Enhancement of power quality for a transformerless single-phase grid-connected photovoltaic system using backstepping control approach

Chigane, Khalid; Ouassaid, Mohammed

doi:10.1109/eitech.2017.8255251

Cited by 4 publications

(2 citation statements)

References 23 publications

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“…K dc e dc (τ )dτ (6) where K dc is a positive constant. Hence, the derivative of the sliding surface (6) using ( 3) is given as: (7) Considering the invariance condition and the nonlinear switching behavior around the sliding surface, the voltage controller can be designed as:…”

Section: Side Control Designmentioning

confidence: 99%

“…Furthermore, numbers of nonlinear and intelligent control methods have been adopted for the grid tied inverter such as Backstepping control [7,8], Predictive Current control [9], Fuzzy Logic [10] and Artificial Neuron Network [11,12]. Regardless of their complexity and computational burden, these control strategies try to enhance the power quality and ensure a better dynamic response in addition to the benefits of the conventional controllers [6,13].…”

Section: Introductionmentioning

confidence: 99%

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Voltage and Power Control for a Grid Tied Single Phase Single Stage Transformer-Less Photovoltaic System Using Sliding Mode Control

Chigane

Ouassaid

2021

Lecture Notes in Electrical Engineering

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This study presents a Sliding mode control (SMC) strategy applied to a single-phase grid connected photovoltaic plant. The proposed controller is designed in such a way to control the DC voltage, active and reactive power smoothly, and with insensitivity to system parameter variations and external perturbations. The global asymptotic stability of the developed control laws is guaranteed employing Lyapunov stability theory. So as to verify the effectiveness of the proposed controller, a simulation based comparative study has been carried out under a change in solar irradiance and ambient temperature. The results demonstrate that the SMC provides better dynamic performance, great decoupling of active and reactive power, good reference tracking and improved power quality even when facing operating point variation comparing with the conventional linear controller.

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Section: Side Control Designmentioning

confidence: 99%