Performance study of a synchronization algorithm for a 3-phase photovoltaic grid-connected system under harmonic distortions and unbalances

Guerrero-Rodríguez, N.F.; Lucas, Luis Carlos Herrero-de; Pablo, Santiago de; Rey-Boué, Alexis B.

doi:10.1016/j.epsr.2014.06.013

Cited by 31 publications

(6 citation statements)

References 21 publications

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“…It provides, in real time, the grid phase θ and frequency on the basis of grid voltage orientation on the q-axis (V rd ¼0 and V rq ¼ À ffiffiffi 3 p V rms ) [24]. The amplitude of the reference current I max takes care of the active power demand on the grid side.…”

Section: Inverter Current Controlmentioning

confidence: 99%

Implementation of fuzzy-sliding mode based control of a grid connected photovoltaic system

et al. 2015

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Section: Inverter Current Controlmentioning

confidence: 99%

Implementation of fuzzy-sliding mode based control of a grid connected photovoltaic system

et al. 2015

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“…where Figure 6 describes the GSC block diagram control using the PR regulators; meanwhile, the P-N SCs of grid voltage are calculated from the measured grid voltage [50]. The four grid voltage components (u + gα , u − gα , u + gβ and u − gβ ) generated by the P-N SCs detector together with P g,re f and Q g,re f are used to compute the two grid currents references in the stationary reference frame (i * gα and i * gβ ) with the current references calculation module.…”

Section: Grid-side Converter Regulation Using Pr Regulatorsmentioning

confidence: 99%

Improved Control of Grid-connected DFIG-based Wind Turbine using Proportional-Resonant Regulators during Unbalanced Grid

Karkri

Rey-Boué

Moussaoui³

et al. 2019

Energies

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The quality of power and current control are the greatest challenges of grid-connected wind farms during abnormal conditions. The negative-and positive-sequence components of the grid currents may be injected into a wind generation system during grid faults, which can affect the power stability and damage the wind system. The proposed work assures a low-voltage ride through capability of doubly-fed induction generator-based wind turbines under the grid voltage sag. A new technique to protect the wind system and to recompense the reactive power during failures of the utility grid according to the Spanish grid code is proposed. The control design is implemented to the power converters, and the grid current regulation is developed by using proportional-resonant regulators in a stationary two-phase (αβ) reference frame. The control performance is significantly validated by applying the real-time simulation for the rotor-side converter and the hardware in the loop simulation technique for the experiment of the generator's grid-side converter control.

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“…Furthermore, kept synchronization of the inverter voltage and its counterpart of the grid and achievement of high power factor quality on the other hand require a specified detection of both phase and frequency in the grid side, hence the use of phase locked loop (PLL) becomes necessity [6].…”

Section: Introductionmentioning

confidence: 99%

Reactive power compensation control for three phase grid-connected photovoltaic generator

Layate

Bahi

Abadlia

et al. 2015

International Journal of Hydrogen Energy

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Performance study of a synchronization algorithm for a 3-phase photovoltaic grid-connected system under harmonic distortions and unbalances

Cited by 31 publications

References 21 publications

Implementation of fuzzy-sliding mode based control of a grid connected photovoltaic system

Implementation of fuzzy-sliding mode based control of a grid connected photovoltaic system

Improved Control of Grid-connected DFIG-based Wind Turbine using Proportional-Resonant Regulators during Unbalanced Grid

Reactive power compensation control for three phase grid-connected photovoltaic generator

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