The implementation of the low voltage ride-through curve on the protection system of a wind power plant

Leão, Ruth Pastôra Saraiva; Almada, Janaína B.; Souza, P.A.; Cardoso, R.J.; Sampaio, Raimundo Furtado; Lima, Francisco Kleber A.; Silveira, Josue; Formiga, L.E.P.

doi:10.24084/repqj09.635

Cited by 9 publications

(9 citation statements)

References 3 publications

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“…Thus, a protection system for power converters is necessary as it is capable of limiting either the high currents or the excessive DC bus voltages. More details about the control and protection schemes of DFIG turbines can be found in Leão et al (2010).…”

Section: Figurementioning

confidence: 99%

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Fault Ride-Through Analysis and Protection of a 2-MW DFIG Tidal Current Turbine

Zhang¹,

Chen²,

Yang³

et al. 2015

mar technol soc j

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A B S T R A C TThe purposes of this article are to report on a study of fault ride-through (FRT) capability improvements of a tidal current turbine with a doubly fed induction generator (DFIG) and to investigate protection schemes for power electronic converters without disconnection during grid faults. A dynamic model of a DFIG tidal current turbine is described in the article, taking into account the effect of crowbar protection on the system when subjected to disturbances, such as short circuit faults. Investigations into the dynamic behavior of tidal current turbines are made through extensive simulations via PSCAD/EMTDC software. The research demonstrates that both the timing of crowbar removal and the value of crowbar resistance have a significant impact on the system voltage recovery following grid faults. The article also demonstrates that the selection of an appropriate crowbar resistor value is critical in order to ensure that the DFIG returns to normal operation with active and reactive power control as quickly as possible.

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Section: Figurementioning

confidence: 99%

“…According to recent grid code requirements (Piwko et al, 2010), tidal current generators should remain connected and should also actively support the grid during grid faults or any other transient disturbance. This is commonly referred to as the fault ride-through (FRT) or low voltage ride-through (LVRT) requirement (Leão et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Fault Ride-Through Analysis and Protection of a 2-MW DFIG Tidal Current Turbine

Zhang¹,

Chen²,

Yang³

et al. 2015

mar technol soc j

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“…Each wind-turbine generator (WTG) is connected to a common collector bus PCC, which interconnects the farm to the grid. As implemented in previous studies [11][12][13][14], the STATCOM is connected to PCC and is assumed to serve the wind farm.…”

Section: Evaluation Of Statcom Sizingmentioning

confidence: 99%

Static synchronous compensator sizing for enhancement of fault ride‐through capability and voltage stabilisation of fixed speed wind farms

Mahfouz

El-Sayed

2014

IET Renewable Power Generation

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High penetration level of wind energy affects the generation profile of the power systems, which impose more stringent connection requirements of wind farms. The ability of wind power plant to remain connected during grid faults is very important to avoid cascaded outages because of power deficit. FACT devices are considered to be a key technology to accomplish these requirements. The implementation of three-level inverter based on a static synchronous compensator (STATCOM) for the improvement of the ride-through and stability of fixed speed wind farms is analysed here. This brings the challenges for system planner to determine the appropriate STATCOM rating. This study provides a simple approach to evaluate the STATCOM rating for voltage-level regulation at the point of common coupling around its pre-specified value. Vector current control is used as robust control to inject the required reactive power from STATCOM. This study emphasizes also on the analysis of torque speed curve to evaluate the induction generator speed limit and for defining the critical clearing time of the fault according to the selected STATCOM rating. Simulation results under fault conditions are performed to validate the enhancement of wind farm low-voltage ride-through capability and increasing the critical clearing time by installing STATCOM.

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“…The technologies of fault ride through capability to protect the DFIG wind turbines components are mentioned in [22]. The implementation of the LVRT curve for protection system of wind turbine is presented in [23]. Many researchers have focused their attentions on the LVRT capabilities enhancement for DFIG wind turbines [24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Design of advanced artificial intelligence protection technique based on low voltage ride-through grid code for large-scale wind farm generators: a case study in Egypt

2019

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This paper proposes an advanced artificial intelligence protection technique based on low voltage ride-through (LVRT) for a large-scale doubly fed induction generator (DFIG) wind farm. The proposed protection technique consists of two dependant approaches. The first approach is fault detector algorithm that using adaptive neuro fuzzy inference system as an artificial intelligence technique to detect the fault occurrence and its location. The second approach is implementation of Egyptian LVRT grid code to discriminate between tripping or not tripping decision for faulted wind turbine generators based on fault conditions such as its duration and voltage level. The proposed protection technique is applied on a simulation model of 200 MW Gabal El-Zayt wind farm, which located in Red Sea region and connected to Egyptian electrical grid. The studied wind farm consists of 100 DFIG wind turbines, and each generator has a capacity of 2 MW. The simulation model of studied wind farm is implemented by using MATLAB/SIMULINK toolboxes to demonstrate the performance of proposed protection technique. The impacts of fault duration, fault type, internal and external fault locations on the behaviour of studied wind farm equipped with the proposed protection technique are investigated. Also, the impacts of grid voltage sag and different ground transition resistances on the performance of proposed protection technique are investigated. The simulation results show that, the proposed protection technique can detect and isolate the faulted area according to Egyptian LVRT grid code requirements for enhancement the stability of studied wind farm.

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The implementation of the low voltage ride-through curve on the protection system of a wind power plant

Cited by 9 publications

References 3 publications

Fault Ride-Through Analysis and Protection of a 2-MW DFIG Tidal Current Turbine

Fault Ride-Through Analysis and Protection of a 2-MW DFIG Tidal Current Turbine

Static synchronous compensator sizing for enhancement of fault ride‐through capability and voltage stabilisation of fixed speed wind farms

Design of advanced artificial intelligence protection technique based on low voltage ride-through grid code for large-scale wind farm generators: a case study in Egypt

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