Listar Productos de investigación por autor "Garces A."
Mostrando ítems 1-20 de 26
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An Exact Feedback Linearization Control of a SMES System to Support Power in Electrical Grids
Montoya O.D.; Garrido Arévalo, Víctor Manuel; Gil-González W.; Holguín E.; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2018)This paper presents an exact feedback linearization control strategy to operate superconducting magnetic energy storage (SMES) systems connected to an electric distribution network through a pulse-width-modulated current ... -
Control for EESS in Three-Phase Microgrids under Time-Domain Reference Frame via PBC Theory
Montoya O.D.; Gil-González W.; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2019)This brief presents a general form of designing passivity-based controllers for electrical energy storage systems (EESS) in three-phase microgrids (TP-MGs) under time-domain reference frame. The control strategy proposed ... -
Control of a SMES for mitigating subsynchronous oscillations in power systems: A PBC-PI approach
Gil-González W.; Montoya O.D.; Garces A. (Elsevier Ltd, 2018)This paper proposes a methodology to control the active and reactive power of a superconducting magnetic energy storage (SMES) system to alleviate subsynchronous oscillations (SSO) in power systems with series compensated ... -
Controller design for VSCs in distributed generation applications: An IDA-PBC approach
Montoya O.D.; Garrido Arévalo, Víctor Manuel; Gil-González, Walter; Garces A.; Grisales-Noreña L.F. (Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents an asymptotically stable global controller design for distributed energy integration in electrical distribution networks using a three-phase voltage source converter (VSC). An invariant Park's transformation ... -
Current PI Control for PV Systems in DC Microgrids: A PBC Design
Gil-González, Walter; Garces A.; Montoya O.D. (Institute of Electrical and Electronics Engineers Inc., 2019)This paper proposes a passive PI control for applications of photovoltaic (PV) systems integrated with boost DC-DC converters. The proposed controller guarantees asymptotically stability in closed-loop for the boost DC-DC ... -
Direct power control for VSC-HVDC systems: An application of the global tracking passivity-based PI approach
Gil-González W.; Montoya O.D.; Garces A. (Elsevier Ltd, 2019)This paper proposes a direct power control (DPC) for a high-voltage direct-current system using voltage source converters (VSC-HVDC) by applying passivity-based control theory. This system allows doing an efficient and ... -
Direct power control of electrical energy storage systems: A passivity-based PI approach
Gil-González, Walter; Montoya O.D.; Garces A. (Elsevier Ltd, 2019)This paper proposes a direct power control for electrical energy storage systems (EESS) in ac microgrids. This strategy allows managing instantaneous active and reactive power without using a conventional inner-loop current ... -
Distributed energy resources integration in single-phase microgrids: An application of IDA-PBC and PI-PBC approaches
Montoya O.D.; Gil-González W.; Garces A. (Elsevier Ltd, 2019)This paper presents a unified Hamiltonian formulation for controlling distributed energy resources (DERs)in ac single-phase microgrids (SP-MGs)via proportional-integral passivity-based control (PI-PBC), and interconnection ... -
Economic dispatch of energy storage systems in dc microgrids employing a semidefinite programming model
Gil-González W.; Montoya O.D.; Holguín E.; Garces A.; Grisales-Noreña L.F. (Elsevier Ltd, 2019)A mathematical optimization approach for the optimal operation focused on the economic dispatch for dc microgrid with high penetration of distributed generators and energy storage systems (ESS) via semidefinite programming ... -
Group-Theory for the Analysis of Heuristic Algorithms in Power Distribution Systems
Garces A.; Gil-González, Walter; Castano J.; Montoya O.D. (Institute of Electrical and Electronics Engineers Inc., 2018)This paper applies group theory to four classic problems in power distribution systems, namely: phase balancing, primary feeder reconfiguration, optimal tap setting of voltage regulator transformers and optimal placement ... -
