system stability. With regard to frequency response analysis and grid stability, most contributions introduce wind control discuss generation tripping for isolated power systems under arbitrary power imbalance conditions. Frequency response is then analyzed for hypothetical imbalances usually ranged between 5% and 20%, and assuming averaged energy schedule scenarios. In this paper, a more realistic framework is proposed to evaluate frequency deviations by including high wind power integration. With this aim, unit commitment schemes and frequency load shedding are considered in this work for frequency response analysis under high wind power penetration. The Gran Canaria Island’s isolated power system (Spain) is used for evaluation purposes. Results provide a variety of influences from wind frequency control depending not only on the wind power integration, but also the generation units under operation, the rotational inertia reductions as well as the available reserves from each resource, aspects that have not been addressed previously in the specific literature to evaluate frequency excursions under high wind power integration.

ACS Style

Ana Fernández-Guillamón; José Ignacio Sarasúa; Manuel Chazarra; Antonio Vigueras-Rodríguez; Daniel Fernández Muñoz; Ángel Molina-García. Frequency control analysis based on unit commitment schemes with high wind power integration: A Spanish isolated power system case study. International Journal of Electrical Power & Energy Systems 2020, 121, 106044 .

AMA Style

Ana Fernández-Guillamón, José Ignacio Sarasúa, Manuel Chazarra, Antonio Vigueras-Rodríguez, Daniel Fernández Muñoz, Ángel Molina-García. Frequency control analysis based on unit commitment schemes with high wind power integration: A Spanish isolated power system case study. International Journal of Electrical Power & Energy Systems. 2020; 121 ():106044.

Chicago/Turabian Style

Ana Fernández-Guillamón; José Ignacio Sarasúa; Manuel Chazarra; Antonio Vigueras-Rodríguez; Daniel Fernández Muñoz; Ángel Molina-García. 2020. "Frequency control analysis based on unit commitment schemes with high wind power integration: A Spanish isolated power system case study." International Journal of Electrical Power & Energy Systems 121, no. : 106044.

Research article
Published: 23 October 2019 in IET Renewable Power Generation
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Nowadays, power system inertia is changing as a consequence of replacing conventional units by renewable energy sources, mainly wind and photovoltaic power plants. This fact affects significantly the grid frequency response under power imbalances. As a result, new frequency control strategies for renewable plants are being developed to emulate the behaviour of conventional power plants under such contingencies. These approaches are usually called ‘virtual inertia emulation techniques’. In this study, an analysis of power system inertia estimation from frequency excursions is carried out by considering different inertia estimation methodologies, discussing the applicability and coherence of these methodologies under the new supply-side circumstances. The modelled power system involves conventional units and wind power plants including wind frequency control strategies in line with current mix generation scenarios. Results show that all methodologies considered provide an accurate result to estimate the equivalent inertia based on rotational generation units directly connected to the grid. However, significant discrepancies are found when frequency control strategies are included in wind power plants decoupled from the grid. In this way, authors consider that it is necessary to define alternative inertia estimation methodologies by including virtual inertia emulation. Extensive discussion and results are also provided in this study.

ACS Style

Ana Fernández‐Guillamón; Antonio Vigueras‐Rodríguez; Ángel Molina‐García. Analysis of power system inertia estimation in high wind power plant integration scenarios. IET Renewable Power Generation 2019, 13, 2807 -2816.

AMA Style

Ana Fernández‐Guillamón, Antonio Vigueras‐Rodríguez, Ángel Molina‐García. Analysis of power system inertia estimation in high wind power plant integration scenarios. IET Renewable Power Generation. 2019; 13 (15):2807-2816.

Chicago/Turabian Style

Ana Fernández‐Guillamón; Antonio Vigueras‐Rodríguez; Ángel Molina‐García. 2019. "Analysis of power system inertia estimation in high wind power plant integration scenarios." IET Renewable Power Generation 13, no. 15: 2807-2816.

