S. I. Serna-Garces, J. D. Bastidas-Rodr¿guez, and C. A. Ramos-Paja:
¿Reconfiguration of urban photovoltaic arrays using commercial devices,¿ Energies, vol. 9, no. 1, p. 2, 2016.
S. I. Serna-Garces, D. Gonzales, and C. A. Ramos-Paja:
¿Sliding-mode control of a charger/discharger dc/dc converter for dc-bus regulation in renewable power systems,¿ Energies, vol. 9, no. 4, p. 245, 2016.
M. Orozco-Gutierrez, G. Petrone, J. Ramirez-Scarpetta, G. Spagnuolo, and C. Ramos-Paja:
¿A method for the fast estimation of the maximum power points in mismatched pv strings,¿ Electric Power Systems Research, vol. 121, no. 0, pp. 115 ¿ 125, 2015.
G. Spagnuolo, G. Petrone, B. Lehman, C. Ramos-Paja, Y. Zhao, and M. Orozco Gutierrez:
¿Control of photovoltaic arrays: Dynamical reconfiguration for fighting mismatched conditions and meeting load requests,¿ IEEE Industrial Electronics Magazine, vol. 9, pp. 62¿76, March 2015.
J. Bastidas-Rodriguez, E. Franco, G. Petrone, C. Ramos-Paja, and G. Spagnuolo:
¿Model-based degradation analysis of photovoltaic modules through series resistance estimation,¿ IEEE Transactions on Industrial Electronics, vol. 62, no. 11, pp. 7256¿7265, 2015.
P. A. Ortiz and C. A. Ramos-Paja:
¿Sliding-mode controller for maximum power point tracking in grid-connected photovoltaic systems,¿ Energies, vol. 8, no. 11, pp. 12363¿12387, 2015.
M. Orozco-Gutierrez, J. Ramirez-Scarpetta, G. Spagnuolo, and C. Ramos-Paja:
¿A method for simulating large pv arrays that include reverse biased cells,¿ Applied Energy, vol. 123, no. 0, pp. 157 ¿ 167, 2014.
C. A. Ramos-Paja, G. Spagnuolo, G. Petrone, and E. Mamarelis:
¿A perturbation strategy for fuel consumption minimization in polymer electrolyte membrane fuel cells: Analysis, design and fpga implementation,¿ Applied Energy, vol. 119, no. 0, pp. 21 ¿ 32, 2014.
J. Bastidas-Rodriguez, E. Franco, G. Petrone, C. Ramos-Paja, and G. Spagnuolo:
¿Maximum power point tracking architectures for photovoltaic systems in mismatching conditions: a review,¿ Power Electronics, IET, vol. 7, no. 6, pp. 1396¿1413, 2014.
E. Bianconi, J. Calvente, R. Giral, E. Mamarelis, G. Petrone, C. Ramos-Paja, G. Spagnuolo, and M. Vitelli:
¿A fast current-based mppt technique employing sliding mode control,¿ Industrial Electronics, IEEE Transactions on, vol. 60, pp. 1168¿1178, March 2013.
J. Bastidas, E. Franco, G. Petrone, C. Ramos-Paja, and G. Spagnuolo:
¿A model of photovoltaic fields in mismatching conditions featuring an improved calculation speed,¿ Electric Power Systems Research, vol. 96, no. 0, pp. 81 ¿ 90, 2013.
M. Orozco-Gutierrez, J. Ramirez-Scarpetta, G. Spagnuolo, and C. Ramos-Paja:
¿A technique for mismatched pv array simulation,¿ Renewable Energy, vol. 55, no. 0, pp. 417 ¿ 427, 2013.
E. Arango, C. Ramos-Paja, J. Calvente, R. Giral, and S. Serna-Garces:
¿Asymmetrical interleaved dc/dc switching converters for photovoltaic and fuel cell applications-part 2: Control-oriented models,¿ Energies, vol. 6, no. 10, pp. 5570¿5596, 2013.
L. Grisales-Noreña, O. D. Montoya, and C. A. Ramos-Paja:
¿An energy management system for optimal operation of bss in dc distributed generation environments based on a parallel pso algorithm,¿ Journal of Energy Storage, vol. 29, p. 101488, 2020.
