Performance analysis of diode-bridge-type non-superconducting fault current limiter in improving transient stability of DFIG based variable speed wind generator

Hossain, Emrad

doi:10.1016/j.epsr.2016.09.020

Cited by 41 publications

(15 citation statements)

References 16 publications

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“…Fault current limiters (FCLs) are considered serious candidates to be inserted into electrical grids in order to prevent short-circuit damage and the inevitable upgrading of the system equipment. Mainly, two types of FCLs are extensively applied in power systems: non-superconducting [10][11][12][13] and superconducting [14][15][16][17][18][19]. Superconducting FCLs have been applied in different parts of the power network such as renewable power generation, distribution generation, transmission system, distribution network [18,[20][21][22][23][24][25][26][27][28][29][30].…”

Section: Superconducting and Non-superconducting Fclsmentioning

confidence: 99%

“…Superconducting FCLs have been applied in different parts of the power network such as renewable power generation, distribution generation, transmission system, distribution network [18,[20][21][22][23][24][25][26][27][28][29][30]. Also, non-superconducting types FCLs have been employed in several branches of power system such as generation, transmission, distribution network for improving dynamic performance by limiting fault current [10,12,[31][32][33][34][35]. The tree diagram shown in Figure 1 summarizes the different applications of superconducting and non-superconducting FCLs in power systems.…”

Section: Superconducting and Non-superconducting Fclsmentioning

confidence: 99%

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Fault Current Limiters in Power Systems: A Comprehensive Review

2018

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Power systems are becoming more and more complex in nature due to the integration of several power electronic devices. Protection of such systems and augmentation of reliability as well as stability highly depend on limiting the fault currents. Several fault current limiters (FCLs) have been applied in power systems as they provide rapid and efficient fault current limitation. This paper presents a comprehensive literature review of the application of different types of FCLs in power systems. Applications of superconducting and non-superconducting FCLs are categorized as: (1) application in generation, transmission and distribution networks; (2) application in alternating current (AC)/direct current (DC) systems; (3) application in renewable energy resources integration; (4) application in distributed generation (DG); and (5) application for reliability, stability and fault ride through capability enhancement. Modeling, impact and control strategies of several FCLs in power systems are presented with practical implementation cases in different countries. Recommendations are provided to improve the performance of the FCLs in power systems with modification of its structures, optimal placement and proper control design. This review paper will be a good foundation for researchers working in power system stability issues and for industry to implement the ongoing research advancement in real systems.

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Section: Superconducting and Non-superconducting Fclsmentioning

confidence: 99%

Section: Superconducting and Non-superconducting Fclsmentioning

confidence: 99%

Fault Current Limiters in Power Systems: A Comprehensive Review

2018

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“…Thus, fault current limiters can evidently mitigate the current interruption stress on circuit breakers and avoid possible serious damage to the power electronic converters. Superconducting [16][17][18][19][20][21] and non-superconducting [22][23][24][25][26][27][28][29] fault current limiters (FCLs) have been widely applied in power systems to protect them against high currents as well as improve transient stability.…”

Section: Introductionmentioning

confidence: 99%

Non-Linear Control for Variable Resistive Bridge Type Fault Current Limiter in AC-DC Systems

2019

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This paper proposes a non-linear control-based variable resistive bridge type fault current limiter (VR-BFCL) as a prospective solution to ease the effect of disturbances on voltage source converter-based high voltage DC (VSC-HVDC) systems. A non-linear controller for VR-BFCL has been developed to insert a variable optimum resistance during the inception of system disturbances in order to limit the fault current. The non-linear controller takes the amount of DC link voltage deviation as its input and provides variable duty to generate a variable effective resistance during faults. The VSC-HVDC system’s real and reactive power controllers have been developed based on a current control loop where direct axis and quadrature axis currents are used to control the active and reactive power, respectively. The efficacy of the proposed non-linear control-based VR-BFCL solution has been proved with balanced as well as unbalanced faults. The results confirm that the oscillations in active power and DC link voltage have been significantly reduced by limiting the fault current through the insertion of an optimum effective resistance with the proposed control technique. The real time digital simulator (RTDS) has been used to implement the proposed approach. The performance of the proposed non-linear control based VR-BFCL is compared with that of traditional fixed duty control.

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“…Approaches proposed in literatures for the LVRT capability enhancement of DFIGs are divided into 2 main groups: LVRT improvement by adding external hardware [5][6][7][8][9][10][11][12][13][14][15][16][17] and LVRT enhancement by using advanced control methods and modifying the DFIG converter control. [18][19][20][21][22][23][24][25][26] The first group of LVRT approaches uses external passive and active equipments and hardware.…”

Section: Introductionmentioning

confidence: 99%

Transient behavior representation, contribution to fault current assessment, and transient response improvement in DFIG-based wind turbines assisted with crowbar hardware

Rahimi

Azizi

2018

Int Trans Electr Energ Syst

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Summary This paper analytically deals with the transient behavior evaluation and crowbar hardware design for the low voltage ride‐through (LVRT) capability enhancement in doubly fed induction generator (DFIG)‐based wind turbines (WTs). The paper indeed answers the following question analytically. “What are the main criteria for choosing the crowbar resistance?” It is shown that the value of the crowbar resistance affects both the peak values and oscillations of the DFIG transient response. Therefore, the paper first analytically investigates the rotor dynamics with the crowbar hardware during the voltage dip, and then develops analytical expressions for the crowbar resistance design to meet the LVRT requirement. It is shown that selection of the crowbar resistance higher than the maximum value may deteriorate the DFIG LVRT performance. Next, contribution of the DFIG to the fault current by using the crowbar is analytically studied. Then, the impact of crowbar resistance on the damping of the DFIG transient oscillations is examined by the modal analysis and phase plots of the stator flux. At the end, the concept of rotor active impedance is introduced, the LVRT capability of the DFIG is evaluated, and the DFIG transient responses under different crowbar resistances are investigated and compared.

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Performance analysis of diode-bridge-type non-superconducting fault current limiter in improving transient stability of DFIG based variable speed wind generator

Cited by 41 publications

References 16 publications

Fault Current Limiters in Power Systems: A Comprehensive Review

Fault Current Limiters in Power Systems: A Comprehensive Review

Non-Linear Control for Variable Resistive Bridge Type Fault Current Limiter in AC-DC Systems

Transient behavior representation, contribution to fault current assessment, and transient response improvement in DFIG-based wind turbines assisted with crowbar hardware

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