Conference paper
Published: 01 July 2019 in 2019 International Conference on Clean Electrical Power (ICCEP)
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In most of power systems, inertia has been usually estimated by considering only the rotating masses directly connected to the grid. However, the relevant integration of renewable energy sources into power systems, mainly wind and PV power plants decoupled from the grid by electronic converters, is decreasing the grid inertia and then affecting considerably both grid stability and reliability analysis. An alternative supply-side framework can be thus identified, where traditional generation is replaced by renewable energy sources. As an example of this integration process, renewables overtake coal and nuclear in EU for the first time during 2017. Under this new framework with a lack of rotating masses directly connected to the grid, terms such as ‘Hidden inertia’, ‘Synthetic inertia’ or ‘Virtual inertia’ are currently under discussion. Moreover, alternative spinning reserves must be also considered and included in power sytems to maintain power system reliability and stability. A detailed analysis to estimate the effect of low inertia parameter for frequency control purposes is discussed in this paper. Different scenarios are simulated and analysed, taking into account high wind energy integration, demand variations and frequency oscillations.

ACS Style

A. Femandez-Guillamon; A. Molina-Garcia; Antonio Vigueras-Rodriguez; E. Gomez-Lazaro. Frequency Response and Inertia Analysis in Power Systems with High Wind Energy Integration. 2019 International Conference on Clean Electrical Power (ICCEP) 2019, 388 -393.

AMA Style

A. Femandez-Guillamon, A. Molina-Garcia, Antonio Vigueras-Rodriguez, E. Gomez-Lazaro. Frequency Response and Inertia Analysis in Power Systems with High Wind Energy Integration. 2019 International Conference on Clean Electrical Power (ICCEP). 2019; ():388-393.

Chicago/Turabian Style

A. Femandez-Guillamon; A. Molina-Garcia; Antonio Vigueras-Rodriguez; E. Gomez-Lazaro. 2019. "Frequency Response and Inertia Analysis in Power Systems with High Wind Energy Integration." 2019 International Conference on Clean Electrical Power (ICCEP) , no. : 388-393.

Journal article
Published: 16 October 2018 in Energies
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The integration of renewables into power systems involves significant targets and new scenarios with an important role for these alternative resources, mainly wind and PV power plants. Among the different objectives, frequency control strategies and new reserve analysis are currently considered as a major concern in power system stability and reliability studies. This paper aims to provide an analysis of multi-area power systems submitted to power imbalances, considering a high wind power penetration in line with certain European energy road-maps. Frequency control strategies applied to wind power plants from different areas are studied and compared for simulation purposes, including conventional generation units. Different parameters, such as nadir values, stabilization time intervals and tie-line active power exchanges are also analyzed. Detailed generation unit models are included in the paper. The results provide relevant information on the influence of multi-area scenarios on the global frequency response, including participation of wind power plants in system frequency control.

ACS Style

Ana Fernández-Guillamón; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Ángel Molina-García. Fast Power Reserve Emulation Strategy for VSWT Supporting Frequency Control in Multi-Area Power Systems. Energies 2018, 11, 2775 .

AMA Style

Ana Fernández-Guillamón, Antonio Vigueras-Rodríguez, Emilio Gómez-Lázaro, Ángel Molina-García. Fast Power Reserve Emulation Strategy for VSWT Supporting Frequency Control in Multi-Area Power Systems. Energies. 2018; 11 (10):2775.

Chicago/Turabian Style

Ana Fernández-Guillamón; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Ángel Molina-García. 2018. "Fast Power Reserve Emulation Strategy for VSWT Supporting Frequency Control in Multi-Area Power Systems." Energies 11, no. 10: 2775.

Journal article
Published: 26 July 2018 in Sustainability
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A generalized methodology applicable to any urban sub-catchment to calculate the pollution curve due to combined sewer overflows would help to implement integrated management policies to reduce urban impacts on the environment. An existing methodology to predict the pollutographs associated to rainfall events is tested in five different sub-catchments with very different pluviometry. Ninety-three rainfall events have been considered by measuring the in-sewer turbidity along the runoff episodes. Such data is then evaluated to obtain two prediction indices: the time to peak of pollutograph ITPP, and the maximum turbidity concentration ICMAX. These indices may be used with linear regressions to calculate the characteristics of pollutographs, such as the time to the peak, TPP, the maximum concentration of turbidity, CMAXtb, and the time to descent, TDP. These parameters allow to estimate the pollutographs of a sub-catchment. The comparison between pollutographs measured in the Ensanche sub-catchment and those calculated with the methodology shows a good agreement in terms of the root mean square deviation between samples and estimated values with the model proposed. Hence, the methodology could be a key way to find synthetic pollutographs for any sub-catchment.

ACS Style

Juan T. García; Pablo Espín-Leal; Antonio Vigueras-Rodríguez; José M. Carrillo; Luis G. Castillo. Synthetic Pollutograph by Prediction Indices: An Evaluation in Several Urban Sub-Catchments. Sustainability 2018, 10, 2634 .

