Lukas Sigrist received his M.Sc. degree in electrical and electronics engineering from École Polytechnique Fédérale de Lausanne (EPFL) in 2007 and his Ph.D. degree from Universidad Pontificia Comillas in 2010.

He is a researcher at Instituto de Investigación Tecnológica (IIT) of Universidad Pontificia Comillas, Madrid, and the deputy director of Economic Affairs.

His areas of interest are modeling, analysis, simulation, and identification of electric power systems.

He has been involved in a large number of research projects related to power-system stability and power-system operation particularly in the area of island power systems.

He has published over 120 papers in specialized journals and conferences.

His work on designing UFLS schemes of isolated power systems has received the 12th European Talent Award for Innovative Energy Systems.

Lukas is the treasurer of the Spanish IEEE PES chapter and has been associated editor of the IET GTD.

He was a member of the CIRED working group 2018-3 on "Technical requirements for microgrids operating in both islanded and interconnected mode".

Areas of interest:

Modeling, analysis and control of electric power systems. Energy Systems Models.

Skills:

Dynamic simulation of power systems (PSS/e + Python + Fortran, DigSilent + Python, Matlab/Simulink) Simulation of the operation of power systems (GAMS, Matlab)

Highlighted Publications

show 5 highlighted publications

Journal Publications

J. Gutiérrez-Florensa, A. Ortega, L. Sigrist, F. Milano, "Sinusoidality Index", IEEE Transactions on Power Delivery, doi: 10.1109/TPWRD.2026.3709621 In press: July 2026.
JCR-JIF: 4,700 Q2 (2025) - SJR: 1,720 Q1 (2025)
A. Cedenilla-Bote, L. Rouco, L. Sigrist, P. Carpentier, A. Guironnet, G. Torresan, P. Zoghby, "Assessing POD controller robustness via eigenvalue sensitivities", Electric Power Systems Research, Vol. 263, pp. 113782, February 2027. [Online: July 2026] doi: 10.1016/j.epsr.2026.113782
JCR-JIF: 4,300 Q2 (2025) - SJR: 1,192 Q1 (2025)
R. Ávila-Martínez, L. Rouco, J. Renedo, L. Sigrist, A. García-Cerrada, "Active-power control strategies in grid-forming power converters to improve transient stability in power systems with 100% converter-based generation", Electric Power Systems Research, Vol. 262, pp. 113629, January 2027. [Online: July 2026] doi: 10.1016/j.epsr.2026.113629
JCR-JIF: 4,300 Q2 (2025) - SJR: 1,192 Q1 (2025)
J. Gutiérrez-Florensa, F. Sanniti, D. Tedeschi, L. Sigrist, A. Ortega, F. Milano, "Theoretical and experimental limitations of RoCoF estimation: A geometric approach", Electric Power Systems Research, Vol. 262, pp. 113529, January 2027. [Online: June 2026] doi: 10.1016/j.epsr.2026.113529
JCR-JIF: 4,300 Q2 (2025) - SJR: 1,192 Q1 (2025)
J. Gutiérrez-Florensa, A. Ortega, L. Sigrist, J.L. Anderson-Azzano, P.F. Puleston, "Adaptive super-twisting control for grid-following inverter under unbalanced current injection", Control Engineering Practice, Vol. 176, pp. 107144, November 2026. [Online: July 2026] doi: 10.1016/j.conengprac.2026.107144
JCR-JIF: 5,300 Q1 (2025) - SJR: 1,220 Q1 (2025)
O. Arenas, M. Rajabdorri, L. Sigrist, E. Lobato, L. Rouco, V. Sordo, J. Gutiérrez, A. Santamaría, "MILP-based optimization models for UFLS feeder selection", Sustainable Energy, Grids and Networks, Vol. 47, pp. 102407, September 2026. [Online: July 2026] doi: 10.1016/j.segan.2026.102407
JCR-JIF: 5,700 Q1 (2025) - SJR: 1,239 Q1 (2025)
R. Ávila-Martínez, J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, "Revisiting angle stability in power systems with grid-forming power converters", IEEE Transactions on Power Systems, Vol. 41, nº. 5, pp. 4033 - 4036, September 2026. [Online: June 2026] doi: 10.1109/TPWRS.2026.3703616
JCR-JIF: 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)
M. Sarvarizadeh, L. Sigrist, A. Rouco, M. Rajabdorri, E. Lobato, "A corrective frequency-constrained unit commitment with data-driven estimation of optimal UFLS in island power systems", International Journal of Electrical Power & Energy Systems, Vol. 181, pp. 112154, August 2026. [Online: September 2026] doi: 10.1016/j.ijepes.2026.112154
JCR-JIF: 5,300 Q1 (2025) - SJR: 1,482 Q1 (2025)
J. Gutiérrez-Florensa, A. Ortega, L. Sigrist, F. Milano, "Quasi Steady-State Frequency", IEEE Transactions on Circuits and Systems I: Regular Papers, Vol. 73, nº. 4, pp. 2986 - 2998, April 2026. [Online: September 2025] doi: 10.1109/TCSI.2025.3612501
JCR-JIF: 5,600 Q1 (2025) - SJR: 1,947 Q1 (2025)
A. Tomás-Martín, J. Roldán-Pérez, N. Jankovic, S.J. Yagüe, L. Sigrist, A. García-Cerrada, "Improvements of a multi-agent secondary controller for reconnecting a microgrid to the main grid", International Journal of Electrical Power & Energy Systems, Vol. 177, pp. 111797, April 2026. [Online: March 2026] doi: 10.1016/j.ijepes.2026.111797
