Dynamic characteristics and improved MPPT control of PV generator

doi:10.1007/s11708-013-0242-1

Front Energ

2013, Vol. 7

Issue (3) : 342-350 https://doi.org/10.1007/s11708-013-0242-1

RESEARCH ARTICLE

Dynamic characteristics and improved MPPT control of PV generator

Houda BRAHMI¹, Rachid DHIFAOUI²(

)

1. Higher Institute of Medicals Technologies (ISTMT), 9 Rue Zouhair Essafi 1006, Tunis, Tunisia; 2. National Institute of Applied Sciences and Technology (INSAT), Centre Urbain Nord, BP 6761080, Tunis Cedex, Tunisia

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Abstract

This paper presents a mathematical model of photovoltaic (PV) module and gives a strategy to calculate online the maximum power point (MPP). The variation of series and shunt resistor are taken into account in the model and are dynamically identified using the Newton-Raphson algorithm. The effectiveness of the proposed model is verified by laboratory experiments obtained by implementing the model on the dSPACE DS1104 board.

Keywords modeling of photovoltaic (PV) generator maximum power point tracking (MPPT) estimation parameters real time controller

Corresponding Author(s): DHIFAOUI Rachid,Email:Rachid.Dhifaoui@insat.rnu.tn

Issue Date: 05 September 2013

Cite this article:

Houda BRAHMI,Rachid DHIFAOUI. Dynamic characteristics and improved MPPT control of PV generator[J]. Front Energ, 2013, 7(3): 342-350.

URL:

https://academic.hep.com.cn/fie/EN/10.1007/s11708-013-0242-1
https://academic.hep.com.cn/fie/EN/Y2013/V7/I3/342

Fig.1 Electrical model of a solar cell

Tab.1 Definition of PV model parameters

Fig.2 Algorithm of Newton-Raphson method

Fig.3 Experimental setup for solar module under testing

Tab.2 Main data of the solar panel TITAN-12-50

Tab.3 Electrical parameters of the solar panel in STC regime

Fig.4 Influence of temperature on the series resistor

Fig.5 Influence of temperature on the shunt resistor

Fig.6 Influence of solar radiation on the series resistor

Fig.7 Influence of solar radiation on the shunt resistor

Fig.8 Optimal regimes for different climatic conditions

Fig.9 Optimum power for different values of solar radiation

Fig.10 Configuration of the experimental set used

Fig.11 Variation of the measured and the estimated voltage

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