L. F. Grisales-Norena, O. D. Garzon-Rivera, C. A. Ramirez-Vanegas, O. D. Montoya, and C. A. Ramos-Paja:
¿Application of the backward/forward sweep method for solving the power flow problem in dc networks with radial structure,¿ Journal of Physics: Conference Series, vol. 1448, p. 012012, 2020.
J. Villegas-Ceballos, S. Serna-Garces, D. Gonzalez-Montoya, C. Ramos-Paja, and J. Bastidas- Rodriguez:
¿Charger/discharger dc/dc converter with interleaved configuration for dc-bus regulation and battery protection,¿ Energy Science & Engineering, vol. 8, no. 2, pp. 530¿543, 2020.
E. E. Henao-Bravo, A. J. Saavedra-Montes, C. A. Ramos-Paja, J. D. Bastidas-Rodriguez, and D. G. Montoya:
¿Charging/discharging system based on zeta/sepic converter and a sliding mode controller for dc bus voltage regulation,¿ IET Power Electronics, vol. 13, no. 8, pp. 1514¿1527, 2020.
E. E. Henao-Bravo, C. A. Ramos-Paja, A. J. Saavedra-Montes, D. Gonzalez-Montoya, and J. Sierra- Perez:
¿Design method of dual active bridge converters for photovoltaic systems with high voltage gain,¿ Energies, vol. 13, no. 7, p. 1711, 2020.
L. F. Grisales-Noreña, C. A. Ramos-Paja, D. Gonzalez-Montoya, G. Alcala, and Q. Hernandez- Escobedo:
¿Energy management in pv based microgrids designed for the universidad nacional de colombia,¿ Sustainability, vol. 12, no. 3, p. 1219, 2020.
J. Velez-Sanchez, J. D. Bastidas-Rodriguez, C. A. Ramos-Paja, D. Gonzalez-Montoya, and L. A. Trejos- Grisales:
¿A non-invasive procedure for estimating the exponential model parameters of bypass diodes in photovoltaic modules,¿ Energies, vol. 12, no. 2, p. 303, 2019.
M. Orozco-Gutierrez, G. Spagnuolo, C. Ramos-Paja, J. Ramirez-Scarpetta, and B. Ospina-Agudelo:
¿Enhanced simulation of total cross tied photovoltaic arrays,¿ Mathematics and Computers in Simulation, vol. 158, pp. 49¿64, 2019.
D. Gonzalez-Montoya, P. A. Ortiz, and C. A. Ramos-Paja:
¿Fixed-frequency implementation of sliding- mode controllers for photovoltaic systems,¿ International Journal of Energy and Environmental Engineering, vol. 10, no. 3, pp. 287¿305, 2019.
L. Grisales-Noreña, O. Garzon-Rivera, O. D. Montoya, and C. Ramos-Paja, ¿Hybrid metaheuristic optimization methods for optimal location and sizing dgs in dc networks:
¿Applied Computer Sciences in Engineering - Communications in Computer and Information Science, vol. 1052, pp. 214¿225, 2019.
D. Gonzalez-Montoya, J. D. Bastidas-Rodriguez, L. A. Trejos-Grisales, C. A. Ramos-Paja, G. Petrone, and G. Spagnuolo:
¿A procedure for modeling photovoltaic arrays under any configuration and shading conditions,¿ Energies, vol. 11, no. 4, p. 767, 2018.
S. I. Serna-Garces, D. Gonzalez-Montoya, and C. A. Ramos-Paja:
¿Control of a charger/discharger dc/dc converter with improved disturbance rejection for bus regulation,¿ Energies, vol. 11, no. 3, p. 594, 2018.
J. D. Bastidas-Rodriguez, L. A. Trejos-Grisales, D. Gonzalez-Montoya, C. A. Ramos-Paja, G. Petrone, and G. Spagnuolo:
¿General modeling procedure for photovoltaic arrays,¿ Electric Power Systems Research, vol. 155, pp. 67¿79, February 2018.
