Photovoltaic power system with battery backup with grid-connection and islanded operation capabilities

David Velasco De La Fuente, César L. Trujillo Rodríguez, Gabriel Garcerá, Emilio Figueres, Rubén Ortega Gonzalez

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

This paper presents the analysis, design, and experimentation results of a photovoltaic energy management system with battery backup. The proposed system is capable of both grid-connected and islanded operations. The main advantage of the proposed system is that, in grid-connected mode, the inverter works as a current source in phase with the grid voltage, injecting power to the grid and controlling the dc-link voltage. The dc/dc converter manages the battery charge. In islanded mode, the inverter control is reconfigured to work as a voltage source using droop schemes. The dc/dc converter controls the dc-link voltage to enable the maximum power point tracking reference to be followed. An operation protocol is proposed to ensure the quality of the energy supply and minimize energy loss. A battery bank is connected to the dc link as energy storage for islanded operation mode. The aim of this paper is to show that the proposed system performs correctly, without dangerous transients for the inverter or the loads. Simulation and experimental results on a 3-kW prototype show the feasibility of the proposed control strategy. © 1982-2012 IEEE.
Original languageAmerican English
Pages (from-to)1571-1581
Number of pages1412
JournalIEEE Transactions on Industrial Electronics
DOIs
StatePublished - 1 Jan 2013

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backups
electric batteries
grids
Electric potential
electric potential
converters
Energy management systems
design analysis
management systems
experimentation
energy storage
Energy storage
Energy dissipation
energy dissipation
prototypes
energy
simulation

Cite this

Velasco De La Fuente, David ; Trujillo Rodríguez, César L. ; Garcerá, Gabriel ; Figueres, Emilio ; Ortega Gonzalez, Rubén. / Photovoltaic power system with battery backup with grid-connection and islanded operation capabilities. In: IEEE Transactions on Industrial Electronics. 2013 ; pp. 1571-1581.
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Photovoltaic power system with battery backup with grid-connection and islanded operation capabilities. / Velasco De La Fuente, David; Trujillo Rodríguez, César L.; Garcerá, Gabriel; Figueres, Emilio; Ortega Gonzalez, Rubén.

In: IEEE Transactions on Industrial Electronics, 01.01.2013, p. 1571-1581.

Research output: Contribution to journalArticle

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