Articles in Journals

2025

1. Santiago-Alberto Ramirez-Marin, Alejandro Garcés-Ruiz, Andres Felipe Cortés-Borray, Angel Perez-Basante, José-Emilio Rodríguez-Seco, Model-predictive control with admittance matrix estimation for the optimal power sharing in isolated DC microgrids, in Electric Power Systems Research,Volume 241,2025,111380,ISSN 0378-7796,https://doi.org/10.1016/j.epsr.2024.111380.

2. Juan-Camilo Oyuela-Ocampo, Alejandro Garcés-Ruiz, Santiago Sanchez-Acevedo, Kjell Ljøkelsøy, Salvatore D’Arco, Continuous Control-Set Model-Predictive Control with stability guarantee for the PWM-VSC, Control Engineering Practice, Volume 157, 2025, 106246,ISSN 0967-0661, https://doi.org/10.1016/j.conengprac.2025.106246.

3. Jhon Torres-Ladino, Walter Gil-González, Alejandro Garcés-Ruiz, An efficient Wirtinger calculus-based algorithm for quasi-dynamic power flow analysis in distribution grids, Electric Power Systems Research,Volume 243,2025,111506,ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2025.111506.

4. Alejandro Garcés-Ruiz, Walter Gil-González, Oscar Danilo Montoya, Quasi-dynamic optimal power-sharing in isolated DC microgrids, Electric Power Systems Research, Volume 239,2025, 111222, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2024.111222. (https://www.sciencedirect.com/science/article/pii/S0378779624011088)

5. Manuel Bravo-López, Alejandro Garcés-Ruiz, Juan Mora-Flórez, Optimal Parameter Calibration for Multiple Droop Controls on Inverter-Dominated Power Systems, Results in Engineering, 2025,103910,ISSN 2590-1230,https://doi.org/10.1016/j.rineng.2024.103910.

6. Montoya, O.D., Gil-González, W. & Garcés, A. An energy management system for PV-STATCOMs in power distribution networks via a complex-domain SDP relaxation. Energy Systems (2025). https://doi.org/10.1007/s12667-024-00717-0

7. A. Véliz et al., "Holistic Cyber-Physical Approach for the Performance Evaluation of Communication and Control Systems in DC Microgrids," in IEEE Journal of Emerging and Selected Topics in Power Electronics, doi: 10.1109/JESTPE.2025.3564851. 

2024

1. A. Garcés-Ruiz, "Estimating the Basin of Attraction for the Power Flow Equations in Power Distribution Networks," in IEEE Transactions on Power Systems, doi: 10.1109/TPWRS.2024.3437649

2. C. González-Castaño, A. Véliz, D. Murillo-Yarce, W. Gil-González, C. Restrepo and A. Garcés, "Passivity–based Control PI for the Versatile Buck-Boost (VBB) Converter," in IEEE Access, doi: 10.1109/ACCESS.2024.3439688.

3. S. Riffo, C. González-Castaño, A. Garcés-Ruiz, F. Flores-Bahamonde, E. Ibáñez and C. Restrepo, "Model Predictive Control With Stability Guarantee for the Versatile Buck-Boost Converter," in IEEE Transactions on Power Electronics, doi: 10.1109/TPEL.2024.3417245

4. Alejandro Garcés-Ruiz, Walter Gil-González, Oscar Danilo Montoya, Stability Analysis for an Ad-Hoc Model Predictive Control in DC/DC Converters with a Constant Power Load, Results in Engineering, 2024, 102262, ISSN 2590-1230, https://doi.org/10.1016/j.rineng.2024.102262.

5. Oscar Danilo Montoya, Alejandro Garcés-Ruiz, Walter Gil-González, "State estimation of DC microgrids using manifold optimization and semidefinite programming", Results in Engineering, Volume 24, 2024, 103175,ISSN 2590-1230, https://doi.org/10.1016/j.rineng.2024.103175.

6. Simón Sepúlveda-García, Oscar Danilo Montoya, Alejandro Garcés, A second-order conic approximation to solving the optimal power flow problem in bipolar DC networks while considering a high penetration of distributed energy resources, International Journal of Electrical Power & Energy Systems, Volume 155, Part A, 2024, 109516, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2023.109516. https://www.sciencedirect.com/science/article/pii/S0142061523005732 

7. A. Garcés-Ruiz, S. Riffo, C. González-Castaño and C. Restrepo, "Model Predictive Control With Stability Guarantee for Second-Order DC/DC Converters," in IEEE Transactions on Industrial Electronics, vol. 71, no. 5, pp. 5157-5165, May 2024, doi: 10.1109/TIE.2023.3283706.