JCR-JIF: 5,300 Q1 (2025) - SJR: 1,482 Q1 (2025)
S. Rezaeian-Marjani, L. Sigrist, A. García-Cerrada, "Dynamic Cascading Simulations of Hybrid AC/DC Power Systems in PSS/E", Energies, Vol. 19, nº. 7, pp. 1611, April 2026. [Online: March 2026] doi: 10.3390/en19071611
JCR-JIF: 3,900 Q3 (2025) - SJR: 0,748 Q1 (2025)
A. Tomás-Martín, B. Kazemtabrizi, A. García-Cerrada, L. Sigrist, E.J. Bueno, "Decentralised consensus-based hierarchical control of a hybrid AC–DC microgrid robust to communication delays", International Journal of Electrical Power & Energy Systems, Vol. 175, pp. 111645, February 2026. [Online: February 2026] doi: 10.1016/j.ijepes.2026.111645
JCR-JIF: 5,300 Q1 (2025) - SJR: 1,482 Q1 (2025)
H. Nemati, P. Sánchez, A. Ortega, L. Sigrist, L. Rouco, "Integration of concentrated solar power plants in renewable-only VPP with electrical and thermal demands: A two-stage robust bidding approach", Journal of Energy Storage, Vol. 141, nº. Part C, pp. 119265, January 2026. [Online: November 2025] doi: 10.1016/j.est.2025.119265
JCR-JIF: 10,700 Q1 (2025) - SJR: 1,795 Q1 (2025)
R. Ávila-Martínez, X. Guillaud, J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, "Impact on transient stability of self-synchronisation control strategies in grid-forming power converters", International Journal of Electrical Power & Energy Systems, Vol. 174, pp. 111540, January 2026. [Online: January 2026] doi: 10.1016/j.ijepes.2025.111540
JCR-JIF: 5,300 Q1 (2025) - SJR: 1,482 Q1 (2025)
O. Oladimeji, A. Ortega, L. Sigrist, B. Marinescu, V. Thomas, "Adaptive High-Performance Optimization Tool for Real-time Operation of Renewable-based Virtual Power Plants", IEEE Access, Vol. 13, pp. 11479 - 11493, 2025. [Online: January 2025] doi: 10.1109/ACCESS.2025.3528123
JCR-JIF: 4,200 Q2 (2025); - SJR: 0,884 Q1 (2025);
N. Rodríguez Pérez, J. Matanza, L. Sigrist, J.L. Rueda Torres, G. López, "MaDIoT 3.0: Assessment of Attacks to Distributed Energy Resources and Demand in a Power System", IEEE Open Access Journal of Power and Energy, Vol. 12, pp. 552 - 563, 2025. [Online: August 2025] doi: 10.1109/OAJPE.2025.3595631
JCR-JIF: 3,200 Q2 (2024) - SJR: 0,969 Q1 (2025); 0,969 Q1 (2025)
M. Sarvarizadeh, M. Rajabdorri, E. Lobato, L. Sigrist, B. Kazemtabrizi, M. Troffaes, "Under frequency load shedding aware unit commitment in island power systems", International Journal of Electrical Power & Energy Systems, Vol. 170, pp. 110884, September 2025. [Online: July 2025] doi: 10.1016/j.ijepes.2025.110884
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);
H. Nemati, P. Sánchez, A. Ortega, L. Sigrist, E. Lobato, L. Rouco, "Flexible robust optimal bidding of renewable virtual power plants in sequential markets under asymmetric uncertainties", Sustainable Energy, Grids and Networks, Vol. 43, pp. 101801, September 2025. [Online: July 2025] doi: 10.1016/j.segan.2025.101801
JCR-JIF: 5,700 Q1 (2025); - SJR: 1,239 Q1 (2025);
A. Tomás-Martín, C.D. Zuluaga-Ríos, J. Suárez-Porras, B. Kazemtabrizi, J. García-Aguilar, L. Sigrist, A. García-Cerrada, "A vector-based flexible-complexity tool for simulation and small-signal analysis of hybrid AC/DC power systems", Sustainable Energy, Grids and Networks, Vol. 43, pp. 101817, September 2025. [Online: July 2025] doi: 10.1016/j.segan.2025.101817
JCR-JIF: 5,700 Q1 (2025); - SJR: 1,239 Q1 (2025);
S. Bindu, L. Sigrist, J.P. Chaves, "Frequency stability services to compensate for low inertia in renewable-dominated power systems", Utilities Policy, Vol. 95, pp. 101938, August 2025. [Online: April 2025] doi: 10.1016/j.jup.2025.101938
JCR-JIF: 4,900 Q2 (2025); - SJR: 1,073 Q1 (2025);
H. Nemati, P. Sánchez, L. Sigrist, L. Rouco, A. Ortega, "Flexible robust optimization for Renewable-only VPP bidding on electricity markets with economic risk analysis", International Journal of Electrical Power & Energy Systems, Vol. 167, pp. 110594, June 2025. [Online: March 2025] doi: 10.1016/j.ijepes.2025.110594
JCR-JIF: 5,300 Q1 (2025); - SJR: 1,482 Q1 (2025);
L. Rouco, L. Sigrist, A. García-Cerrada, "Generación conectada a la red a través de convertidores electrónicos de potencia con emulación del comportamiento de los generadores síncronos: el control grid-forming y el problema de la sincronización de los convertidores a la red", Cuadernos de Energía, Nº. 79, pp. 119 - 128, March 2025.
M. Rajabdorri, M. Troffaes, B. Kazemtabrizi, M. Sarvarizadeh, L. Sigrist, E. Lobato, "Data-driven estimation of the amount of under frequency load shedding in small power systems", Engineering Applications of Artificial Intelligence, Vol. 139, nº. Part B, pp. 109617, January 2025. [Online: November 2024] doi: 10.1016/j.engappai.2024.109617
