2023


  • Riyahi, M., Fraile-Ardanuy, F., Jiménez, D., Castaño-Solis, S., Fernández-Muñoz, D., Pérez-Díaz, J.I., Gutiérrez, A., Energy Optimization System based on storage potentials of distributed Electric Vehicles, 23rd IEEE International Conference on Environment and Electrical Engineering, Madrid (Spain), 6-9 June, 2023.
  • Castaño-Solis, S., Fernández-Muñoz, D., Fraile-Ardanuy, F., Gutiérrez, A., Conti, G., Jiménez, D., Pérez-Díaz, J.I., Management of a Local Multi-Source Energy System in a Research Centre based on self-PV Generation and Electric Vehicles, 23rd IEEE International Conference on Environment and Electrical Engineering, Madrid (Spain), 6-9 June, 2023.

2022


  • Akbari, H., Pérez-Díaz, J.I., Sarasúa, J.I., Schürhuber, R., Evaluation of Different Waterway Modelling Techniques for Real Time Digital Simulator Applications, Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART), 23-25 November, virtual, 2022.
  • Akbari, H., Pérez-Díaz, J.I., Sarasúa, J.I., Schürhuber, R., Evaluation of Different Francis Turbine Modelling Techniques for Real Time Digital Simulator Applications, Second International Conference on Sustainable Mobility Applications, Renewables and Technology (SMART), 23-25 November, virtual, 2022.
  • Pérez-Díaz, J.I., González, J., Plant-based vs. unit-based hydropower production function, Hydropower Scheduling Conference, Oslo (Norway), 12-13 September, 2022.

2018


  • Chazarra, M., Pérez-Díaz, J.I., Gómez-Vázquez, R., Garvey, S., Preliminary Viability Assessment of an Above-ground Compressed Air Energy Storage Plant Integrated in an Existing Wind Farm, 11th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion, Dubrovnik (Cavtat), Croatia, 12-15 November, 2018.
  • Ribas, J.R., Sohler, F.A.S., Pérez-Díaz, J.I., Guisández, I., A fuzzy FMECA risk analysis of the Simplicio Hydropower plant, 3rd International Dam World Conference, Foz do Iguaçu, Brazil, 18-22 September, 2018.
  • Guisández, I., Pérez-Díaz, J.I., Evaluating Approaches for Estimating the Water Value of a Hydropower Plant in the Day-Ahead Electricity Market, 6th International Workshop on Hydro Scheduling in Competitive Electricity Markets, Stavanger, Norway, 12-13 September, 2018.
  • Chazarra, M., Portillo, R., Pérez-Díaz, J.I., Hernández-Bayo, A., Manual Frequency Restoration Reserve in Spain: Analysis and Forecasting, 15th International Conference on the European Energy Market, Lodz, Poland, 27-29 June, 2018.
  • Fernández-Muñoz, D. Guisández, I., Pérez-Díaz, J.I., Chazarra, M., Fernández-Espina, A., Burke, F., Fast frequency control services in Europe, 15th International Conference on the European Energy Market, Lodz, Poland, 27-29 June, 2018.
  • Villalba, I., Greiner, D., Díaz, F., Blanco, M., Lafoz, M., Pérez-Díaz, J.I., Multiobjective optimization of a wave energy farm, 6th European Seminar on Computing, 3-8 June, Pilsen, Czech Republic, 3-8 June, 2018.
  • Milla, J., Martínez, I., Chazarra, M., P-erez-Díaz, J.I., Techno-economic assessment of DARE system, 12th International Renewable Energy Storage Conference, Düsseldorf, Germany, 12-14 March, 2018.

2017


  • Blanco, M., Navarro, G., Lafoz, M. Pérez-Díaz, J.I., Study of the impact of wave energy generation in the frequency of an islanded electric grid, 12th European Wave and Tidal Energy Conference, Cork, Ireland, 27 Aug. – 1 Sep., 2017.
  • Blanco, M., Navarro, G., Lafoz, M., Pérez-Díaz, J.I., How harmful is the wave energy penetration in an electric grid, 12th European Wave and Tidal Energy Conference, Cork, Ireland, 27 Aug. – 1 Sep., 2017.
  • Chazarra, M. Pérez-Díaz, J.I., García-González, J., Helseth, A., Economic Impact of Forecasting Errors in Residual Reserve Curves in the Day-ahead Scheduling of Pumped Storage Plants, IEEE PowerTech, Manchester, UK, 18-22 June, 2017.
  • Guisández, I., Pérez-Díaz, J.I., Wilhelmi, Stochastic analysis of the effects of environmental constraints on hydropeaking, World Water Congress, Special Session on Hydropower Reservoir Operation, Cancun, Mexico, 9 May-3 June, 2017.
  • Santolin, A., Cavazzini, G., Pavesi, G., Ardizzon, G. Pérez-Díaz, J.I., Van Dijk, M., Techno-economic feasibility analysis for energy production by variable speed Francis turbines in water distribution networks, AFRICA 2017, Marrakech, Morocco, 14-16 March, 2017.
  • Chazarra, M. Pérez-Díaz, J.I., García-González, J., Economic Viability of Pumped-Storage Power Plants Equipped with Ternary Units and Considering Hydraulic Short-Circuit Operation, HYPERBOLE Conference, Porto, Portugal, 2-3 February, 2017.
  • Martínez-Lucas, G., Pérez-Díaz, J.I., Sarasúa, J.I., Cavazzini, G., Pavesi, G., Ardizzon, G., Simulation model of a variable-speed pumped-storage power plant in unstable operating conditions in pumping mode, HYPERBOLE Conference, Porto, Portugal, 2-3 February, 2017.