2023

1. Sepulveda, S., Garcés-Ruiz, A. & Mora-Florez, J. Generic optimal power flow for active distribution networks. Electr Eng (2023). https://doi.org/10.1007/s00202-023-02147-0

2. Sepúlveda-García, S., Montoya, O.D. & Garces, A. An efficient operation strategy for dispersed generation sources in bipolar asymmetric DC distribution networks: a sequential quadratic approximation. Energy Systems (2023). https://doi.org/10.1007/s12667-023-00633-9

3. Johanna Castellanos, Carlos Adrián Correa-Flórez, Alejandro Garcés, Gabriel Ordóñez-Plata, César A. Uribe, Diego Patino, An energy management system model with power quality constraints for unbalanced multi-microgrids interacting in a local energy market, Applied Energy, Volume 343, 2023, 121149, ISSN 0306-2619,https://doi.org/10.1016/j.apenergy.2023.121149 (https://www.sciencedirect.com/science/article/pii/S0306261923005135)

2022

1. A. Garcés, O. D. Montoya and W. Gil-González, "Power Flow in Bipolar DC Distribution Networks Considering Current Limits," in IEEE Transactions on Power Systems, vol. 37, no. 5, pp. 4098-4101, Sept. 2022, doi: 10.1109/TPWRS.2022.3181851.

2. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garcés, A successive approximation method for power flow analysis in bipolar DC networks with asymmetric constant power terminals, Electric Power Systems Research, Volume 211,2022,108264,ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2022.108264.

3. Oscar Danilo Montoya, Alejandro Garces, Walter Gil-González, Minimization of the distribution operating costs with D-STATCOMS: A mixed-integer conic model, Electric Power Systems Research, Volume 212, 2022, 108346, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2022.108346.

4. Rios, M.A.; Pérez-Londoño, S.; Garcés, A. Dynamic Performance Evaluation of the Secondary Control in Islanded Microgrids Considering Frequency-Dependent Load Models. Energies 2022, 15, 3976. https://doi.org/10.3390/en15113976 

5. Montoya, O.D.; Gil-González, W.; Garcés, A. On the Conic Convex Approximation to Locate and Size Fixed-Step Capacitor Banks in Distribution Networks. Computation 2022, 10, 32. https://doi.org/10.3390/computation10020032

2021

1. J. C. Castaño, A. Garces and O. B. Fosso, "Short-Term Hydrothermal Scheduling With Solar and Wind Farms Using Second-Order Cone Optimization With Chance-Box Constraints," in IEEE Access, vol. 9, pp. 74095-74109, 2021, doi: 10.1109/ACCESS.2021.3080575. 

2. Miguel Angel Rios, Alejandro Garces, An optimization model based on the frequency dependent power flow for the secondary control in islanded microgrids, Computers & Electrical Engineering, 2021, 107617, ISSN 0045-7906, https://doi.org/10.1016/j.compeleceng.2021.107617. 

3. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garces, Federico Serra, Jesus C. Hernández, Stabilization of MT-HVDC grids via passivity-based control and convex optimization, Electric Power Systems Research, Volume 196, 2021, 107273, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2021.107273.

4. Andrés Felipe Cortés Borray, Julia Merino, Esther Torres, Alejandro Garcés, Javier Mazón, Centralised coordination of EVs charging and PV active power curtailment over multiple aggregators in low voltage networks, Sustainable Energy, Grids and Networks, Volume 27, 2021, 100470, ISSN 2352-4677, https://doi.org/10.1016/j.segan.2021.100470.

5. Andrés Felipe Cortés Borray, Alejandro Garcés, Julia Merino, Esther Torres, Javier Mazó. "New energy bound-based model for optimal charging of electric vehicles with solar photovoltaic considering low-voltage network's constraints", International Journal of Electrical Power & Energy Systems, Volume 129,2021,106862, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2021.106862.

6. Gil-González, W.; Garces, A.; Montoya, O.D.; Hernández, J.C. A Mixed-Integer Convex Model for the Optimal Placement and Sizing of Distributed Generators in Power Distribution Networks. Applied. Sciences. 2021, 11, 627. 