Integration of PV Arrays in DC Power Grids via Unidirectional Boost Converters: A PBC Approach
Montoya O.D.; Campillo Jiménez, Javier Eduardo; Gil-González W.; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2018)This paper presents a general control design for photovoltaic systems integrated with Direct-Current power grids by using an unidirectional boost converter. Passivity-based control (PBC) theory is used as a control technique ... -
Linear power flow formulation for low-voltage DC power grids
Montoya O.D.; Grisales-Noreña L.F.; González-Montoya D.; Ramos-Paja C.A.; Garces A. (Elsevier Ltd, 2018)This paper presents a reformulation of the power flow problem in low-voltage dc (LVDC) power grids via Taylor's series expansion. The solution of the original nonlinear quadratic model is achieved with this proposed ... -
Modeling and control of a small hydro-power plant for a DC microgrid
Gil-González W.; Montoya O.D.; Garces A. (Elsevier Ltd, 2020)This paper presents the modeling and control of a small hydro-power plant (SHP) for a DC microgrid based on passivity theory. The SHP is made up of a turbine, a permanent magnet synchronous generator (PMSG), a voltage ... -
Optimal conductor size selection in radial distribution networks using a mixed-integer non-linear programming formulation
Montoya O.D.; Garces A.; Castro C.A. (IEEE Computer Society, 2018)In this paper a mixed-integer non-linear programming formulation for optimal conductor selection in radial distribution networks is proposed. The objective function in this problem corresponds to the minimization of power ... -
Optimal Location of DGs in DC Power Grids Using a MINLP Model Implemented in GAMS
Montoya O.D.; Garrido Arévalo, Víctor Manuel; Grisales-Noreña L.F.; Gil-González W.; Garces A.; Ramos-Paja C.A. (Institute of Electrical and Electronics Engineers Inc., 2018)This paper addresses the problem of optimal location and sizing of distributed generators (DGs) in direct-current (dc) power grids by using a mixed-integer nonlinear programming (MINLP) formulation. The reduction of the ... -
Optimal Power Flow on DC Microgrids: A Quadratic Convex Approximation
Montoya O.D.; Gil-González, Walter; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2019)This express brief shows a convex quadratic approximation for the optimal power flow (OPF) in direct-current microgrids (dc-μ Grid) via Taylor's series expansion. This approach can be used for solving OPF problems on radial ... -
Output Voltage Regulation for DC-DC Buck Converters: A Passivity-Based PI Design
Gil-González, Walter; Montoya O.D.; Garces A.; Serra F.M.; Magaldi G. (Institute of Electrical and Electronics Engineers Inc., 2019)This paper presents a global tracking passivity-based proportional-integral (PI) control for output voltage regulation of a DC-DC Buck converter. The proposed controller is based on passivity formulation since DC-DC Buck ... -
Passivity-Based Control for Hydro-Turbine Governing Systems
Gil-González, Walter; Garces A.; Escobar Mejía, Andrés; Montoya O.D. (Institute of Electrical and Electronics Engineers Inc., 2018)In this paper an interconnection and damping assignment passivity-based control (IDA-PBC) applied to the hydro-Turbine governing systems (HTGS) is proposed to regulate the relative deviation of turbine speed in single ... -
Power flow approximation for DC networks with constant power loads via logarithmic transform of voltage magnitudes
Montoya O.D.; Gil-González W.; Garces A. (Elsevier Ltd, 2019)This paper proposes a logarithmic transformation of voltages (LTVM) for the power flow in DC grids. This problem is non-linear due to the presence of constant power loads (CPLs), which also introduce a negative resistance ... -
SCES Integration in Power Grids: A PBC Approach under abc, αβ0 and dq0 Reference Frames
Montoya O.D.; Gil-González, Walter; Garces A. (Institute of Electrical and Electronics Engineers Inc., 2018)This paper presents an integration of three-phase supercapacitor energy storage (SCES) in power grids via passivity-based control (PBC) theory under different reference frames. The SCES systems have the possibility to ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.