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Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters

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Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters

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dc.contributor.author Garcerá Sanfeliú, Gabriel es_ES
dc.contributor.author González Medina, Raúl es_ES
dc.contributor.author Figueres Amorós, Emilio es_ES
dc.contributor.author Sandía Paredes, Jesús es_ES
dc.date.accessioned 2014-06-13T09:50:29Z
dc.date.issued 2012-08
dc.identifier.issn 0098-9886
dc.identifier.uri http://hdl.handle.net/10251/38114
dc.description.abstract In photovoltaic (PV) double-stage grid-connected inverters a high-frequency DC-DC isolation and voltage step-up stage is commonly used between the panel and the grid-connected inverter. This paper is focused on the modeling and control design of DC-DC converters with Peak Current mode Control (PCC) and an external control loop of the PV panel voltage, which works following a voltage reference provided by a maximum power point tracking (MPPT) algorithm. In the proposed overall control structure the output voltage of the DC-DC converter is regulated by the grid-connected inverter. Therefore, the inverter may be considered as a constant voltage load for the development of the small-signal model of the DC-DC converter, whereas the PV panel is considered as a negative resistance. The sensitivity of the control loops to variations of the power extracted from the PV panel and of its voltage is studied. The theoretical analysis is corroborated by frequency response measurements on a 230 W experimental inverter working from a single PV panel. The inverter is based on a Flyback DC-DC converter operating in discontinuous conduction mode (DCM) followed by a PWM full-bridge single-phase inverter. The time response of the whole system (DC-DC + inverter) is also shown to validate the concept. Copyright © 2011 John Wiley & Sons, Ltd. In photovoltaic (PV) double-stage gridconnected inverters a high-frequency DC-DC isolation and voltage step-up stage is commonly used between the panel and the grid-connected inverter. This paper is focused on the modeling and control design of DC-DC converters with Peak Current mode Control (PCC) and an external control loop of the PV panel voltage, which works following a voltage reference provided by a maximum power point tracking (MPPT) algorithm. The sensitivity of the control loops to variations of the power extracted from the PV panel and of its voltage is studied. Copyright © 2011 John Wiley & Sons, Ltd. Copyright © 2011 John Wiley & Sons, Ltd. es_ES
dc.description.sponsorship This work was supported by the Spanish Ministry of Science and Innovation (MICINN) under grant ENE2009-13998-C02-02. The company AUSTRIAMICROSYSTEMS co-financed this project. en_EN
dc.language Inglés es_ES
dc.publisher Wiley es_ES
dc.relation.ispartof International Journal of Circuit Theory and Applications es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Current mode control es_ES
dc.subject DC-DC power conversion es_ES
dc.subject Inverters es_ES
dc.subject Modeling es_ES
dc.subject Photovoltaic power systems es_ES
dc.subject Constant voltage es_ES
dc.subject Control loop es_ES
dc.subject Discontinuous conduction mode es_ES
dc.subject External control es_ES
dc.subject Flyback es_ES
dc.subject Frequency response measurement es_ES
dc.subject Full-bridge es_ES
dc.subject Grid connected inverters es_ES
dc.subject High frequency HF es_ES
dc.subject Maximum Power Point Tracking es_ES
dc.subject Modeling and control es_ES
dc.subject Output voltages es_ES
dc.subject Overall control structure es_ES
dc.subject Peak current control es_ES
dc.subject Peak current mode control es_ES
dc.subject Photovoltaic es_ES
dc.subject PV panel es_ES
dc.subject Single-phase inverters es_ES
dc.subject Small signal model es_ES
dc.subject Time response es_ES
dc.subject Voltage reference es_ES
dc.subject DC-DC converters es_ES
dc.subject Frequency response es_ES
dc.subject HVDC power transmission es_ES
dc.subject Models es_ES
dc.subject Photovoltaic cells es_ES
dc.subject Sensitivity analysis es_ES
dc.subject Electric inverters es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters es_ES
dc.type Artículo es_ES
dc.embargo.lift 10000-01-01
dc.identifier.doi 10.1002/cta.756
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//ENE2009-13998-C02-02/ES/Estructuras Flexibles De Control De Convertidores Electronicos Para Procesado E Integracion De Energias Renovables En Microrredes/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica es_ES
dc.contributor.affiliation Universitat Politècnica de València. Grupo de Sistemas Electrónicos Industriales es_ES
dc.description.bibliographicCitation Garcerá Sanfeliú, G.; González Medina, R.; Figueres Amorós, E.; Sandía Paredes, J. (2012). Dynamic modeling of DC-DC converters with peak current control in double-stage photovoltaic grid-connected inverters. International Journal of Circuit Theory and Applications. 40(8):793-813. https://doi.org/10.1002/cta.756 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://onlinelibrary.wiley.com/doi/10.1002/cta.756/abstract;jsessionid=64A7DB6D8CEF48D2EE19BA570A91F122.f02t03 es_ES
dc.description.upvformatpinicio 793 es_ES
dc.description.upvformatpfin 813 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 40 es_ES
dc.description.issue 8 es_ES
dc.relation.senia 193877
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder austriamicrosystems AG es_ES
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