Neuro Fuzzy Logic Controlled Parallel Resonance Type Fault Current Limiter to Improve the Fault Ride Through Capability of DFIG Based Wind Farm

Islam, Md. Rashidul; Hasan, Jakir; Shipon, Md. Rezaur Rahman; Sadi, Mohammad Ashraf Hossain; AbuHussein, Ahmed; Roy, T. K.

doi:10.1109/access.2020.3000462

Cited by 40 publications

(49 citation statements)

References 57 publications

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“…The basic block representation of the FIS process in the development of the droop controller is shown in Figure 9. Fuzzy Droop Controller: The details of the FIS and their application to power system and power electronic applications are widely discussed in the literature [45][46][47][48][49]. The basic block representation of the FIS process in the development of the droop controller is shown in Figure 9.…”

Section: Unintentional Islandingmentioning

confidence: 99%

Intelligent Transition Control between Grid-Connected and Standalone Modes of Three-Phase Grid-Integrated Distributed Generation Systems

et al. 2021

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This paper proposes an intelligent seamless transition controller for smooth transition between grid-connected (GC) and standalone modes of distributed generation (DG) units in the grid. The development of this seamless controller contributes to two main processes in the transition modes: the synchronization process and an islanding process. For the synchronization process, the stationary reference frame phase-locked loop (SRF-PLL) associated with the voltage source inverter (VSI) is modified using the frequency, voltage deviation, and phase angle information. Furthermore, the islanding process is classified as intentional and unintentional islanding scenarios for achieving efficient transition control. Here, the intentional islanding process is achieved with the information that is available in the system due to the planned disconnection. For the unintentional islanding process, a fuzzy inference system (FIS) is used to modify the conventional droop control using the information of change in active power, voltage, and frequency. To identify the action of the proposed approach during the transition process, numerical simulations are conducted with the hardware-in-loop (HIL) simulator by developing a 10kWp three-phase grid-connected DG system. The results identified the efficient control of the VSI for both islanding and grid connection processes. In the islanding conditions, the proposed controller provides advantage with less detection and disconnection time, and during synchronization, it instantly minimizes the phase-angle deviation to achieve efficient control.

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Section: Unintentional Islandingmentioning

confidence: 99%

Intelligent Transition Control between Grid-Connected and Standalone Modes of Three-Phase Grid-Integrated Distributed Generation Systems

et al. 2021

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“…Few recent researches on the DFIG unbalanced faults using different control scheme to improve voltage, current, speed and EMT parameters [29] to [32]. Series compensated grid-connected topology for the DFIG is used for minor voltage sags, unbalanced and distorted grid disturbances [31] to [35]. Advanced control schemes like Fixed-time sliding mode disturbance observer-based non-smooth back-stepping algorithm is applied for electrical vehicle [36].…”

Section: Introductionmentioning

confidence: 99%

“…In the literature, LVRT is dealt in minimizing the rotor fault current integrating precise control methods in GSC, especially in the RSC [10]- [35]. These schemes are modeled to curtail the fault current reaching the rotor windings that will harm the capacitor and switches of the converters.…”

Section: Introductionmentioning

confidence: 99%

A Common Capacitor Based Three Level STATCOM and Design of DFIG Converter for a Zero-Voltage Fault Ride-Through Capability

et al. 2021

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To meet the augmented load power demand, the doubly-fed induction generator (DFIG) based wind electrical power conversion system (WECS) is a better alternative. Further, to enhance the power flow capability and raise security margin in the power system, the STATCOM type FACTS devices can be adopted as an external reactive power source. In this paper, a three-level STATCOM coordinates the system with its dc terminal voltage is connected to the common back-to-back converters. Hence, a lookup table-based control scheme in the outer control loops is adopted in the Rotor Side Converter (RSC) and the grid side converter (GSC) of DFIG to improve power flow transfer and better dynamic as well as transient stability. Moreover, the DC capacitor bank of the STATCOM and DFIG converters connected to a common dc point. The main objectives of the work are to improve voltage mitigation, operation of DFIG during symmetrical and asymmetrical faults, and limit surge currents. The DFIG parameters like winding currents, torque, rotor speed are examined at 50%, 80% and 100% comparing with earlier works. Further, we studied the DFIG system performance at 30%, 60%, and 80% symmetrical voltage dip. Zero-voltage fault ride through is investigated with proposed technique under symmetrical and asymmetrical LG fault for super-synchronous (1.2 p.u.) speed and sub-synchronous (0.8 p.u.) rotor speed. Finally, the DFIG system performance is studied with different phases to ground faults with and without a three-level STATCOM. INDEX TERMSDoubly-fed induction generator (DFIG), field oriented control (FOC), common-capacitor based STATCOM, voltage compensation, balanced and unbalanced faults, zero-voltage fault ride through.

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“…From this view point, different configuration and control systems from the one presented in [34] have been developed and reported. In [36], a fuzzy-logic controller is implemented to a parallel-resonance BFCL to augment transient stability of the DFIG. In [37], a capacitor-based BFCL with capability of reactive power compensation has been proposed.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Variable Resistor-Based FCL for Fault Ride-Through Performance Enhancement of DFIG-Based Wind Turbines

Firouzi

Shafiee

Nasiri

2021

Mathematical Problems in Engineering

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Fault ride-through (FRT) requirement is a matter of great concern for doubly fed induction generator (DFIG-) based wind turbines (WTs). This study presents a nonlinear variable resistor- (NVR-) based bridge-type fault current limiter (BFCL) to augment the FRT performance of DFIG-based WTs. First, the BFCL operation and nonlinear control design consideration of the proposed NVR-based BFCL are presented. Then, the NVR-BFCL performance is validated through simulation in PSCAD/EMTDC software. In addition, the NVR-based BFCL performance is compared with the fixed resistor- (FR-) based BFCL for a three-phase symmetrical short circuit fault at the grid side. Simulation results reveal that the NVR-based BFCL provides a smooth and effective FRT scheme and outperforms the FR-based BFCL.

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Neuro Fuzzy Logic Controlled Parallel Resonance Type Fault Current Limiter to Improve the Fault Ride Through Capability of DFIG Based Wind Farm

Cited by 40 publications

References 57 publications

Intelligent Transition Control between Grid-Connected and Standalone Modes of Three-Phase Grid-Integrated Distributed Generation Systems

Intelligent Transition Control between Grid-Connected and Standalone Modes of Three-Phase Grid-Integrated Distributed Generation Systems

A Common Capacitor Based Three Level STATCOM and Design of DFIG Converter for a Zero-Voltage Fault Ride-Through Capability

Nonlinear Variable Resistor-Based FCL for Fault Ride-Through Performance Enhancement of DFIG-Based Wind Turbines

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