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Article Dans Une Revue Modelling and Optimization in the Machines Building Field Année : 2008

Experimental identification of the equivalent circuit used for the photovoltaic power system simulation

Résumé

In order to analyse a photo-voltaic power system we can use the following methods: analytical, circuit simulation or experimental. In this paper we propose to measure the current-voltage characteristics of a photo-voltaic cell influenced by temperature and radiation intensity using a low-frequency signal injection method. This one permits to obtain the parameters of an equivalent cell circuit used in the circuit simulation software EMTP. Comparison of measured and simulated data at quasi steady-state and dynamic conditions has been carried out. We present briefly an application case concerning the determination of a photo-voltaic module characteristics under partial shading. This proposed method can be useful for further studies of photo-voltaic power systems such as array modelling, array fault analysis, isolated network operation, etc
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Dates et versions

hal-00851652 , version 1 (15-08-2013)

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  • HAL Id : hal-00851652 , version 1

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Lambert Pierrat, Yew-Juen Wang. Experimental identification of the equivalent circuit used for the photovoltaic power system simulation. Modelling and Optimization in the Machines Building Field, 2008, 14 (1), pp.203-206. ⟨hal-00851652⟩
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