Nonlinear Control Design for Maximum Power Point Tracking and Unity Power Factor of a Grid-Connected Photovoltaic Renewable EnergySystems

Guisser, M.; Aboulfatah, Mohammed; Abdelmounim, Elhassane; Medromi, Hicham; Saadi, Janah

doi:10.9790/2834-09546271

Cited by 7 publications

(2 citation statements)

References 12 publications

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“…A backstepping controller based on the Lyapunov function overcomes some of the drawbacks of a feedback linearization controller by considering the complete nonlinearities of the system. In [22], [23], the authors propose the design of a backstepping controller for the nonlinear behavior of the switching current on the inverter side to control only the active power while ensuring a unit power factor (UPF) with the reactive power assumed to be zero. However, this control method was not able to achieve the objectives with good performance under the constraints of the PV system (climate changes, parametric uncertainties, and load change).…”

Section: Introductionmentioning

confidence: 99%

Power quality optimization using a novel backstepping control of a three-phase grid-connected photovoltaic systems

Naddami¹,

Ababssi²

2023

IJECE

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<span lang="EN-US">A novel nonlinear backstepping controller based on direct current (DC) link voltage control is proposed in three-phase grid-connected solar photovoltaic (PV) systems to control the active and reactive power flow between the PV system and the grid with improved power quality in terms of pure sinusoidal current injection with lower total harmonic distortion (THD), as well as to ensure unity power factor, or to compensate for reactive power required by the load, i.e., the electrical grid. The output power of the PV array is supplied to the grid through a boost converter with maximum power point tracking (MPPT) control and an inverter. Simulation results of the proposed controller show good robustness under nominal conditions, parameter variations, and load disturbances, which presents the main advantage of this controller as compared to an existing controller. The performance of this work was evaluated using a MATLAB/Simulink environment.</span>

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Section: Introductionmentioning

confidence: 99%

Power quality optimization using a novel backstepping control of a three-phase grid-connected photovoltaic systems

Naddami¹,

Ababssi²

2023

IJECE

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“…The solar cells are connected in a series-parallel configuration to match the required solar voltage and power rating. The three-phase inverter with filter inductor converts a DC input voltage into an AC sinusoidal voltage by means of appropriate switch signals to make the output current in phase with the grid voltage to obtain a unity power factor [7].…”

Section: Introductionmentioning

confidence: 99%

A three-phase NPC grid-connected inverter for photovoltaic applications using neural network MPPT

Boumaaraf

Talha

Bouhali

2015

Renewable and Sustainable Energy Reviews

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Efficient Control of a Three Phase Grid Connected PV System

Bahri

Bahri²,

Mohamed³

et al. 2021

E3S Web Conf.

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This paper presents a new control strategy of a photovoltaic system, which consists of a photovoltaic generator PVG coupled to a three phase load and three phase grid by a three phase voltage source inverter VSI without DC-DC converter. The controller is designed by using Backstepping method based on d-q transformation of a new model of the global system. The main goals of this control strategy are to achieve the maximum power point MPPT with very good precision and the unity power factor in level of the grid power flow. Mathematical analysis demonstrate the asymptotic stability of the controlled system and simulation results proved that the controller has achieved all the objectives with high dynamic performance in presence of atmospheric condition changes. Moreover, the proposed controller shows a very good robustness under system disturbance, which presents the most important advantage of this controller compared to the other control strategies. Furthermore, this controller can operate with a high efficiency with any kind of the load.

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Nonlinear Control Design for Maximum Power Point Tracking and Unity Power Factor of a Grid-Connected Photovoltaic Renewable EnergySystems

Cited by 7 publications

References 12 publications

Power quality optimization using a novel backstepping control of a three-phase grid-connected photovoltaic systems

Power quality optimization using a novel backstepping control of a three-phase grid-connected photovoltaic systems

A three-phase NPC grid-connected inverter for photovoltaic applications using neural network MPPT

Efficient Control of a Three Phase Grid Connected PV System

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