JCR-JIF: 9,000 Q1 (2025); - SJR: 1,782 Q1 (2025);
M. Rajabdorri, A. Rouco, L. Sigrist, E. Lobato, "Unit commitment with analytical under-frequency load-shedding constraints for island power systems", IEEE Access, Vol. 12, pp. 72337 - 72344, 2024. [Online: May 2024] doi: 10.1109/ACCESS.2024.3401854
JCR-JIF: 3,600 Q2 (2024); 4,200 Q2 (2025) - SJR: 0,849 Q1 (2024); 0,884 Q1 (2025)
M. Rajabdorri, E. Lobato, L. Sigrist, j Aghaei, "Data-driven continuous-time framework for frequency-constrained unit commitment", International Journal of Electrical Power & Energy Systems, Vol. 162, pp. 110327, November 2024. [Online: October 2024] doi: 10.1016/j.ijepes.2024.110327
JCR-JIF: 5,000 Q1 (2024); 5,300 Q1 (2025) - SJR: 1,714 Q1 (2024); 1,482 Q1 (2025)
R. Ávila-Martínez, J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, X. Guillaud, T. Qoria, "Impact of current limiters and fast voltage boosters in grid-forming VSC-based generators on transient stability", Electric Power Systems Research, Vol. 235, pp. 110753, October 2024. [Online: June 2024] doi: 10.1016/j.epsr.2024.110753
JCR-JIF: 4,200 Q2 (2024); 4,300 Q2 (2025) - SJR: 1,137 Q1 (2024); 1,192 Q1 (2025)
E. Lobato, M. Rajabdorri, L. Sigrist, I. Egido, A. Ortega, "Robust optimal design of UFLS schemes in Island Power Systems", Sustainable Energy, Grids and Networks, Vol. 39, pp. 101434, September 2024. [Online: May 2024] doi: 10.1016/j.segan.2024.101434
JCR-JIF: 5,600 Q1 (2024); 5,700 Q1 (2025) - SJR: 1,378 Q1 (2024); 1,239 Q1 (2025)
M. Rajabdorri, B. Kazemtabrizi, M. Troffaes, L. Sigrist, E. Lobato, "Inclusion of frequency nadir constraint in the unit commitment problem of small power systems using machine learning", Sustainable Energy, Grids and Networks, Vol. 36, pp. 101161, December 2023. [Online: September 2023] doi: 10.1016/j.segan.2023.101161
JCR-JIF: 4,800 Q1 (2023); 5,700 Q1 (2025) - SJR: 1,232 Q1 (2023); 1,239 Q1 (2025)
N. Rodríguez Pérez, J. Matanza, L. Sigrist, J.L. Rueda Torres, G. López, "Confronting the threat: analysis of the impact of MaDIoT attacks in two power system models", Energies, Vol. 16, nº. 23, pp. 7732, December 2023. [Online: November 2023] doi: 10.3390/en16237732
JCR-JIF: 3,000 Q3 (2023); 3,900 Q3 (2025) - SJR: 0,651 Q1 (2023); 0,748 Q1 (2025)
J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, "Transient stability versus damping of electromechanical oscillations in power systems with embedded multi-terminal VSC-HVDC systems", IET Generation, Transmission & Distribution, Vol. 17, nº. 15, pp. 3477 - 3487, August 2023. [Online: June 2023] doi: 10.1049/gtd2.12874
JCR-JIF: 2,000 Q3 (2023); 2,800 Q2 (2025) - SJR: 0,787 Q2 (2023); 0,696 Q2 (2025)
A. Tomás-Martín, A. García-Cerrada, L. Sigrist, S.J. Yagüe, J. Suárez-Porras, "State relevance and modal analysis in electrical microgrids with high penetration of electronic generation", International Journal of Electrical Power & Energy Systems, Vol. 147, pp. 108876, May 2023. [Online: December 2022] doi: 10.1016/j.ijepes.2022.108876
JCR-JIF: 5,000 Q1 (2023); 5,300 Q1 (2025) - SJR: 1,711 Q1 (2023); 1,482 Q1 (2025)
B. Marinescu, O. Gomis-Bellmunt, F. Dörfler, H. Schulte, L. Sigrist, "Dynamic virtual power plant: a new concept for grid integration of renewable energy sources", IEEE Access, Vol. 10, pp. 104980 - 104995, 2022. [Online: September 2022] doi: 10.1109/ACCESS.2022.3205731
JCR-JIF: 3,900 Q2 (2022); 4,200 Q2 (2025) - SJR: 0,926 Q1 (2022); 0,884 Q1 (2025)
E. Lobato, L. Sigrist, A. Ortega, A. González, J.M. Fernández de Bobadilla Navarrete, "Battery energy storage integration in wind farms: economic viability in the Spanish market", Sustainable Energy, Grids and Networks, Vol. 32, pp. 100854, December 2022. [Online: July 2022] doi: 10.1016/j.segan.2022.100854
JCR-JIF: 5,400 Q1 (2022); 5,700 Q1 (2025) - SJR: 1,225 Q1 (2022); 1,239 Q1 (2025)
R. Ávila-Martínez, J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, T. Qoria, X. Guillaud, "Fast voltage boosters to improve transient stability of power systems with 100% of grid-forming VSC-based generation", IEEE Transactions on Energy Conversion, Vol. 37, nº. 4, pp. 2777 - 2789, December 2022. [Online: August 2022] doi: 10.1109/TEC.2022.3199650
JCR-JIF: 4,900 Q2 (2022); 6,100 Q1 (2025) - SJR: 2,038 Q1 (2022); 2,297 Q1 (2025)
M. Rajabdorri, E. Lobato, L. Sigrist, "Robust frequency constrained uc using data driven logistic regression for island power systems", IET Generation, Transmission & Distribution, Vol. 16, nº. 24, pp. 5069 - 5083, December 2022. [Online: November 2022] doi: 10.1049/gtd2.12658
JCR-JIF: 2,500 Q3 (2022); 2,800 Q2 (2025) - SJR: 0,981 Q1 (2022); 0,696 Q2 (2025)