O. D. Montoya, L. Grisales-Noreña, D. Gonzalez-Montoya, C. Ramos-Paja, and A. Garces:
¿Linear power flow formulation for low-voltage dc power grids,¿ Electric Power Systems Research, vol. 163, pp. 375¿381, 2018.
A. Henao-Muñoz, A. J. Saavedra-Montes, and C. A. Ramos-Paja:
¿Optimal power dispatch of small- scale standalone microgrid located in colombian territory,¿ Energies, vol. 11, no. 7, p. 1877, 2018.
L. F. Grisales-Noreña, D. G. Montoya, and C. A. Ramos-Paja:
¿Optimal sizing and location of distributed generators based on pbil and pso techniques,¿ Energies, vol. 11, no. 4, p. 1018, 2018.
C. A. Ramos-Paja, D. Gonzalez-Montoya, and J. Bastidas-Rodriguez:
¿Sliding-mode control of distributed maximum power point tracking converters featuring overvoltage protection,¿ Energies, vol. 11, no. 9, p. 2220, 2018.
J. Bastidas-Rodriguez, G. Petrone, C. Ramos-Paja, and G. Spagnuolo:
¿A genetic algorithm for iden- tifying the single diode model parameters of a photovoltaic panel,¿ Mathematics and Computers in Simulation, vol. 131, pp. 38¿54, 2017.
C. Ramos-Paja, J. Bastidas-Rodriguez, D. Gonzalez-Montoya, S. Acevedo, and J. Pelaez-Restrepo:
¿Design and control of a buck-boost charger-discharger for dc-bus regulation in microgrids,¿ Energies, vol. 10, no. 11, p. 1847, 2017.
J. Bastidas-Rodriguez, E. Franco, G. Petrone, C. Ramos-Paja, and G. Spagnuolo:
¿Quantification of photovoltaic module degradation using model based indicators,¿ Mathematics and Computers in Simulation, vol. 131, pp. 101¿113, 2017.
G. Petrone, C. Ramos-Paja, G. Spagnuolo, and M. Vitelli:
¿Granular control of photovoltaic arrays by means of a multi-output maximum power point tracking algorithm,¿ Progress in Photovoltaics: Research and Applications, vol. 21, no. 5, pp. 918¿932, 2013.
E. Romero-Cadaval, G. Spagnuolo, L. Garcia Franquelo, C. Ramos-Paja, T. Suntio, and W. Xiao:
¿Grid-connected photovoltaic generation plants: Components and operation,¿ Industrial Electronics Magazine, IEEE, vol. 7, pp. 6¿20, Sept 2013.
E. Bianconi, J. Calvente, R. Giral, E. Mamarelis, G. Petrone, C. A. Ramos-Paja, G. Spagnuolo, and M. Vitelli:
¿Perturb and observe mppt algorithm with a current controller based on the sliding mode,¿ International Journal of Electrical Power & Energy Systems, vol. 44, no. 1, pp. 346 ¿ 356, 2013.
J. D. Bastidas-Rodriguez, C. A. Ramos-Paja, and A. J. Saavedra-Montes:
¿Reconfiguration analysis of photovoltaic arrays based on parameters estimation,¿ Simulation Modelling Practice and Theory, vol. 35, no. 0, pp. 50 ¿ 68, 2013.
S. Serna-Garces, R. Jimenez, and C. Ramos-Paja:
¿Sliding-mode control of a dc/dc postfilter for ripple reduction and efficiency improvement in pol applications,¿ Journal of Applied Mathematics, vol. 2013, 2013.
E. Arango, C. Ramos-Paja, J. Calvente, R. Giral, and S. Serna:
¿Asymmetrical interleaved dc/dc switching converters for photovoltaic and fuel cell applications-part 1: Circuit generation, analysis and design,¿ Energies, vol. 5, no. 11, pp. 4590¿4623, 2012.
A. Saavedra-Montes, C. Ramos-Paja, M. Orozco-Gutierrez, W. Cifuentes, and J. Ramirez-Scarpetta:
¿Calculation of excitation system controllers to fulfill ieee standard performance indexes,¿ Electric Power Systems Research, vol. 89, no. 0, pp. 196 ¿ 203, 2012.