7. Garces, A.; Gil-González, W.; Montoya, O.D.; Chamorro, H.R.; Alvarado-Barrios, L. A Mixed-Integer Quadratic Formulation of the Phase-Balancing Problem in Residential Microgrids. Applied Sciences. 2021, 11, 1972. https://doi.org/10.3390/app11051972 

8. Bravo‐López, M‐F, Garcés, A, Mora‐Flórez, J‐J. Simplified dynamic models for three‐phase microgrids. International Transactions on Electric Energy Systems. 2020;e12742. https://doi.org/10.1002/2050-7038.12742.

2020

1. Alejandro Garces, "Small-signal stability in island residential microgrids considering droop controls and multiple scenarios of generation", Electric Power Systems Research, Volume 185, 2020, 106371, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2020.106371.

2. Walter Gil-González, Oscar Danilo Montoya, Alejandro Garces, "Standard passivity-based control for multi-hydro-turbine governing systems with surge tank", Applied Mathematical Modelling, Volume 79, 2020, Pages 1-17, ISSN 0307-904X, https://doi.org/10.1016/j.apm.2019.11.010.

3. Walter Gil-González, Oscar Danilo Montoya, Alejandro Garces, "Modeling and control of a small hydro-power plant for a DC microgrid", Electric Power Systems Research, Volume 180, 2020, 106104, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2019.106104.

4. W. Gil-González, A. Garcés and O. B. Fosso, "Passivity-Based Control for Small Hydro-Power Generation With PMSG and VSC," in IEEE Access, vol. 8, pp. 153001-153010, 2020, doi: 10.1109/ACCESS.2020.3018027. https://ieeexplore.ieee.org/document/9171250 

5. Walter Gil-González, Oscar Danilo Montoya, Alejandro Garces, "Modeling and control of a small hydro-power plant for a DC microgrid", Electric Power Systems Research, Volume 180,2020, 106104, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2019.106104.

6. Walter Gil-González, Oscar D. Montoya & Alejandro Garces (2020) "Bilinear Control for Three-Phase Microgrids: A Proportional-Integral Passivity-Based Design", Electric Power Components and Systems, 48:4-5, 447-458, DOI: 10.1080/15325008.2020.1793831 

7. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garces, "Numerical methods for power flow analysis in DC networks: State of the art, methods and challenges", International Journal of Electrical Power & Energy Systems, Volume 123, 2020, 106299, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2020.106299.

8. Sofía Avila-Becerril, Gerardo Espinosa-Pérez, Oscar Danilo Montoya, Alejandro Garces, Passivity-based control of islanded microgrids with unknown power loads, IMA Journal of Mathematical Control and Information, , dnaa025, https://doi.org/10.1093/imamci/dnaa025 

2019

1. W. Gil González, A. Garces, O. Fosso and A. Escobar, "Passivity-Based Control of Power Systems Considering Hydro-Turbine with Surge Tank," in IEEE Transactions on Power Systems. doi: 10.1109/TPWRS.2019.2948360 https://ieeexplore.ieee.org/document/8877767

2. Alejandro Garces, Oscar Danilo Montoya, "A Potential Function for the Power Flow in DC Microgrids: An Analysisof the Uniqueness and Existence of the Solution and Convergence of the Algorithms".  Journal of Control, Automation and Electrical Systems.  Springer, (2019) .https://link.springer.com/article/10.1007/s40313-019-00489-4

3. Garcés, A."Stability analysis of DC microgrids:  a gradient formulation", Journal of Control Automation and Electrical Systems (2019). https://doi.org/10.1007/s40313-019-00525-3

4. Walter Gil–-González, Oscar Danilo Montoya, Alejandro Garces, "Direct power control of electrical energy storage systems: A passivity-based PI approach", Electric Power Systems Research, Volume 175, 2019, 105885, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2019.105885.

5. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garces, Power flow approximation for DC networks with constant power loads via logarithmic transform of voltage magnitudes, Electric Power Systems Research, Volume 175, 2019, 105887, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2019.105887.

6. Walter Gil-González, Alejandro Garces, Andrés Escobar, "Passivity-based control and stability analysis for hydro-turbine governing systems", Applied Mathematical Modelling, Volume 68, 2019, Pages 471-486, ISSN 0307-904X, https://doi.org/10.1016/j.apm.2018.11.045.

7. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garces, "Distributed energy resources integration in single-phase microgrids: An application of IDA-PBC and PI-PBC approaches", International Journal of Electrical Power & Energy Systems, Volume 112, 2019, Pages 221-231, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2019.04.046.

8. Walter Gil-González, Oscar Danilo Montoya, Alejandro Garces, Direct power control for VSC-HVDC systems: An application of the global tracking passivity-based PI approach, International Journal of Electrical Power & Energy Systems, Volume 110, 2019, Pages 588-597, ISSN 0142-0615, https://doi.org/10.1016/j.ijepes.2019.03.042.

9. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garces, "Sequential quadratic programming models for solving the OPF problem in DC grids", Electric Power Systems Research, Volume 169, 2019, Pages 18-23, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2018.12.008.

10. Walter Gil-González, Oscar Danilo Montoya, Erika Holguín, Alejandro Garces, Luis Fernando Grisales-Noreña, Economic dispatch of energy storage systems in dc microgrids employing a semidefinite programming model, Journal of Energy Storage, Volume 21, 2019, Pages 1-8, ISSN 2352-152X, https://doi.org/10.1016/j.est.2018.10.025.

2018

1. Alejandro Garces, "On the Convergence of Newton's Method in Power Flow Studies for DC Microgrids," in IEEE Transactions on Power Systems, vol. 33, no. 5, pp. 1-1.doi: 10.1109/TPWRS.2018.2820430, URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8327530&isnumber=4374138 . 

2. S. Sanchez, A. Garces, G. Bergna and E. Tedeschi, "Dynamics and Stability of Meshed Multiterminal HVDC Networks," in IEEE Transactions on Power Systems. https://doi.org/10.1109/TPWRS.2018.2889516

3. Oscar Danilo Montoya, Walter Julian Gil-González and Alejadro Garces, "Optimal Power Flow on DC Microgrids: A Quadratic Convex Approximation," in IEEE Transactions on Circuits and Systems II: Express Briefs. doi: 10.1109/TCSII.2018.2871432 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=8469013&isnumber=4358609

4. O. D. Montoya, W. Gil-González and A. Garces, "Control for EESS in Three–Phase Microgrids Under Time–Domain Reference Frame via PBC Theory," in IEEE Transactions on Circuits and Systems II: Express Briefs. doi: 10.1109/TCSII.2019.2893842

5. O. D. Montoya, A. Garces, S. Avila-Becerril, G. Espinosa-Pérez and F. M. Serra, "Stability Analysis of Single-Phase Low-Voltage AC Microgrids with Constant Power Terminals," in IEEE Transactions on Circuits and Systems II: Express Briefs. https://doi.org/10.1109/TCSII.2018.2878188

6. Oscar Danilo Montoya, L.F. Grisales-Noreña, D. González-Montoya, C.A. Ramos-Paja, Alejandro Garces, "Linear power flow formulation for low-voltage DC power grids", Electric Power Systems Research, Volume 163, Part A, 2018, Pages 375-381, ISSN 0378-7796, https://doi.org/10.1016/j.epsr.2018.07.003.

7. Oscar Danilo Montoya, Walter Gil-González, Alejandro Garcés, Gerardo Espinosa-Pérez, "Indirect IDA-PBC for active and reactive power support in distribution networks using SMES systems with PWM-CSC", Journal of Energy Storage, Volume 17, June 2018, Pages 261-271, ISSN 2352-152X, https://doi.org/10.1016/j.est.2018.03.004.

8. Oscar Danilo Montoya, Alejandro Garcés, Fedérico M. Serra, "DERs integration in microgrids using VSCs via proportional feedback linearization control: Supercapacitors and distributed generators", Journal of Energy Storage, Volume 16, April 2018, Pages 250-258, ISSN 2352-152X, https://doi.org/10.1016/j.est.2018.01.014

9. Walter Gil-González, Oscar Danilo Montoya, Alejandro Garces, Control of a SMES for mitigating subsynchronous oscillations in power systems: A PBC-PI approach, Journal of Energy Storage, Volume 20, 2018, Pages 163-172, ISSN 2352-152X, https://doi.org/10.1016/j.est.2018.09.001.