2016


  • Sarasúa, J.I., Torres, B., Pérez-Díaz, J.I., Lafoz, M., Control strategy and sizing of a flywheel energy storage plant for the frequency control of an isolated wind-hydro power system, 15th Wind Integration Workshop, Vienna, Austria, 15-17 November, 2016.
  • Fernández, D., Pérez-Díaz, J.I., Value of flexible pumped-hydro energy storage in isolated power systems with high wind generation, Viennahydro, Vienna, Austria, November 9-11, 2016.
  • Chazarra, M., Pérez-Díaz, J.I., García-González, Value of Perfect Information of Spot Prices in the Joint Energy and Reserve Hourly Scheduling of Pumped Storage Plants, International Conference on the European Energy Market, Porto, Portugal, 6-9 June, 2016.

2015


  • Chazarra, M. Pérez-Díaz, J.I., García-González, J., Helseth, A., Comparison of Different Approaches to Model the Real-Time Use of the Committed Secondary Regulation Reserves in the Short-Term Joint Energy and Reserve Scheduling of a Pumped-Storage Hydropower Plant, 5th International Workshop on Hydro Scheduling in Competitive Electricity Markets, Trondheim, Norway, 17-18 September, 2015.
  • Guisández, I., Pérez-Díaz, J.I., Wilhelmi, J.R., Influence of the maximum flow ramping rates on the water value, 5th International Workshop on Hydro Scheduling in Competitive Electricity Markets, Trondheim, Norway, 17-18 September, 2015.

2014


  • Pérez-Díaz, J.I., Jiménez, J., Wilhelmi, J.R., Pumped-hydro energy storage as a means to reduce the power supply costs of an isolated power system with high wind power penetration, UK Energy Storage Conference, University of Warwick, UK, 25-27 Nov. 2014.
  • Chazarra, M., Pérez-Díaz, J.I., García-González, J., Optimal Operation of Variable Speed Pumped Storage Hydropower Plants Participating in Secondary Regulation Reserve Markets, International Conference on the European Energy Market, May 28-30, Krakow, Poland, 2014..
  • Guisández, I., Pérez-Díaz, J.I. and Wilhelmi, J.R., Effects of the maximum flow ramping rates on the long-term operation decisions of a hydropower plant. International Conference on Renewable Energy and Power Quality (ICREPQ’2014), Córdoba (Spain), April 8-10, 2014..

2013


  • García de Jalón, Iglesias, A. Cunningham, R. and Pérez-Díaz, J.I., Assessing adaptation options to water scarcity in Southern Spain. An approach combining Multi-Criteria Analysis and land-use optimization, 8th International Conference of EWRA, Porto (Portugal), 26-29 June, 2013.

2011


  • Pérez-Díaz, JI, Wilhelmi, JR, García, D, Millán, R and Guisández, I, “Contribution of re-regulation reservoirs considering pumping capability to environmentally friendly hydropower operation”. VI Conference on Sustainable Development of Energy, Water and Environment Systems, Dubrovnik (Croatia), September 25-29, 2011.
  • Yadav, O., Kishor, N., Fraile-Ardanuy, J., Mohanty, S.R., Pérez-Díaz, J.I. and Sarasúa, J.I., “Pond head control level in a run-of-river hydro power plant using fuzzy controller”, 16th International Conference on Intelligent Systems Applications to Power Systems, Crete (Greece), 25-28 September, 2011.
  • Pérez-Díaz, JI, Wilhelmi, JR, Galaso, I, Sánchez, JA, Castañeda, O, Sarasúa, JI and Fraile-Ardanuy, J, “Dynamic response of hydro power plants for providing secondary regulation reserves considering elastic water column effects”. 12th Portuguese-Spanish Conference on Electrical Engineering, Ponta-Delgada, Açores (Portugal), June 30th – July 2nd, 2011.
  • Bianucci, P, Sordo, A, Pérez-Díaz, JI, Mediero, L, Garrote, L and García-Palacios, J, “Probabilistic calibration of a reservoir optimization model for flood control”. European Geosciences Union, General Assembly, Vienna (Austria), April 3-8, 2011.

