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Browsing by Author "Ramos Paja, Carlos Andrés"
Now showing items 1-8 of 8
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Auto-tuning of PV controllers to improve the speed response and stability of the P and O algorithm
This paper proposes an auto-tuning control system to ensure a fast response of the photovoltaic (PV) voltage by reducing the perturbation time of a P and O algorithm. This solution accelerates the tracking of the maximum ...Universidad Nacional de Colombia Revistas electrónicas UN Ingeniería e Investigación. -
Control oriented models of step-up and step-down photovoltaic power systems
This paper presents the modeling and control of photovoltaic systems considering disturbances in the solar irradiance and the load. Three cases are addressed: step-up/step-down systems using a non-inverting Buck-Boost ...Universidad Nacional de Colombia Revistas electrónicas UN Dyna. -
Design and implementation of a pem fuel cell emulator for static and dynamic behavior
This paper presents the design, implementation, and experimental validation of a digitally-controlled emulator of proton exchange membrane (PEM) fuel cells for static and dynamic behavior. The emulator is a low cost, easy ...Universidad Nacional de Colombia Revistas electrónicas UN Dyna. -
Distributed maximum power point tracking with overvoltage protection for pv systems
This paper presents an integral solution of the overvoltage problem caused by mismatched conditions when DC-DC converter outputs of PV systems are connected in series, and a distributed maximum power point tracking ...Universidad Nacional de Colombia Revistas electrónicas UN Dyna. -
Experimental validation of a model for photovoltaic arrays in total cross-tied configuration
An extended analysis and the experimental validation of a mathematical model for Total Cross-Tied photovoltaic arrays,based on the infl ection points concept, is presented. The model is able to reproduce the electrical ...Universidad Nacional de Colombia Revistas electrónicas UN Dyna. -
Non-linear state space model and control strategy for pem fuel cell systems
This paper presents a non linear state space model and a linear control system for a Polymer Electrolyte Membrane fuel cell. The dynamics modeled are the temperature of the stack and the air flow compressor, and their ...Universidad Nacional de Colombia Revistas electrónicas UN Dyna. -
Non-linear state space model and control strategy for pem fuel cell systems.
This paper presents a non linear state space model and a linear control system for a Polymer Electrolyte Membrane fuel cell. The dynamics modeled are the temperature of the stack and the air fl ow compressor, and their ...Universidad Nacional de Colombia Sede Medellín Facultad de Minas. -
