Evaluation of state-based controlled STATCOM for DFIG-based WECS during voltage sags

Chhor, Johnny; Tourou, Pavlos

doi:10.1109/icrera.2016.7884381

Cited by 18 publications

(6 citation statements)

References 15 publications

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“…Different topologies of DFIG's are proposed by various researches and all the topologies there is reactive power requirement that need to be met for successful operation of DFIG. To compensate for the reactive power, many researchers [3][4][5][6][7][8][9][10][11][12][13][14][15] have proposed STATCOM at strategic locations in the transmission system or at PCC. A shunt connected STATCOM using vector controlled technique is employed in distribution system for weak connected grid and it was concluded that STATCOM compensated for reactive power requirement effectively during grid faults and sudden load switching OFF conditions [4,5].…”

Section: Literature Reviewmentioning

confidence: 99%

Reactive Power Management at PCC with DFIG Based Wind Energy System

Meda,

Muni,

Kolli

2023

IJRITCC

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Reduction in availability of conventional energy sources and their scarcity in the future has led to the research on adoption of renewable energy sources for electricity generation. Wind is recognized as the prominent renewable energy source for electricity generation. Due to the erratic pattern of wind, variable speed generators such as doubly fed induction generator (DFIG) are preferred over fixed speed wind generators which use synchronous generators. Due to the increase in contribution of electricity generation through renewable energy sources, power quality of the system is deteriorating. In the present paper, a new economical and tangible scheme of DFIG is proposed to compensate for the reactive power at PCC, thus improving the power quality of the grid. The effectiveness of the scheme in compensating for the reactive power is evaluated using MATLAB / Simulink environment.

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Section: Literature Reviewmentioning

confidence: 99%

Reactive Power Management at PCC with DFIG Based Wind Energy System

Meda,

Muni,

Kolli

2023

IJRITCC

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“…GA is a population-based evolutionary algorithm that operates on mass and gravity [34][35][36][37][38][39][40][41][42]. In GA, solutions are known as Agents, and their properties are measured by their masses.…”

Section: Genetic Algorithmmentioning

confidence: 99%

Grid Integration of Renewable Energy Sources using GA Technique for Improving Power Quality

Goud

Reddy²,

Kalyan³

et al. 2021

IJRER

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Hybrid Renewable energy sources (HRES) are rapidly increasingly compared to the traditional system since they are less effective to the environment and meet the huge demand required by the utilities. In the proposed paper the modelling, control and design analysis is implemented with PV, wind and battery as an energy storing device. The grid-interfacing inverter is regulated with a single-stage, three-phase RES-based distributed generation (DG) system. A genetic algorithm (GA) based shunt active power filter (SHAPF) is used to mitigate the power quality issues under nonlinear and unbalanced load conditions. The DG is grid-connected through a current-controlled -voltage source inverter (CC-VSI) via a DC link capacitor. Here the VSI is utilized to transfer the power from DG to the point of common coupling (PCC), SAPF to compensate for load current harmonics, under distorted supply voltage conditions, reactive power demand and load current imbalance. Both of these functions are important either individually or concurrently. As a result, the proposed controller regulates the power flow, controls it and acts as a SHAPF or does both at the same time. The proposed method is employed in the MATLAB/Simulink platform and performances were analysed.

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“…The active superconducting fault current limiter is effective to limit fault currents but demands extra hardware to compensate voltage sags [13][14][15]. Other proposals to enhance the fault ride through (FRT) using extra hardware like STATCOMs and parallel capacitors have been proposed extensively [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Fault ride‐through enhancement in DFIG with control of stator flux using minimised series voltage compensator

Silveira

Silva

Filho

2018

IET Renewable Power Generation

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Wind energy systems based on doubly fed induction generators (DFIG) are very sensitive to grid disturbances, mainly voltage sags, which can cause rotor and stator overcurrents and rotor overvoltage, resulting in turbines shutdown or even damage to the converter connected to the rotor. Besides, the transmission system operators have been issuing strict grid codes, which require the wind energy conversion system (WECS) to keep operating during grid disturbances and supplying reactive power to the system, if necessary. Due to difficulties to access the offshore DFIGs, avoiding damages and shutdowns in these WECS is paramount. In order to overcome this problem, this article proposes the control of the generator stator flux through a series voltage compensator (SVC) with minimised components. The proposed SVC draws power from the grid through a transformer with a single turn in the primary side (single turn primary transformer) and injects power in the system through an LC filter, without any series transformer. The control of the generator stator flux reduces considerably the stator and rotor current as well as the rotor voltage, allowing the generator to ride-through the grid disturbances.

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Evaluation of state-based controlled STATCOM for DFIG-based WECS during voltage sags

Cited by 18 publications

References 15 publications

Reactive Power Management at PCC with DFIG Based Wind Energy System

Reactive Power Management at PCC with DFIG Based Wind Energy System

Grid Integration of Renewable Energy Sources using GA Technique for Improving Power Quality

Fault ride‐through enhancement in DFIG with control of stator flux using minimised series voltage compensator

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