AMA Style

Juan T. García, Pablo Espín-Leal, Antonio Vigueras-Rodríguez, José M. Carrillo, Luis G. Castillo. Synthetic Pollutograph by Prediction Indices: An Evaluation in Several Urban Sub-Catchments. Sustainability. 2018; 10 (8):2634.

Chicago/Turabian Style

Juan T. García; Pablo Espín-Leal; Antonio Vigueras-Rodríguez; José M. Carrillo; Luis G. Castillo. 2018. "Synthetic Pollutograph by Prediction Indices: An Evaluation in Several Urban Sub-Catchments." Sustainability 10, no. 8: 2634.

Journal article
Published: 04 June 2018 in Energies
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This paper presents a new frequency controller for variable speed wind turbines connected to the grid under power imbalance conditions. It is based on the fast power reserve emulation technique, having two different operation modes: overproduction and recovery mode. In the first mode, the active power provided by wind turbines is set over the mechanical power, reducing their rotational speed. This overproduction power is estimated according to the frequency excursion. In the second mode, the active power is established under the mechanical power to recover the initial rotational speed through a smooth trajectory. The power system considered for simulation purposes includes thermal, hydro-power and wind-power plants. The controller proposed has been evaluated under different mix-generation scenarios implemented in Matlab/Simulink. Extensive results and comparison to previous proposals are also included in the paper.

ACS Style

Ana Fernández-Guillamón; Jorge Villena-Lapaz; Antonio Vigueras-Rodriguez; Tania Garcia-Sanchez; Angel Molina-García. An Adaptive Frequency Strategy for Variable Speed Wind Turbines: Application to High Wind Integration Into Power Systems. Energies 2018, 11, 1436 .

AMA Style

Ana Fernández-Guillamón, Jorge Villena-Lapaz, Antonio Vigueras-Rodriguez, Tania Garcia-Sanchez, Angel Molina-García. An Adaptive Frequency Strategy for Variable Speed Wind Turbines: Application to High Wind Integration Into Power Systems. Energies. 2018; 11 (6):1436.

Chicago/Turabian Style

Ana Fernández-Guillamón; Jorge Villena-Lapaz; Antonio Vigueras-Rodriguez; Tania Garcia-Sanchez; Angel Molina-García. 2018. "An Adaptive Frequency Strategy for Variable Speed Wind Turbines: Application to High Wind Integration Into Power Systems." Energies 11, no. 6: 1436.

Journal article
Published: 26 April 2017 in Water
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Storm water overflows have an important impact on the environment in many European countries. Nowadays, a better knowledge of combined sewer overflows (CSOs) pollution is required for implementing measures to reduce these emissions. In this work, pollution flows mobilized during rainy events have been monitored and modeled in two urban catchments located in the city of Murcia (southeast Spain). For each analyzed event, rainfall volume, in-sewer turbidity and water flow depth have been continuously measured. Therefore, sets of pollutographs and hydrographs have been obtained for each event analyzed. Characteristic variables have been defined and obtained for each event such as the maximum concentration of turbidity, the total event rainfall, the previous dry weather period, the time to the peak of the hydrograph and to the peak of the pollutograph, among others. Relations between variables have been adjusted through a statistical model. The adjusted parameters are used to generate pollutographs that are compared with those measured in field. The present work provides tools to assist in the knowledge of pollution transported through sewer network during stormy events, suggesting the creation of design pollutographs which may facilitate the evaluation of measures to reduce urban runoff pollution.

ACS Style

Juan Tomás García; Pablo Espín-Leal; Antonio Vigueras-Rodriguez; Luis G. Castillo; José M. Carrillo; Pedro D. Martínez-Solano; Simón Nevado-Santos. Urban Runoff Characteristics in Combined Sewer Overflows (CSOs): Analysis of Storm Events in Southeastern Spain. Water 2017, 9, 303 .

AMA Style

Juan Tomás García, Pablo Espín-Leal, Antonio Vigueras-Rodriguez, Luis G. Castillo, José M. Carrillo, Pedro D. Martínez-Solano, Simón Nevado-Santos. Urban Runoff Characteristics in Combined Sewer Overflows (CSOs): Analysis of Storm Events in Southeastern Spain. Water. 2017; 9 (5):303.

