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Control oriented models of step-up and step-down photovoltaic power systems

Ramos Paja, Carlos Andrés and Velásquez Vásquez, Juan Carlos and Yarce de los Ríos, Sara and Arango Zuluaga, Eliana Isabel and González Montoya, Daniel (2012) Control oriented models of step-up and step-down photovoltaic power systems. Dyna; Vol. 79, núm. 172 (2012); 67-76 DYNA; Vol. 79, núm. 172 (2012); 67-76 2346-2183 0012-7353 .

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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 converter interface, step-down systems using a Buck converter interface, and step-up systems using a Boost converter. Control-oriented models are analytically derived to design controllers that regulate the voltage of the photovoltaic Panel in agreement with the reference provided by a maximum power point tracking algorithm, aimed at maximizing the power production. The proposed models are validated by means of frequency responses analyses, and the designed controllers are validated by means of detailed simulations performed in standard power electronics software. Finally, experimental results illustrate the applicability of the proposed approach to real cases.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:Photovoltaic systems, control systems, control-oriented model
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:27476
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :27 Junio 2014 18:42
Ultima modificación:19 Junio 2018 14:14
Ultima modificación:19 Junio 2018 14:14
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