2010


  • Pérez-Díaz, JI, Perea, A and Wilhelmi, JR, “Optimal short-term operation and sizing of pumped-storage power plants in systems with high penetration of wind energy”. 7th International Conference on the European Energy Market (EEM’10), Madrid (Spain), June 23-25, 2010.
  • Pérez-Díaz, JI, Sarasúa, JI, Fraile-Ardanuy, J, Wilhelmi, JR and Sánchez-Fernández, JA, “A control system for low-head diversion run-of-river small hydro plants with pressure conduits considering the tailwater level variation”. International Conference on Renewable Energy and Power Quality, ICREQP´10, Granada (Spain), March 25-25, 2010.

2009


  • Pérez-Díaz, JI, Wilhelmi, JR, García-Gutiérrez, P, Fraile-Ardanuy, J, Fraile-Mora, J, Sánchez-Fernández, JA and Sarasúa JI, “Water level control system for a low-head run-of-river variable speed small hydropower plant”. 11th Spanish Portuguese Conference on Electrical Engineering, Zaragoza (Spain), July 1-4, 2009.

2008


  • Pérez-Díaz, JI and Fraile-Ardanuy, J, “Neural networks for optimal operation of a run-of-river adjustable speed hydro power plant with axial flow propeller turbine”. 16th Mediterranean Conference on Control and Automation, Corsica (France), June 25-27, 2008.
  • Pérez-Díaz, JI, Wilhelmi, JR and Arévalo, L, “Unit commitment and generation dispatch of a hydropower plant in a competitive electricity market”. International Conference on Renewable Energy and Power Quality, ICREQP´08, Santander (Spain). March 12-14, 2008.

2007


  • Sánchez, J.A., Sarasúa, J.I., Pérez-Díaz, J.I., Fraile-Aradanuy, J., Fraile-Mora, J. and Wilhelmi, J.R., “Variable speed operation and control of low-head run of river small hydropower plants”, HYDRO Conference, Granada (Spain), 15-17 October, 2007.
  • Fraile-Ardanuy, J., Fraile-Mora, J., Wilhelmi, J.R., García, P. and Pérez-Díaz, J.I., “Influence of unsymmetrical serial impedances on the current unbalance factor of a three-phase induction motor”, Portuguese-Spanish Congress on Electrical Engineering, Funchal (Portugal), 5-7 July 2007.
  • Pérez-Díaz, J.I., Wilhelmi, J.R. and Arévalo, L., “Head-dependent nonlinear model for short-term scheduling of a single unit small hydro plant”, Portuguese-Spanish Congress on Electrical Engineering, Funchal (Portugal), 5-7 July 2007.
  • Pérez-Díaz, JI, Maroto, L, Wilhelmi, JR, Fraile-Ardanuy, J, Fraile-Mora, J, García, P, Sánchez, JA, Sarasúa, JI and Garrote, L, “Energy and operational benefits of adjustable-speed hydro power plants: Application to an irrigation reservoir”, in Proc. of ICOLD Annual Meeting, Saint Petersburg (Russia), June 24-29, 2007.
  • Pérez-Díaz, JI and Wilhelmi, JR, “Nonlinear self-scheduling of a single unit small hydro plant in the day-ahead electricity market”, International Conference on Renewable Energy and Power Quality, ICREQP´07, Sevilla (Spain), April 12-14, 2007.
  • Sarasúa, J.I., Wilhelmi, J.R., Fraile-Ardanuy, J., Pérez-Díaz, J.I. and Sánchez, J.A., “Control of a run of river small hydro plant”, International Conference on Power Engineering, Energy and Electrical Drives, Setubal (Portugal), 12-14 April 2007.

2006


  • Fraile-Ardanuy, J, Pérez-Díaz, JI, Sarasúa, JI, Wilhelmi, JR and Fraile-Mora, J, “Speed optimisation module of a hydraulic Francis turbine based on artificial neural networks. Application to the dynamic analysis and control of an adjustable speed hydro plant”. IEEE World Congress on Computational Intelligence, WCCI 2006, Vancouver (Canada), July 16-21, 2006.
  • Fraile-Ardanuy, J., Wilhelmi, J.R., Fraile-Mora, J., Pérez-Díaz, J.I. and Sarasúa, J.I., “Speed control of run-of-river variable speed hydro plants”, International Conference on Renewable Energy and Power Quality, Palma de Mallorca (Spain), 5-7 April, 2006.

2005


  • Fraile-Ardanuy, J., Wilhelmi, J.R., Fraile-Mora, J., Pérez-Díaz, J.I. and Sarasúa, J.I., “A dynamic model of adjustable speed hydro plants”. 9th Spanish-Portgues Congress on Electrical Engineering, Málaga (Spain), 30 June – 2 July, 2005.