Chicago/Turabian Style

Juan Tomás García; Pablo Espín-Leal; Antonio Vigueras-Rodriguez; Luis G. Castillo; José M. Carrillo; Pedro D. Martínez-Solano; Simón Nevado-Santos. 2017. "Urban Runoff Characteristics in Combined Sewer Overflows (CSOs): Analysis of Storm Events in Southeastern Spain." Water 9, no. 5: 303.

Journal article
Published: 08 March 2017 in Sustainability
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Chemical and biological processes consume dissolved oxygen (DO) in urban wastewater during transportation along sewer systems. Anaerobic conditions (DO < 0.2 mg/L) are easily reached, leading to sulfide (S2−) generation. Release of free sulfide, hydrogen sulfide gas (H2S), from the liquid to the gaseous phase, causes odor, corrosion of pipes and supposes a risk for health of people working in sewers. These issues get worse in force mains, due to inability to take oxygen from the gaseous phase of pipe. Air injection is a suggested practice to control H2S emission in force mains. That technique aims to keep aerobic conditions in wastewater in order to avoid sulfide generation and favor a decrease of Biochemical Organic Demand (BOD). However, several force mains with air injection are not achieving their goals due to a limited oxygen transfer. Field measurements of dissolved oxygen in urban wastewater are presented in an existing force main with air injection during the summer of 2014 in the southeast of Spain. A laboratory scale model is constructed to quantify two-phase flow conditions in pipe due to air injection for different incoming flows rates of water and air. Particularly, for the case of plug flow, also known as elongated bubble flow. Velocity field measurement of water phase in laboratory allows estimating turbulent diffusivity of oxygen in the water, Em, and inter-phase mass transfer coefficient KL(T). In the laboratory, flow and air depth, bubble length, water velocity field, pressure inside force main and water and airflow rates are determined experimentally. These variables are used to assess DO in water phase of force main by comparison with those obtained from field measurements. This work allows assessing air injection efficiency in wastewater, and, therefore, to predict DO in wastewater in force mains.

ACS Style

Juan T. García; Antonio Vigueras-Rodriguez; Luis G. Castillo; José M. Carrillo. Evaluation of Sulfide Control by Air-Injection in Sewer Force Mains: Field and Laboratory Study. Sustainability 2017, 9, 402 .

AMA Style

Juan T. García, Antonio Vigueras-Rodriguez, Luis G. Castillo, José M. Carrillo. Evaluation of Sulfide Control by Air-Injection in Sewer Force Mains: Field and Laboratory Study. Sustainability. 2017; 9 (3):402.

Chicago/Turabian Style

Juan T. García; Antonio Vigueras-Rodriguez; Luis G. Castillo; José M. Carrillo. 2017. "Evaluation of Sulfide Control by Air-Injection in Sewer Force Mains: Field and Laboratory Study." Sustainability 9, no. 3: 402.

Journal article
Published: 24 January 2017 in Energies
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This paper describes and assesses a decentralized solution based on a wireless sensor-actuator network to provide primary frequency control from demand response in power systems with high wind energy penetration and, subsequently, with relevant frequency excursions. The proposed system is able to modify the electrical power demand of a variety of thermostatically-controlled loads, maintaining minimum comfort levels and minimizing both infrastructure requirements and primary reserves from the supply side. This low-cost hardware solution avoids any additional wiring, extending the wireless sensor-actuator network technology towards small customers, which account for over a 30% share of the current power demand. Frequency excursions are collected by each individual load controller, considering not only the magnitude of the frequency deviation, but also their evolution over time. Based on these time-frequency excursion characteristics, controllers are capable of modifying the power consumption of thermostatically-controlled loads by switching them off and on, thus contributing to primary frequency control in power systems with higher generation unit oscillations as a consequence of relevant wind power integration. Field tests have been carried out in a laboratory environment to assess the load controller performance, as well as to evaluate the electrical and thermal response of individual loads under frequency deviations. These frequency deviations are estimated from power systems with a high penetration of wind energy, which are more sensitive to frequency oscillations and where demand response can significantly contribute to mitigate these frequency excursions. The results, also included in the paper, evaluate the suitability of the proposed load controllers and their suitability to decrease frequency excursions from the demand side in a decentralized manner.

ACS Style

Irene Muñoz-Benavente; Emilio Gómez-Lázaro; Tania García-Sánchez; Antonio Vigueras-Rodríguez; Angel Molina-García. Implementation and Assessment of a Decentralized Load Frequency Control: Application to Power Systems with High Wind Energy Penetration. Energies 2017, 10, 151 .