P. Santurino, L. Sigrist, A. Ortega, J. Renedo, E. Lobato, "Optimal coordinated design of under-frequency load shedding and energy storage systems", Electric Power Systems Research, Vol. 211, pp. 108423, October 2022. [Online: July 2022] doi: 10.1016/j.epsr.2022.108423
JCR-JIF: 3,900 Q2 (2022); 4,300 Q2 (2025) - SJR: 1,099 Q1 (2022); 1,192 Q1 (2025)
M. Rajabdorri, L. Sigrist, E. Lobato, "Liquid air energy storage model for scheduling purposes in island power systems", Energies, Vol. 15, nº. 19, pp. 6958, October 2022. [Online: September 2022] doi: 10.3390/en15196958
JCR-JIF: 3,200 Q3 (2022); 3,900 Q3 (2025) - SJR: 0,632 Q1 (2022); 0,748 Q1 (2025)
O. Oladimeji, A. Ortega, L. Sigrist, L. Rouco, P. Sánchez, E. Lobato, "Optimal participation of heterogeneous, RES-based virtual power plants in energy markets", Energies, Vol. 15, nº. 9, pp. 3207, May 2022. [Online: April 2022] doi: 10.3390/en15093207
JCR-JIF: 3,200 Q3 (2022); 3,900 Q3 (2025) - SJR: 0,632 Q1 (2022); 0,748 Q1 (2025)
K. Doenges, L. Sigrist, I. Egido, E. Lobato, L. Rouco, "Wind farms in AGC: modelling, simulation and validation", IET Renewable Power Generation, Vol. 16, nº. 1, pp. 139 - 147, January 2022. [Online: September 2021] doi: 10.1049/rpg2.12273
JCR-JIF: 2,600 Q3 (2022); 3,200 Q2 (2025) - SJR: 0,867 Q2 (2022); 0,784 Q2 (2025)
M. Rajabdorri, L. Sigrist, E. Lobato, M.C. Prats, F.M. Echavarren, "Viability of providing spinning reserves by RES in Spanish island power systems", IET Renewable Power Generation, Vol. 15, nº. 13, pp. 2878 - 2890, October 2021. [Online: May 2021] doi: 10.1049/rpg2.12216
JCR-JIF: 3,034 Q2 (2021); 3,200 Q2 (2025) - SJR: 1,132 Q2 (2021); 0,784 Q2 (2025)
J. Renedo, A. García-Cerrada, L. Rouco, L. Sigrist, "Coordinated design of supplementary controllers in VSC-HVDC multi-terminal systems to damp electromechanical oscillations", IEEE Transactions on Power Systems, Vol. 36, nº. 1, pp. 712 - 721, January 2021. [Online: June 2020] doi: 10.1109/TPWRS.2020.3003281
JCR-JIF: 7,326 Q1 (2021); 8,700 Q1 (2025) - SJR: 4,638 Q1 (2021); 4,217 Q1 (2025)
K. Doenges, I. Egido, L. Sigrist, E. Lobato, L. Rouco, "Improving AGC performance in power systems with regulation response accuracy margins using Battery Energy Storage System (BESS)", IEEE Transactions on Power Systems, Vol. 35, nº. 4, pp. 2816 - 2825, July 2020. [Online: December 2019] doi: 10.1109/TPWRS.2019.2960450
JCR-JIF: 6,663 Q1 (2020); 8,700 Q1 (2025) - SJR: 3,312 Q1 (2020); 4,217 Q1 (2025)
E. Lobato, K. Doenges, I. Egido, L. Sigrist, "Limits to wind aggregation: empirical assessment in the Spanish electricity system", Renewable Energy, Vol. 147, nº. Part 1, pp. 1321 - 1330, March 2020. [Online: September 2019] doi: 10.1016/j.renene.2019.09.089
JCR-JIF: 8,001 Q1 (2020); 9,100 Q1 (2025) - SJR: 1,825 Q1 (2020); 1,889 Q1 (2025)
I. Saboya, E. Lobato, I. Egido, L. Sigrist, "Machine learning based algorithms to dispatch multiple rapid-start units in AGC of power systems", International Journal of Electrical Power & Energy Systems, Vol. 115, pp. 105412, February 2020. [Online: July 2019] doi: 10.1016/j.ijepes.2019.105412
JCR-JIF: 4,630 Q1 (2020); 5,300 Q1 (2025) - SJR: 1,050 Q1 (2020); 1,482 Q1 (2025)
J. Renedo, A. García-Cerrada, L. Rouco, L. Sigrist, "Coordinated control in VSC-HVDC Multi- terminal systems to improve transient stability: the impact of communication latency", Energies, Vol. 12, nº. 19, pp. 3638, October 2019. [Online: September 2019] doi: 10.3390/en12193638
JCR-JIF: 2,702 Q3 (2019); 3,900 Q3 (2025) - SJR: 0,635 Q2 (2019); 0,748 Q1 (2025)
J. Renedo, L. Rouco, A. García-Cerrada, L. Sigrist, "A communication-free reactive-power control strategy in VSC-HVDC multi-terminal systems to improve transient stability", Electric Power Systems Research, Vol. 174, pp. 105854, September 2019. [Online: May 2019] doi: 10.1016/j.epsr.2019.04.032
JCR-JIF: 3,211 Q2 (2019); 4,300 Q2 (2025) - SJR: 1,042 Q1 (2019); 1,192 Q1 (2025)
I. Saboya, I. Egido, E. Lobato, L. Sigrist, "MOPSO-tuning of a threshold-based algorithm to start up and shut-down rapid-start units in AGC", International Journal of Electrical Power & Energy Systems, Vol. 108, pp. 153 - 161, June 2019. [Online: January 2019] doi: 10.1016/j.ijepes.2018.12.038
JCR-JIF: 3,588 Q1 (2019); 5,300 Q1 (2025) - SJR: 1,203 Q1 (2019); 1,482 Q1 (2025)
L. Sigrist, J.M. Fernández de Bobadilla Navarrete, E. Lobato, L. Rouco, I. Saboya, L. Díez Maroto, "Modelling of a thermo-electric energy management system including heat pumps for an off-grid system", IET Renewable Power Generation, Vol. 13, nº. 6, pp. 961 - 972, April 2019. [Online: January 2019] doi: 10.1049/iet-rpg.2018.5505
JCR-JIF: 3,894 Q1 (2019); 3,200 Q2 (2025) - SJR: 1,301 Q1 (2019); 0,784 Q2 (2025)
