Sequence Component Extraction Based on Recursive Least Squares for Wind Energy Applications

Rocha-Osorio, C. M.; Chaves, Juan Sebastián Solís; Costa, Fabiano F.; Fernandes, Darlan A.; Filho, Alfeu J. Sguarezi

doi:10.1007/s40313-017-0348-5

Cited by 7 publications

(2 citation statements)

References 29 publications

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“…where i p ± and i q ± represent positive and negative -active and reactive current components. As given in (17), power oscillations can be divided into two parts: one part is the PS current and NS voltage, another part is the PS voltage and NS current. The references for positive-negative orthogonal currents related to injected active and reactive powers can be expressed depending on voltage sequences and flexible control parameters (FCPs) as follows [33,34]:…”

Section: Problem Formulationmentioning

confidence: 99%

“…In this case, a fast and robust sequence extraction is required in the synchronous reference frame (SRF) [10] or stationary reference frame (STRF) [11]. The complexcoefficient filter-based techniques such as multiple complex coefficient filter (MCCF) [12][13][14], dual second-order generalised integrator (DSOGI)-based techniques [15,16], recursive least squares-based sequence extraction [17], the delay signal cancellation (DSC) sequence extractors [18,19], multiple reducedorder generalised integrator [20], third-order sinusoidal signal integrator (TOSSI) [5] are used to separate symmetrical components. However, the structures of these methods are more complex and have slower sag detection (more than once cycle-20 ms).…”

Section: Introductionmentioning

confidence: 99%

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Virtual Park‐based control strategy for grid‐connected inverter interfaced renewable energy sources

Çelík¹,

Meral²,

İnci

2019

IET Renewable Power Generation

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Unbalanced grid faults are the most severe perturbations which degrade the performance of grid-connected inverter interfaced renewable energy sources (IIRESs). In this regard, this study proposes a novel control strategy that provides optimum use of the power capability of the grid-connected IIRES under unbalanced grid fault conditions. One of the major contributions to previous methods is to propose a fast and robust improved Virtual Park (VP) sequence extractor to implement the reference current generator (RCG). The dynamic response of the grid-connected IIRES has also enhanced thanks to the proposed VP sequence extractor. The computing of maximum active power injection and simultaneously amplitude of phase currents is embedded into a new algorithm based the RCG to meet the aimed control objectives. The controllability and minimisation of active and reactive power oscillations are also formulated and carried out with only one control parameter. Another contribution of this study is to prevent overcurrent issues with peak current limitation control. Reference for active power is online computed based on the maximum current injection at inverter capacity for overcurrent protection. The validating effectiveness of the proposed solution is performed by a comprehensive set of cases to show the shortcomings of previous similar studies.

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Section: Problem Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Virtual Park‐based control strategy for grid‐connected inverter interfaced renewable energy sources

Çelík¹,

Meral²,

İnci

2019

IET Renewable Power Generation

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A comprehensive review of fault ride‐through capability of wind turbines with grid‐connected doubly fed induction generator

Parameswari¹,

Sait

2020

Int Trans Electr Energ Syst

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An overview of different strategies applied to enhance the fault Ride-Through (FRT) ability of the Doubly Fed Induction Generators (DFIGs)-based Wind Turbines (WTs) during transient state is introduced in the study. Different FRT strategies dependent on (a) additional protection circuit's establishment, (b) reactive power injecting devices installation, and (c) various control approaches have been proposed in the literature. Typically, during disturbance in the grid to restrict the generated rotor overcurrent and undesirable Direct Current (DC)-link overvoltage, the protection circuits or control structures are connected. Concurrently, to improve the transient performance of the DFIG-based WT, the reactive power injecting devices outperform any deficiency of the reactive power and consequently bound the DC-link voltage and current in the rotor. Actually, during the transient state without damaging its operating strategy, many research findings show a productive DFIG protection. Along these lines, this study centers around underscoring the present status of the rotor overcurrent and DC-link overvoltage protection solutions, for example, the crowbar and its related protection circuits, fault current limiter, the reactive power injecting devices, for example, the static synchronous compensators, static var compensator, and dynamic voltage restorer.

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Extracting Methods of Positive and Negative Voltage Sequences for Unbalanced Three-Phase Systems

Elislam

Boussaid

Lokmane

2020

Artificial Intelligence and Renewables Towards an Energy Transition

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Sequence Component Extraction Based on Recursive Least Squares for Wind Energy Applications

Cited by 7 publications

References 29 publications

Virtual Park‐based control strategy for grid‐connected inverter interfaced renewable energy sources

Virtual Park‐based control strategy for grid‐connected inverter interfaced renewable energy sources

A comprehensive review of fault ride‐through capability of wind turbines with grid‐connected doubly fed induction generator

Extracting Methods of Positive and Negative Voltage Sequences for Unbalanced Three-Phase Systems

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