10. Oscar Danilo Montoya, Alejandro Garcés, Gerardo Espinosa-Pérez, "A generalized passivity-based control approach for power compensation in distribution systems using electrical energy storage systems", Journal of Energy Storage, Volume 16, April 2018, Pages 259-268, ISSN 2352-152X, https://doi.org/10.1016/j.est.2018.01.018

2017 and before

1. O. D. Montoya, A. Grajales, A. Garces and C. A. Castro, "Distribution Systems Operation Considering Energy Storage Devices and Distributed Generation," in IEEE Latin America Transactions, vol. 15, no. 5, pp. 890-900, May 2017. http://ieeexplore.ieee.org/document/7910203/?reload=true

2. A Garces, "Uniqueness of the power flow solutions in low voltage direct current grids", Electric Power Systems Research, Volume 151, October 2017, Pages 149-153, ISSN 0378-7796, http://www.sciencedirect.com/science/article/pii/S0378779617302298.

3. A. Garces. "A linear three-phase load flow for power distribution systems", IEEE Transactions on Power Systems. Vol 31 Issue 1. Jan 2016 (http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7027253)

4. A. Garces. "A quadratic approximation for the optimal power flow in power distribution systems". Electric Power Systems Research, Volume 130, Jan 2016. pages 222-229. ISSN 0378-7796 (http://dx.doi.org/10.1016/j.epsr.2015.09.006)

5. A. Garces, M. Molinas, P. Rodriguez. “A Generalized Compensation Theory for Active Filters based on Mathematical Optimization in ABC Frame”. Electric Power Systems Research. Vol 90-1012.Elsevier. (http://www.sciencedirect.com/science/article/pii/S0378779612000806)

6. R. Jaramillo, A. Garces "Wave Energy: Modeling and Analysis of Power Grid Integration ". In Spanish. IEEE Latin America Transactions. Vol 13. N 12. Dec 2015. (10.1109/TLA.2015.7404920)

7. A. Garces, M. Molinas. “Coordinated Control of Series Connected Offshore Wind Park based on Matrix Converters”. Wind Energy. Wiley. DOI: 10.1002-we.507. (http://onlinelibrary.wiley.com/doi/10.1002/we.507/abstract)

8. A. Garces, M. Molinas. “A Study of Efficiency in a Reduced Matrix Converter for Offshore Wind Farms”. IEEE Transaction on Industrial Electronics. vol 59 N 1. Jan 2012. ISSN 0278-0046. (http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5735217)

9. R. Torres, A. Garces, M. Molinas, T. Underland. “Integration of Offshore Wind Farm Using a Hybrid HVDC Transmission Composed by the PWM Current-Source Converter and Line-Commutated Converter”. IEEE Transactions on Energy Conversion Vol 28 Isue 1 (http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6450068)

10. A. Garces, E. Giraldo. "An adaptive control strategy for a wind energy conversion system based on PWM-CSC and PMSG". IEEE Transactions on Power Systems. Vol 29 Issue 3.(http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6624137).

11. G.Bergna, A. Garcés. E. Berne, F. Egrot, A. Arzande, JC. Vannier, M. Molinas "A generalized power control approach in ABC frame for modular multilevel converter HVDC links based on mathematical optimization". IEEE Transactions on Power Delivery. Vol 29 Issue 1. Feb 2014. (http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6617670).

12. Restrepo C, T. Konjedic, A. Garcés, J. Cavente, R. Giral. "Identification of a proton-exchange membrane fuel cell model parameters by mean of an evolutionary strategy ." IEEE Transactions on Industrial Informatics. Vol 11 Issue 2. Apr 2015. (http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6800006)

13. Correa C.A, Bolaños R. Garces A. "Enhanced multiobjective algorithm for transmission expansion planning considering N.1 security criterion". International Transaction on Electrical Energy Systems. Volume 25, Issue 10 October 2015 Pages 2225–2246: (http://onlinelibrary.wiley.com/doi/10.1002/etep.1958/abstract)

14. Raymundo E. Torres-Olguin, Alejandro Garces, Grid Integration of offshore wind farms using a Hybrid HVDC composed by an MMC with an LCC-based transmission system, Energy Procedia, Volume 137, 2017, Pages 391-400, ISSN 1876-6102, https://doi.org/10.1016/j.egypro.2017.10.363.