L. Sigrist, L. Rouco, F.M. Echavarren, "A review of the state of the art of UFLS schemes for isolated power systems", International Journal of Electrical Power & Energy Systems, Vol. 99, pp. 525 - 539, July 2018. [Online: February 2018] doi: 10.1016/j.ijepes.2018.01.052
JCR-JIF: 4,418 Q1 (2018); 5,300 Q1 (2025) - SJR: Q1 (2018); 1,482 Q1 (2025)
L. Sigrist, L. Rouco, "An induction motor model for system frequency response models", International Transactions on Electrical Energy Systems, Vol. 27, nº. 11, pp. e2413, November 2017. [Online: September 2017] doi: 10.1002/etep.2413
JCR-JIF: 1,619 Q3 (2017); 2,600 Q3 (2025) - SJR: Q2 (2017); 0,559 Q2 (2025)
E. Lobato, L. Sigrist, L. Rouco, "Value of electric interconnection links in remote island power systems: the Spanish Canary and Balearic archipelago cases", International Journal of Electrical Power & Energy Systems, Vol. 91, pp. 192 - 200, October 2017. [Online: April 2017] doi: 10.1016/j.ijepes.2017.03.014
JCR-JIF: 3,610 Q1 (2017); 5,300 Q1 (2025) - SJR: Q1 (2017); 1,482 Q1 (2025)
D. López, L. Sigrist, "A centralized UFLS scheme using decision trees for small isolated power systems", IEEE Latin America Transactions, Vol. 15, nº. 10, pp. 1888 - 1893, October 2017. [Online: October 2017] doi: 10.1109/TLA.2017.8071232
JCR-JIF: 0,502 Q4 (2017); 1,600 Q3 (2025) - SJR: Q2 (2017); 0,385 Q2 (2025)
L. Sigrist, E. Lobato, L. Rouco, M. Gazzino, M. Cantù, "Economic assessment of smart grid initiatives for island power systems", Applied Energy, Vol. 189, pp. 403 - 415, March 2017. [Online: December 2016] doi: 10.1016/j.apenergy.2016.12.076
JCR-JIF: 7,900 Q1 (2017); 12,200 Q1 (2025) - SJR: Q1 (2017); 2,864 Q1 (2025)
L. Sigrist, K. May, A. Morch, P. Verboven, P. Vingerhoets, L. Rouco, "On scalability and replicability of smart grid projects - a case study", Energies, Vol. 9, nº. 3, pp. 195, March 2016. [Online: March 2016] doi: 10.3390/en9030195
JCR-JIF: 2,262 Q3 (2016); 3,900 Q3 (2025) - SJR: Q1 (2016); 0,748 Q1 (2025)
L. Sigrist, "A UFLS scheme for small isolated power systems using rate-of-change of frequency", IEEE Transactions on Power Systems, Vol. 30, nº. 4, pp. 2192 - 2193, July 2015. [Online: September 2014] doi: 10.1109/TPWRS.2014.2357218
JCR-JIF: 3,342 Q1 (2015); 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)
L. Sigrist, I. Egido, E. Lobato, L. Rouco, "Sizing and controller setting of ultracapacitors for frequency stability enhancement of small isolated power systems", IEEE Transactions on Power Systems, Vol. 30, nº. 4, pp. 2130 - 2138, July 2015. [Online: September 2014] doi: 10.1109/TPWRS.2014.2356721
JCR-JIF: 3,342 Q1 (2015); 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)
I. Egido, L. Sigrist, E. Lobato, L. Rouco, A. Barrado, "An ultra-capacitor for frequency stability enhancement in small-isolated power systems: models, simulation and field tests", Applied Energy, Vol. 137, pp. 670 - 676, January 2015. [Online: September 2014] doi: 10.1016/j.apenergy.2014.08.041
JCR-JIF: 5,746 Q1 (2015); 12,200 Q1 (2025) - SJR: 2,864 Q1 (2025)
L. Sigrist, E. Lobato, L. Rouco, "Energy storage systems providing primary reserve and peak shaving in small isolated power systems: an economic assessment", International Journal of Electrical Power & Energy Systems, Vol. 53, pp. 675 - 683, December 2013. [Online: June 2013] doi: 10.1016/j.ijepes.2013.05.046
JCR-JIF: Q1 (2013); 5,300 Q1 (2025) - SJR: Q1 (2013); 1,482 Q1 (2025)
L. Sigrist, I. Egido, L. Rouco, "Principles of a centralized UFLS scheme for small isolated power systems", IEEE Transactions on Power Systems, Vol. 28, nº. 2, pp. 1779 - 1786, May 2013. [Online: December 2012] doi: 10.1109/TPWRS.2012.2227839
JCR-JIF: 3,530 Q1 (2013); 8,700 Q1 (2025) - SJR: Q1 (2013); 4,217 Q1 (2025)
L. Sigrist, I. Egido, L. Rouco, "Performance analysis of UFLS schemes of small isolated power systems", IEEE Transactions on Power Systems, Vol. 27, nº. 3, pp. 1673 - 1680, August 2012. [Online: February 2012] doi: 10.1109/TPWRS.2011.2182066
JCR-JIF: 2,921 Q1 (2012); 8,700 Q1 (2025) - SJR: Q1 (2012); 4,217 Q1 (2025)
L. Sigrist, I. Egido, L. Rouco, "A method for the design of UFLS schemes of small isolated power systems", IEEE Transactions on Power Systems, Vol. 27, nº. 2, pp. 951 - 958, May 2012. [Online: December 2011] doi: 10.1109/TPWRS.2011.2174448
JCR-JIF: 2,921 Q1 (2012); 8,700 Q1 (2025) - SJR: Q1 (2012); 4,217 Q1 (2025)
L. Sigrist, I. Egido, E.F. Sánchez-Úbeda, L. Rouco, "Representative operating and contingency scenarios for the design of UFLS schemes", IEEE Transactions on Power Systems, Vol. 25, nº. 2, pp. 906 - 913, May 2010. [Online: November 2009] doi: 10.1109/TPWRS.2009.2031839
JCR-JIF: 2,355 (2010); 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)