C. Restrepo, C. Ramos-Paja, R. Giral, J. Calvente, and A. Romero:
¿Fuel cell emulator for oxygen excess ratio estimation on power electronics applications,¿ Computers and Electrical Engineering, vol. 38, no. 4, pp. 926 ¿ 937, 2012.
A. Trejos, D. Gonzalez, and C. Ramos-Paja:
¿Modeling of step-up grid-connected photovoltaic systems for control purposes,¿ Energies, vol. 5, no. 6, pp. 1900¿1926, 2012.
D. Gonzalez, C. Ramos-Paja, and G. Petrone:
¿Automated procedure for calculating the controller parameters in photovoltaic dc/dc converters,¿ International Review of Electrical Engineering, vol. 6, no. 7, pp. 3027¿3040, 2011.
C. Ramos-Paja, E. Arango, R. Giral, A. Saavedra-Montes, and C. Carrejo:
¿Dc/dc pre-regulator for input current ripple reduction and efficiency improvement,¿ Electric Power Systems Research, vol. 81, no. 11, pp. 2048 ¿ 2055, 2011.
G. Petrone and C. Ramos-Paja:
¿Modeling of photovoltaic fields in mismatched conditions for energy yield evaluations,¿ Electric Power Systems Research, vol. 81, no. 4, pp. 1003 ¿ 1013, 2011.
C. Ramos-Paja, A. Romero, R. Giral, L. Martinez-Salamero, and C. Sanchez Saenz:
¿Switching and linear power stages evaluation for pem fuel cell emulation,¿ International Journal of Circuit Theory and Applications, vol. 39, no. 5, pp. 475¿499, 2011.
C. Ramos-Paja, R. Giral, L. Martinez-Salamero, J. Romano, A. Romero, and G. Spagnuolo:
¿A pem fuel-cell model featuring oxygen-excess-ratio estimation and power-electronics interaction,¿ Industrial Electronics, IEEE Transactions on, vol. 57, pp. 1914¿1924, June 2010.
C. Ramos-Paja, J. Scarpetta, and L. Mart¿nez-Salamero:
¿Integrated learning platform for internet- based control-engineering education,¿ Industrial Electronics, IEEE Transactions on, vol. 57, pp. 3284¿ 3296, Oct 2010.
C. Ramos-Paja, A. Romero, R. Giral, J. Calvente, and L. Martinez-Salamero:
¿Mathematical analysis of hybrid topologies efficiency for pem fuel cell power systems design,¿ International Journal of Electrical Power and Energy Systems, vol. 32, no. 9, pp. 1049 ¿ 1061, 2010.
C. Ramos-Paja, A. Romero, R. Giral, E. Vidal-Idiarte, and L. Mart¿nez-Salamero:
¿Fuzzy-based modelling technique for pemfc electrical power generation systems emulation,¿ Power Electronics, IET, vol. 2, pp. 241¿255, May 2009.
C. Ramos-Paja, C. Bordons, A. Romero, R. Giral, and L. Martinez-Salamero:
¿Minimum fuel consumption strategy for pem fuel cells,¿ Industrial Electronics, IEEE Transactions on, vol. 56, pp. 685¿696, March 2009.
D. Gonzalez Montoya, C. Ramos-Paja, and R. Giral:
¿Improved design of sliding mode controllers based on the requirements of mppt techniques,¿ IEEE Transactions on Power Electronics, vol. 31, no. 1, pp. 235¿247, 2016.
D. Gonzalez-Montoya, C. A. Ramos-Paja, and R. Giral:
¿Maximum power point tracking of photo- voltaic systems based on the sliding mode control of the module admittance,¿ Electric Power Systems Research, vol. 136, pp. 125¿134, 2016.
M. L. Orozco-Gutierrez, G. Spagnuolo, J. M. Ramirez-Scarpetta, G. Petrone, and C. A. Ramos-Paja:
¿Optimized configuration of mismatched photovoltaic arrays,¿ IEEE Journal of Photovoltaics, vol. 6, no. 5, pp. 1210¿1220, 2016.