AMA Style

Irene Muñoz-Benavente, Emilio Gómez-Lázaro, Tania García-Sánchez, Antonio Vigueras-Rodríguez, Angel Molina-García. Implementation and Assessment of a Decentralized Load Frequency Control: Application to Power Systems with High Wind Energy Penetration. Energies. 2017; 10 (2):151.

Chicago/Turabian Style

Irene Muñoz-Benavente; Emilio Gómez-Lázaro; Tania García-Sánchez; Antonio Vigueras-Rodríguez; Angel Molina-García. 2017. "Implementation and Assessment of a Decentralized Load Frequency Control: Application to Power Systems with High Wind Energy Penetration." Energies 10, no. 2: 151.

Book chapter
Published: 07 July 2016 in Sustainable Hydraulics in the Era of Global Change
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ACS Style

Luis Castillo; Juan García; José M. Carrillo; Antonio Vigueras-Rodríguez. Comparison of PIV measurements and CFD simulations of the velocity field over bottom racks. Sustainable Hydraulics in the Era of Global Change 2016, 145 -150.

AMA Style

Luis Castillo, Juan García, José M. Carrillo, Antonio Vigueras-Rodríguez. Comparison of PIV measurements and CFD simulations of the velocity field over bottom racks. Sustainable Hydraulics in the Era of Global Change. 2016; ():145-150.

Chicago/Turabian Style

Luis Castillo; Juan García; José M. Carrillo; Antonio Vigueras-Rodríguez. 2016. "Comparison of PIV measurements and CFD simulations of the velocity field over bottom racks." Sustainable Hydraulics in the Era of Global Change , no. : 145-150.

Journal article
Published: 13 November 2015 in Energies
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In power systems with high wind energy penetration, the conjunction of wind power fluctuations and power system inertia reduction can lead to large frequency excursions, where the operating reserves of conventional power generation may be insufficient to restore the power balance. With the aim of evaluating the demand-side contribution to frequency control, a complete process to determine critical wind oscillations in power systems with high wind penetration is discussed and described in this paper. This process implies thousands of wind power series simulations, which have been carried out through a validated offshore wind farm model. A large number of different conditions have been taken into account, such as frequency dead bands, the percentages of controllable demand and seasonal factor influence on controllable loads. Relevant results and statistics are also included in the paper.

ACS Style

Jorge Villena; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Juan Alvaro Fuentes-Moreno; Irene Munoz-Benavente; Ángel; Ángel Molina-García. An Analysis of Decentralized Demand Response as Frequency Control Support under CriticalWind Power Oscillations. Energies 2015, 8, 12881 -12897.

AMA Style

Jorge Villena, Antonio Vigueras-Rodríguez, Emilio Gómez-Lázaro, Juan Alvaro Fuentes-Moreno, Irene Munoz-Benavente, Ángel, Ángel Molina-García. An Analysis of Decentralized Demand Response as Frequency Control Support under CriticalWind Power Oscillations. Energies. 2015; 8 (11):12881-12897.

Chicago/Turabian Style

Jorge Villena; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Juan Alvaro Fuentes-Moreno; Irene Munoz-Benavente; Ángel; Ángel Molina-García. 2015. "An Analysis of Decentralized Demand Response as Frequency Control Support under CriticalWind Power Oscillations." Energies 8, no. 11: 12881-12897.

Article
Published: 01 November 2013 in IET Renewable Power Generation
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Power fluctuations could have a remarkable impact on power system operation and costs, in accordance with the increasing production of wind power worldwide. In systems with weak interconnections, such as Iberian Peninsula Power System, these fluctuations could be a security issue. In order to characterise the worst effects on power systems of wind power fluctuations, most negative wind power ramp rates can be used. In this study, one-year real data production of 17 wind farms, scattered over Spain, is analysed regarding the geographical smoothing effect on negative wind power ramp rates. Several control strategies are suggested to reduce the resulting aggregated negative ramps. For each strategy, the controlled power is compared with uncontrolled power output, studying the achieved reduction in negative ramps. The results give a comparison of such strategies, regarding energy losses and improvement for power system operation.

ACS Style

Sergio Martín‐Martínez; Emilio Gómez‐Lázaro; Antonio Vigueras‐Rodríguez; Juan Alvaro Fuentes‐Moreno; Angel Molina‐García. Analysis of positive ramp limitation control strategies for reducing wind power fluctuations. IET Renewable Power Generation 2013, 7, 593 -602.