show 62 journal publications

Projects

show 96 projects

Ph.D. Thesis

Developed:

L. Sigrist, "Design of underfrequency load-shedding schemes of small isolated power systems", PhD. dissertation, Comillas Pontifical University, Madrid, Spain, 2010.

Supervised:

A. Tomás-Martín, "Multi-agent control strategies for the islanded and grid-connected operation of microgrids with 100% electronic generation", PhD. dissertation, Comillas Pontifical University, Madrid, Spain, 2025.
M. Rajabdorri, "Island system operation with high degree of renewable energy resources: proposing solutions for smaller power systems to ease the transition to clean energy generation", PhD. dissertation, Comillas Pontifical University, Madrid, Spain, 2023.

In progress:

O. Oladimeji , "Real-Time Operation of RES-based Virtual Power Plants", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.
A. Cedenilla Bote, "WIDE-AREA OSCILLATIONS OF LOW FREQUENCY WITH IBRs", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.
M. Khalifa , "Contribution of Energy Storage Systems to the Stability of Low-inertia Power Systems", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.
O. Arenas Crespo, "Methodologies for Selecting Feeders in Underfrequency Load Shedding Schemes", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.
M. Córdoba Ocaña, "Methodology for Determination of Reserve Needs", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.
J. Gutiérrez Florensa , "A Geometric Framework for Defining and Interpreting Frequency and Operating Conditions in Modern Power Systems", PhD. dissertation, Comillas Pontifical University, Madrid, Spain.

show 9 Ph.D. Thesis

Conference Papers

show 85 conference papers

Books and Book Chapters

show 3 books and book chapters

Invited Conferences and Seminars

Conference "System protection in island power systems with high renewable penetration. Special session: Challenges and solutions for islands with large-scale integration of renewables" 14th IEEE PowerTech Conference 2021. Institute of Electrical and Electronics Engineers Power and Energy Society (IEEE PES); y Universidad Pontificia Comillas. Online. Jul 2021.
Conference "As grids get greener with more wind and PV, what new requirements will emerge and how might CSP + TES meet those needs?. Session 6: Grid needs in the future" The role of concentrating solar power in the evolving energy market in the Western U.S. ata renewables. Sacramento (United States of America). Feb 2020.
Conference "Island systems" Course on Low Inertia Power Systems. Universidad Pontificia Comillas. Madrid (Spain). Apr 2019.
Round table "Studies on the technical and economic potential of renewable energy on the Canary Islands" Jornada «Un futuro renovable para Canarias». Asociación para el Progreso de la Dirección (APD) Asociación Canaria de Energías Renovables (Acer). Tenerife (Spain). Mar 2019.
Presentation "Electrification" The power of Knowledge for a clean energy future. Enel Foundation. Rome (Italy). Oct 2018.
Workshop "Session 4: «Special considerations regarding frequency stability, protection coordination studies and defense plans when integrating high shares of VRE in island systems»" Workshop on «Planning and Operating the Electricity System with High Shares of Variable Renewables». International Renewable Energy Agency (IRENA). Havana (Cuba). Aug 2016.
Conference "Model for PSS / E of a multiterminal HVDC-VSC system: static and dynamic regime" III Jornada Técnica de I+D. Comité Nacional de España de CIGRE; ICAI (Universidad Pontificia Comillas). Madrid (Spain). Apr 2014.
Seminar "Design of UFLS schemes of small isolatedp power systems" Next Generation of Researchers in Power Systems 2012. Universidad Pontificia Comillas; y Universidad Castilla-La Mancha. Villarino de los Aires (Spain). Oct 2012.
Conference "Frequency stability boundary of small isolated power systems" 7th Workshop on Industrial Systems and Energy Technologies - JOSITE'2011. Instituto de Investigación Tecnológica. Universidad Pontificia Comillas. Madrid (Spain). Jun 2011.

