Line-Fault Ride-Through (LFRT) Capabilities of DFIG Wind Turbine Connected to the Power System

Khattara, A.; Bahri, M.; Aboubou, A.; Becherif, Mohamed; Ayad, M. Y.

doi:10.1016/j.apcbee.2013.08.032

Cited by 4 publications

(1 citation statement)

References 9 publications

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“…The generated active and reactive powers are controlled by rotor-side converter (RSC), while DC link voltage and reactive power exchange with the grid are controlled by the grid-side converter (GSC) [21][22][23]. DFIG systems are vulnerable to grid faults due to the direct connection of the stator winding to the grid [24][25][26]. A new control technique for DFIG wind integration was presented whereby the continuation of the DFIG connection during a fault can be secured and the system stability can be improved under fault conditions [23].…”

Section: Introductionmentioning

confidence: 99%

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

et al. 2019

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This paper proposes a non-superconducting bridge-type fault current limiter (BFCL) as a potential solution to the fault problems of doubly fed induction generator (DFIG) integrated voltage source converter high-voltage DC (VSC-HVDC) transmission systems. As the VSC-HVDC and DFIG systems are vulnerable to AC/DC faults, a BFCL controller is developed to insert sizeable impedance during the inception of system disturbances. In the proposed control scheme, constant capacitor voltage is maintained by the stator VSC (SVSC) controller, while current extraction or injection is achieved by rotor VSC (RVSC) controller. Current control mode-based active and reactive power controllers for an HVDC system are developed. Balanced and different unbalanced faults are applied in the system to show the effectiveness of the proposed BFCL solution. A DFIG wind-based VSC-HVDC system, BFCL, and their controllers are implemented in a real time digital simulator (RTDS). The performance of the proposed BFCL control strategy in DFIG-based VSC-HVDC system is compared with a series dynamic braking resistor (SDBR). Comparative RTDS implementation results show that the proposed BFCL control strategy is very efficient in improving system fault ride through (FRT) capability and outperforms SDBR in all cases considered.

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Section: Introductionmentioning

confidence: 99%

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

et al. 2019

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Improving fault ride through capability of induction generator‐based wind farm using static compensator during asymmetrical faults

khani

2021

Int Trans Electr Energ Syst

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The growing trend of using wind turbines makes challenges to supply safe power to the power system. In fact, the fault ride through (FRT) capability of wind turbines is a serious phenomenon in their safe operation. In this paper, a new control method is proposed to improve the capability of wind farms in asymmetrical fault conditions. This method is based on releasing computed reactive power by the static compensator (STATCOM) to the grid during the fault to overcome the deep voltage of the point of common coupling (PCC). Although there are many studies to control wind turbines in fault condition using STATCOM, the main strength point of this study is the appropriate performance of the proposed system in asymmetrical faults. This feature is operated and simulated on 14 Bus standard grid to investigate the appropriate operation of a wind farm in a real grid. Also, by controlling the reactive power, preventing deep voltage collapse is achieved during the fault. Also, the wind turbine, STATCOM, and their control systems are formulated, modeled, and simulated in MATLAB/Simulink environment.

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An Efficient Co-ordinated Control Scheme for Transient Stability Enhancement of DFIG based Wind Energy Conversion System

Srivastava

Sahoo

Vats

et al. 2017

2017 14th IEEE India Council International Conference (INDICON)

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Line-Fault Ride-Through (LFRT) Capabilities of DFIG Wind Turbine Connected to the Power System

Cited by 4 publications

References 9 publications

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

Fault Ride through Capability Augmentation of a DFIG-Based Wind Integrated VSC-HVDC System with Non-Superconducting Fault Current Limiter

Improving fault ride through capability of induction generator‐based wind farm using static compensator during asymmetrical faults

An Efficient Co-ordinated Control Scheme for Transient Stability Enhancement of DFIG based Wind Energy Conversion System

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