A Dynamic Multi-Cell FCL to Improve the Fault Ride through Capability of DFIG-Based Wind Farms

Shafiee, Mohammadreza; Kartijkolaie, Hossein Shahbabaei; Firouzi, Mehdi; Mobayen, Saleh; Fekih, Afef

doi:10.3390/en13226071

Cited by 11 publications

(4 citation statements)

References 21 publications

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“…They are mainly derived by modifying the RSC and include flux linkage tracking control [13], robust control [14], inductance emulating control [15], scaled current tracking control [18] etc. But the problem associated with the software-based control is that their operation is restricted to only lower voltage sag environment due to the capacitor voltage limitation and limited RSC capacity [19,20]. Rotor over-current is merely diminished by these control techniques whereas failed to shorten high peak current of the rotor during transmission line fault.…”

Section: Introductionmentioning

confidence: 99%

Protecting DFIG‐based multi‐machine power system under transient‐state by nonlinear adaptive backstepping controller‐based capacitive BFCL

Hossain

Islam

Haque

et al. 2022

IET Generation Trans & Dist

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The invention of doubly‐fed induction generator (DFIG) brings the wind energy one step ahead as renewable power generation. But the performance of the grid‐connected DFIGs are greatly affected by grid disturbances as their stator windings are interfaced to the grid directly. Different fault current limiters are capable of improving fault ride through capability during short circuit faults. Nonlinear controller based fault current limiters (FCLs) are superior to deal with the nonlinearity of the power systems. This paper proposes a nonlinear adaptive backstepping controller (ABSC) based capacitive bridge‐type FCL (CBFCL) to enhance the fault ride through capability of a DFIG‐based wind farm connected to a multi‐machine power system. At first, a complete modelling of the CBFCL is derived to understand its behaviour during the normal and fault period more accurately. Then, the ABSC is designed based on that dynamic model, along with the backstepping controller (BSC) and sliding mode controller (SMC) for comparison purpose. Finally, the performance of the ABSC to control the CBFCL has been analysed and verified by comparing with that of the BSC and the sliding mode controller. All the graphical and mathematical analyses favour the ABSC based CBFCL under symmetrical and asymmetrical fault (both temporary and permanent) scenarios.

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Section: Introductionmentioning

confidence: 99%

Protecting DFIG‐based multi‐machine power system under transient‐state by nonlinear adaptive backstepping controller‐based capacitive BFCL

Hossain

Islam

Haque

et al. 2022

IET Generation Trans & Dist

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“…A neuro-fuzzy logic-controlled parallel resonance-type fault current limiter scheme was employed by Islam et al (2020) to enhance the FRT capability of a wind farm composed of DFIG wind turbines, while entire power systems using fuzzy logic-controlled capacitive bridge-type fault current limiter scheme was investigated by Sadi et al (2021). A further approach of using dynamic multicell fault current limiter was reported by Shafiee et al (2020) to improve the FRT performance of the wind farms based on DFIG control, while a sliding mode controller based on the bridge-type fault current limiter was used for the DFIG FRT-improved performance (Firouzi et al, 2020b).…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of the Effects of Machine Parameters on DFIG and PMSG Variable Speed Wind Turbines During Grid Fault

2021

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This study investigates the transient performance of two variable speed wind turbines (VSWTs), namely doubly fed induction generator (DFIG) and the permanent magnet synchronous generator (PMSG), that are widely employed in wind energy conversion, considering their machine parameters. The machine parameters of both wind turbines were changed considering different scenarios, while keeping other parameters constant, to study the behavior of the wind generators. This study was carried out using the same operating conditions of rated wind speed, based on the characteristics of both wind turbine technologies. The wind turbines were subjected to a severe three phase to ground bolted fault to test the robustness of their controllers during grid fault conditions. Efforts were made to carry out an extensive comparative study to investigate the machine parameters that have more influence on the stability of the different wind turbines considered in this study. Simulations were carried out using power system computer-aided design and electromagnetic transient including DC (PSCAD/EMTDC). Effective machine parameter selection could help solve fault ride-through (FRT) problems cost-effectively for both VSWTs, without considering the external circuitry of and changing the original architecture of the wind turbines.

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“…It is implemented to the DFIG [ 19 ] and permanent-magnet synchronous generator (PMSG)-based [ 19 ] wind turbines for enhancing the FRT, respectively. Authors in [ 21 ] presents a dynamic multi-cell BFCL to compensate the PCC voltage of wind farms. It is connected between the wind farm and grid without using coupling transformer and can compensate the PCC voltage under whole voltage sag level.…”

Section: Introductionmentioning

confidence: 99%

Protection of Sensitive Loads in Distribution Systems Using a BSFCL-DVR System

Firouzi

Mobayen

Kartijkolaie

et al. 2021

Sensors

Self Cite

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In this paper, an incorporated bridge-type superconducting fault current limiter (BSFCL) and Dynamic Voltage Restorer (DVR) is presented to improve the voltage quality and limiting fault current problems in distribution systems. In order to achieve these capabilities, the BSFCL and DVR are integrated through a common DC link as a BSFCL-DVR system. The FCL and DVR ports of the BSFCL-DVR system are located in the beginning and end of the sensitive loads’ feeder integrated to the point of common coupling (PCC) in the distribution system. At first, the principle operation of the BSFCL-DVR is discussed. Then, a control system for the BSFCL-DVR system is designed to enhance the voltage quality and limit the fault current. Eventually, the efficiency of the BSFCL-DVR system is verified through the PSCAD/EMTDC simulation.

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A Dynamic Multi-Cell FCL to Improve the Fault Ride through Capability of DFIG-Based Wind Farms

Cited by 11 publications

References 21 publications

Protecting DFIG‐based multi‐machine power system under transient‐state by nonlinear adaptive backstepping controller‐based capacitive BFCL

Protecting DFIG‐based multi‐machine power system under transient‐state by nonlinear adaptive backstepping controller‐based capacitive BFCL

Comparative Study of the Effects of Machine Parameters on DFIG and PMSG Variable Speed Wind Turbines During Grid Fault

Protection of Sensitive Loads in Distribution Systems Using a BSFCL-DVR System

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