AMA Style

Sergio Martín‐Martínez, Emilio Gómez‐Lázaro, Antonio Vigueras‐Rodríguez, Juan Alvaro Fuentes‐Moreno, Angel Molina‐García. Analysis of positive ramp limitation control strategies for reducing wind power fluctuations. IET Renewable Power Generation. 2013; 7 (6):593-602.

Chicago/Turabian Style

Sergio Martín‐Martínez; Emilio Gómez‐Lázaro; Antonio Vigueras‐Rodríguez; Juan Alvaro Fuentes‐Moreno; Angel Molina‐García. 2013. "Analysis of positive ramp limitation control strategies for reducing wind power fluctuations." IET Renewable Power Generation 7, no. 6: 593-602.

Journal article
Published: 01 September 2013 in Renewable Energy
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ACS Style

Francisco Jiménez; Emilio Gomez-Lazaro; Juan Alvaro Fuentes; Angel Molina-Garcia; Antonio Vigueras-Rodríguez. Validation of a DFIG wind turbine model submitted to two-phase voltage dips following the Spanish grid code. Renewable Energy 2013, 57, 27 -34.

AMA Style

Francisco Jiménez, Emilio Gomez-Lazaro, Juan Alvaro Fuentes, Angel Molina-Garcia, Antonio Vigueras-Rodríguez. Validation of a DFIG wind turbine model submitted to two-phase voltage dips following the Spanish grid code. Renewable Energy. 2013; 57 ():27-34.

Chicago/Turabian Style

Francisco Jiménez; Emilio Gomez-Lazaro; Juan Alvaro Fuentes; Angel Molina-Garcia; Antonio Vigueras-Rodríguez. 2013. "Validation of a DFIG wind turbine model submitted to two-phase voltage dips following the Spanish grid code." Renewable Energy 57, no. : 27-34.

Journal article
Published: 03 July 2013 in IEEE Transactions on Energy Conversion
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Wind turbine models for the evaluation of fault ride-through capability require the modeling of the electrical and mechanical subsystems. This validation procedure is mainly focused on electrical variables, and thus, a detailed electrical model and a simplified mechanical model are usually proposed. This latter subsystem can present significant errors, leading toward a negative impact on the correct prediction of the retroaction between the rotor and the grid. This fact is especially undesirable under transient events. This paper is focused on the development, adjustment, and validation of a simplified mechanical model, being applied to a commercial wind turbine. For this purpose, the simplified model is adjusted according to a validated and detailed mechanical model developed by Gamesa Corporation in Bladed software package. A comparison between simulated and measured mechanical data of the Gamesa G52 commercial wind turbine submitted to transient events is also included in this paper.

ACS Style

Francisco Jimenez Buendia; Antonio Vigueras-Rodriguez; Emilio Gomez-Lazaro; Juan Alvaro Fuentes; Angel Molina-Garcia. Validation of a Mechanical Model for Fault Ride-Through: Application to a Gamesa G52 Commercial Wind Turbine. IEEE Transactions on Energy Conversion 2013, 28, 707 -715.

AMA Style

Francisco Jimenez Buendia, Antonio Vigueras-Rodriguez, Emilio Gomez-Lazaro, Juan Alvaro Fuentes, Angel Molina-Garcia. Validation of a Mechanical Model for Fault Ride-Through: Application to a Gamesa G52 Commercial Wind Turbine. IEEE Transactions on Energy Conversion. 2013; 28 (3):707-715.

Chicago/Turabian Style

Francisco Jimenez Buendia; Antonio Vigueras-Rodriguez; Emilio Gomez-Lazaro; Juan Alvaro Fuentes; Angel Molina-Garcia. 2013. "Validation of a Mechanical Model for Fault Ride-Through: Application to a Gamesa G52 Commercial Wind Turbine." IEEE Transactions on Energy Conversion 28, no. 3: 707-715.

Book chapter
Published: 21 November 2012 in Advances in Wind Power
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ACS Style

Sergio Martín-Martínez; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Angel Molina-Garcia; Eduard Muljadi; Michael Millig. Wind Power Variability and Singular Events. Advances in Wind Power 2012, 1 .