show 9 invited conferences and seminars

Organization of Scientific Meetings

Organization of "21th International Conference on Renewable Energy and Power Quality - ICREPQ'23". European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ); Universidad de Vigo; y Universidad Pontificia Comillas. Madrid (Spain). May 2023.
Organization of "Closing session 2022". IEEE PES España. Madrid (Spain). Dec 2022.
Organization of "14th IEEE PowerTech Conference 2021" Tutorial and students activities chair. Institute of Electrical and Electronics Engineers Power and Energy Society (IEEE PES); y Universidad Pontificia Comillas. Madrid (Spain). Jun - Jul 2021.
Organization of "International Conference on Renewable Energy and Power Quality - ICREPQ’16 " https://goo.gl/v24vH9. European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ); Universidad de Vigo; y Universidad Pontificia de Comillas. Madrid (Spain). May 2016.
Organization of "Next Generation of Researchers in Power Systems 2012". Universidad Pontificia Comillas; y Universidad Castilla-La Mancha. Villarino de los Aires (Spain). Oct 2012.

show 5 organization of scientific meetings

Technical Reports

show 3 technical reports

Working Papers

show 13 working papers

External Training Courses

Smart Grids Academy support. Carried out for Asociación de Industrias de Conocimiento y Tecnología de Euskadi (GAIA). Apr/2025-Jan/2030
EES-UETP Course on synchronous compensators. Carried out for EES-UETP. Jun/2024-Jun/2024
Course on power syetm protection fundamentals. Carried out for Red Eléctrica de España, S.A. Jul/2022-Sep/2022
Course on small-signal stability of power systems. Carried out for Red Eléctrica de España. Sep/2021-Sep/2021
Course on grid integration of renewable generation. Carried out for Acciona, S.A. Mar/2021-Mar/2021
Support on «IRENA’s workshop for the Clean Energy Corridor of Central America». Carried out for International Renewable Energy Agency (IRENA). Nov/2019-Jan/2020
EES-UETP Course on low inertia power systems. Carried out for EES-UETP. Apr/2019-Apr/2019
Support on «IRENA’s workshop for the Clean Energy Corridor of Central America». Carried out for International Renewable Energy Agency (IRENA). Nov/2018-Jan/2019
Worshop ADB. Carried out for Banco Asiático de Desarrollo (ADB). Sep/2015-Oct/2015
"Practical course on power drives". Universidad Pontificia Comillas, Madrid (Spain). Jun 2015.
"Practical course on power drives". Universidad Pontificia Comillas, Madrid (Spain). Jun 2015.
"Theoretical course on power drives". Universidad Pontificia Comillas, Madrid (Spain). Jun 2015.

show 12 external training courses

External Relevant Positions

Secretary of the Spanish Chapter of the IEEE Power & Energy Society - IEEE PES IEEE Power & Energy Society (IEEE PES). Piscataway (United States of America). Oct 2019 - Today.
Member of Working Group 2018-3 Congrès International des Réseaux Electriques de Distribution (CIRED). Liege (Belgium). Mar 2018 - Today.
Editor at "IET Generation, Transmission & Distribution" The Institution of Engineering and Technology - IET. Hertford (United Kingdom). Aug 2017 - Apr 2023.
Treasurer of the Spanish Chapter of the IEEE Power & Energy Society - IEEE PES IEEE Power & Energy Society (IEEE PES). Piscataway (United States of America). Jul 2017 - Sep 2019.

show 4 external relevant positions

Media and research dissemination

"The future of offshore wind power: building the energy system of tomorrow". Revista Comillas. Nº116, p.27. (Jul 2026)
"Researching from the roots". Revista Comillas. Nº111, p.28-31. (Dec 2023)

show 2 media and research dissemination

Fellowships and Awards

«Coordinated tuning of multiple power oscillation damping controllers of HVDC links: Application to a large-scale power system» "Best Poster Award of the IEEE Power & Energy Society International Meeting - IEEE PESIM 2026". Institute of Electrical and Electronics Engineers Power and Energy Society (IEEE PES); y Hongkong Polytechnic University (PolyU). Hong Kong (China). Jan 2026.
«POSYTYF. Powering system flexibility in the future through RES (Horizon 2020. Grant agreement No. 883985)» "10th annual ISGAN Runner-up Award of Excellence". International Smart Grid Action Network (ISGAN); y Global Smart Energy Federation (GSEF). Foz do Iguaçu (Brazil). Sep - Oct 2024.
Director of prizewinning work in "Iberdrola Prize for the best Final Year Project 2022-23. PFC Supervisor «Virtual synchronous machines - providing inertia in low-inertia RES power systems» by E. J. Valdivielso". Universidad Pontificia Comillas. Madrid (Spain). Apr 2024.
Director of prizewinning work in "Iberdrola Prize for the best Final Year Project 2021-22. PFC Supervisor «System protection of island power system under large shares of RES» by Mónica Vadillo Díaz de Aguilar". Universidad Pontificia Comillas. Madrid (Spain). Apr 2023.
Director of prizewinning work in "Iberdrola Prize for the best Final Year Project 2019-20. PFC Supervisor «Despacho económico con decisiones de arranque basado en reglas a través de un árbol de decisión» by Silvia del Olmo Muñoz". Universidad Pontificia Comillas. Madrid (Spain). Mar 2021.
«Design of Underfrequency Load-Shedding Schemes of Small Isolated Power Systems» "Premiado en 12th European Talent Award for Innovative Energy Systems". European Foundation for Power Engineering (EFPE). Amsterdam (Netherlands). Jun 2010.

