Dynamic simulation and modelling of stand-alone PV systems by using state equations and numerical integration methods

Dynamic simulation and modelling of stand-alone PV systems by using state equations and numerical integration methods

[Display omitted] •New state equation model that permits dynamic simulation of stand-alone PV systems.•A double-diode model that uses the IEC-60981 standard has been developed.•Parameters are extracted from I–V experimental data by multiple linear regression analysis.•Energy balance and efficiencies...

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Bibliographic Details
Published in:Applied energy Vol. 135; pp. 440 - 449
Main Authors: Illanes, Rafael, De Francisco, Adolfo, Núñez, Francisco, De Blas, Marian, García, Almudena, Torres, José Luis
Format: Journal Article
Language:English
Published: Kidlington Elsevier Ltd 15-12-2014
Elsevier
Subjects:
Applied sciences
Arrays
Computer simulation
Dynamic simulation
Dynamical systems
Dynamics
Energy
Equipments, installations and applications
Exact sciences and technology
Mathematical models
Modelling
Natural energy
Numerical integration
Photovoltaic
Photovoltaic conversion
Solar energy
Stand-alone PV system
Dynamic simulation
Photovoltaic
Modelling
Stand-alone PV system
Equations of state
Simulation
Solar energy
Photovoltaic system
Numerical method
Electric power production
Modeling
Photovoltaic cell
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Description
Summary:[Display omitted] •New state equation model that permits dynamic simulation of stand-alone PV systems.•A double-diode model that uses the IEC-60981 standard has been developed.•Parameters are extracted from I–V experimental data by multiple linear regression analysis.•Energy balance and efficiencies were obtained of a long-term simulation. It is known that simulation of PV systems permits to study their performance helping engineers to design them. This paper deals with the dynamic simulation and modelling of stand-alone PV systems by using state variables and numerical integration methods. Two PV systems have been modelled and simulated: a PV array directly connected to a resistive load and a PV array with batteries also connected to a resistive load. A double exponential model, together with the procedure 1 for temperature and irradiance corrections of the IEC 60891 standard, has been used to model the PV array and considering the general battery model of Coppety with some modifications, the system with batteries was simulated. The obtained results from the simulations and experimental tests have been analysed and have shown that this methodology is a good option to simulate these systems.
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ISSN:0306-2619
1872-9118
DOI:10.1016/j.apenergy.2014.08.088