AMA Style

Sergio Martín-Martínez, Antonio Vigueras-Rodríguez, Emilio Gómez-Lázaro, Angel Molina-Garcia, Eduard Muljadi, Michael Millig. Wind Power Variability and Singular Events. Advances in Wind Power. 2012; ():1.

Chicago/Turabian Style

Sergio Martín-Martínez; Antonio Vigueras-Rodríguez; Emilio Gómez-Lázaro; Angel Molina-Garcia; Eduard Muljadi; Michael Millig. 2012. "Wind Power Variability and Singular Events." Advances in Wind Power , no. : 1.

Journal article
Published: 12 November 2012 in IEEE Transactions on Power Delivery
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A new three-phase digital phase-locked loop (DPLL) is proposed to determine the instantaneous grid frequency under power system disturbances. The proposed solution is based on single-phase DPLL algorithms, defining the estimated grid frequency as a nonlinear weighted mean of the three single-phase DPLL outputs. Orthogonal signals required by the DPLL algorithms are obtained through a fictitious quadrature voltage using five different appropriated approaches. The proposed structures have been assessed through extensive analysis under balanced and unbalanced conditions. For this purpose, real voltage dips collected in a Spanish wind farm along several months are included in the paper as examples of frequency estimations. In addition, results from conventional three-phase DPLL topologies are presented to confirm the validity of the proposed DPLL structures.

ACS Style

Sergio Martin-Martinez; Emilio Gomez-Lazaro; Angel Molina-Garcia; Juan Alvaro Fuentes; Antonio Vigueras-Rodriguez; Sergio Amat Plata. A New Three-Phase DPLL Frequency Estimator Based on Nonlinear Weighted Mean for Power System Disturbances. IEEE Transactions on Power Delivery 2012, 28, 179 -187.

AMA Style

Sergio Martin-Martinez, Emilio Gomez-Lazaro, Angel Molina-Garcia, Juan Alvaro Fuentes, Antonio Vigueras-Rodriguez, Sergio Amat Plata. A New Three-Phase DPLL Frequency Estimator Based on Nonlinear Weighted Mean for Power System Disturbances. IEEE Transactions on Power Delivery. 2012; 28 (1):179-187.

Chicago/Turabian Style

Sergio Martin-Martinez; Emilio Gomez-Lazaro; Angel Molina-Garcia; Juan Alvaro Fuentes; Antonio Vigueras-Rodriguez; Sergio Amat Plata. 2012. "A New Three-Phase DPLL Frequency Estimator Based on Nonlinear Weighted Mean for Power System Disturbances." IEEE Transactions on Power Delivery 28, no. 1: 179-187.

Conference paper
Published: 01 July 2012 in 2012 IEEE Power and Energy Society General Meeting
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The ever increasing level of wind power penetration in Spain has a remarkable impact on power system operation and costs. Furthermore, the Iberian Peninsula Power System is considered to be a weak systems. With a weak interconnections, wind power fluctuations could affect the security, reliability and stability of power system. There are times when a combination of several events or several actions taken (coincidence or coordinated) may lead to the worst condition of power system. An evolution of procedures and regulations related to power system have been performed and developed by Spanish Transmission System Operator (TSO) to tackle these extreme events; thus, improving the overall wind power integration. This paper analyzes the wind power events and the evolution of procedures during past several years implemented by Spanish TSO. Events are analyzed from TSO perspective as well as from the wind farm and wind turbines point aspects. Operational decisions and techniques developed and performed by Spanish TSO to resolve these events are also described in this paper.

ACS Style

S. Martin-Martinez; Emilio Gomez-Lazaro; Angel Molina-Garcia; Antonio Vigueras-Rodriguez; M. Milligan; E. Muljadi. Participation of wind power plants in the Spanish power system during events. 2012 IEEE Power and Energy Society General Meeting 2012, 1 -8.

AMA Style

S. Martin-Martinez, Emilio Gomez-Lazaro, Angel Molina-Garcia, Antonio Vigueras-Rodriguez, M. Milligan, E. Muljadi. Participation of wind power plants in the Spanish power system during events. 2012 IEEE Power and Energy Society General Meeting. 2012; ():1-8.

Chicago/Turabian Style

S. Martin-Martinez; Emilio Gomez-Lazaro; Angel Molina-Garcia; Antonio Vigueras-Rodriguez; M. Milligan; E. Muljadi. 2012. "Participation of wind power plants in the Spanish power system during events." 2012 IEEE Power and Energy Society General Meeting , no. : 1-8.