show 6 fellowships and awards

Other Activities

Doctoral Defense Committee of "Robin, M.G. «DC Segmentation Of Electrical Grids To Improve Power System Stability»". Universidad Pontificia Comillas. Madrid (Spain). Jan 2025.
Doctoral Defense Committee of "Morán Río, D.P. «Contributions to the analysis and design of primary and secondary controllers of electronic power converters in power systems»". Universidad Pontificia Comillas. Madrid (Spain). May 2024.
Doctoral Defense Committee of "Jankovic, N. « Power oscillation damping with converter interfaced generation»". Universidad Pontificia Comillas. Madrid (Spain). Apr 2024.
Doctoral Defense Committee of "Postigo Marcos, F.E. «Algorithms for distribution system planning: applications to U.S. synthetic networks and improving resilience through microgrids»". Universidad Pontificia Comillas. Madrid (Spain). Nov 2022.
Organization of "EES-UETP Course on Low Inertia Power Systems". Universidad Pontificia Comillas. Madrid (Spain). Apr 2019.
Reviewer in "Sustainable Energy, Grids and Networks". Elsevier Science BV. Amsterdam (Netherlands). Feb 2018 - Today.
Reviewer in "International Journal of Electrical Power & Energy Systems - IJEPES". Elsevier SCI Ltd. Oxford (United Kingdom). Jan 2018 - Today.
Reviewer in "Energy Conversion and Management". Pergamon-Elsevier Science Ltd. Oxford (United Kingdom). Oct 2017 - Today.
Doctoral Defense Committee of "Rodríguez Calvo, A. «Scalability and replicability of the impact of smart grid solutions in distribution systems»". Universidad Pontificia Comillas. Madrid (Spain). Jun 2017.
Reviewer in "Energies". MDPI AG. Basel (Switzerland). Aug 2016 - Today.
Reviewer in "International Transactions on Electrical Energy Systems". Wiley-Blackwell. Hoboken (United States of America). Jul 2015 - Today.
Reviewer in "IEEE Transactions on Power Delivery". Institute of Electrical and Electronics Engineers Inc. - IEEE. Piscataway (United States of America). Jul 2015 - Today.
Reviewer in "Electric Power Systems Research". Elsevier Science Ltd. Lausanne (Switzerland). Jan 2014 - Today.
Reviewer in "Power Engineering Letters". IEEE Power & Energy Society (IEEE PES). Piscataway (United States of America). Nov 2013 - Today.
Reviewer in "IEEE Transactions on Smart Grid". Institute of Electrical and Electronics Engineers Inc. - IEEE. Piscataway (United States of America). Sep 2012 - Today.
Reviewer in "IET Generation,Transmission and Distribution". Institute for Engineering and Technology (IET). Quebec (Canada). Nov 2011 - Today.
Reviewer in "IEEE Transactions on Power Systems". Institute of Electrical and Electronics Engineers Inc. - IEEE. Piscataway (United States of America). Dec 2010 - Today.

show 17 other activities

Dr. Lukas Sigrist

Highlighted Publications

Journal Publications

J. Gutiérrez-Florensa, A. Ortega, L. Sigrist, F. Milano, "Sinusoidality Index", IEEE Transactions on Power Delivery, doi: 10.1109/TPWRD.2026.3709621 In press: July 2026. JCR-JIF: 4,700 Q2 (2025) - SJR: 1,720 Q1 (2025)

S. Rezaeian-Marjani, L. Sigrist, A. García-Cerrada, "Dynamic Cascading Simulations of Hybrid AC/DC Power Systems in PSS/E", Energies, Vol. 19, nº. 7, pp. 1611, April 2026. [Online: March 2026] doi: 10.3390/en19071611 JCR-JIF: 3,900 Q3 (2025) - SJR: 0,748 Q1 (2025)

S. Bindu, L. Sigrist, J.P. Chaves, "Frequency stability services to compensate for low inertia in renewable-dominated power systems", Utilities Policy, Vol. 95, pp. 101938, August 2025. [Online: April 2025] doi: 10.1016/j.jup.2025.101938 JCR-JIF: 4,900 Q2 (2025); - SJR: 1,073 Q1 (2025);

L. Sigrist, "A UFLS scheme for small isolated power systems using rate-of-change of frequency", IEEE Transactions on Power Systems, Vol. 30, nº. 4, pp. 2192 - 2193, July 2015. [Online: September 2014] doi: 10.1109/TPWRS.2014.2357218 JCR-JIF: 3,342 Q1 (2015); 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)

Projects

J. Gutiérrez-Florensa, A. Ortega, L. Sigrist, F. Milano, "Sinusoidality Index", IEEE Transactions on Power Delivery, doi: 10.1109/TPWRD.2026.3709621 In press: July 2026.
JCR-JIF: 4,700 Q2 (2025) - SJR: 1,720 Q1 (2025)

S. Rezaeian-Marjani, L. Sigrist, A. García-Cerrada, "Dynamic Cascading Simulations of Hybrid AC/DC Power Systems in PSS/E", Energies, Vol. 19, nº. 7, pp. 1611, April 2026. [Online: March 2026] doi: 10.3390/en19071611
JCR-JIF: 3,900 Q3 (2025) - SJR: 0,748 Q1 (2025)

S. Bindu, L. Sigrist, J.P. Chaves, "Frequency stability services to compensate for low inertia in renewable-dominated power systems", Utilities Policy, Vol. 95, pp. 101938, August 2025. [Online: April 2025] doi: 10.1016/j.jup.2025.101938
JCR-JIF: 4,900 Q2 (2025); - SJR: 1,073 Q1 (2025);

L. Sigrist, "A UFLS scheme for small isolated power systems using rate-of-change of frequency", IEEE Transactions on Power Systems, Vol. 30, nº. 4, pp. 2192 - 2193, July 2015. [Online: September 2014] doi: 10.1109/TPWRS.2014.2357218
JCR-JIF: 3,342 Q1 (2015); 8,700 Q1 (2025) - SJR: 4,217 Q1 (2025)