Review of contribution to frequency control through variable speed wind turbine

Xue, Yusheng; Tai, Nengling

doi:10.1016/j.renene.2010.11.009

Cited by 276 publications

(107 citation statements)

References 15 publications

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“…Based on (17), if the two powers (the wind turbine power and the grid power) are equal, there will be no change in the dc-link voltage. The control strategy of the grid side converter (shown in Figure 9) contains two cascaded loops.…”

Section: The Grid Side Voltage Source Converter-controllermentioning

confidence: 99%

“…A de-loading method is supposed to solve the aforementioned problem. The method can be realized in two ways: speed control and pitch control [17].…”

Section: Control Frequency Response Supported By Offshore Wind Farm Amentioning

confidence: 99%

“…The total system inertia is reduced due to the increase in wind penetration in the power system network [16]. The control of a wind power plant is expected to cope with the greater rates of frequency changes in case of system contingencies (e.g., sudden load variations or generating unit loss) in a manner similar to a conventional plant [17].…”

Section: Introductionmentioning

confidence: 99%

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Frequency Regulation Strategies in Grid Integrated Offshore Wind Turbines via VSC-HVDC Technology: A Review

2017

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Abstract:The inclusion of wind energy in a power system network is currently seeing a significant increase. However, this inclusion has resulted in degradation of the inertia response, which in turn seriously affects the stability of the power system's frequency. This problem can be solved by using an active power reserve to stabilize the frequency within an allowable limit in the event of a sudden load increment or the loss of generators. Active power reserves can be utilized via three approaches: (1) de-loading method (pitching or over-speeding) by a variable speed wind turbine (VSWT); (2) stored energy in the capacitors of voltage source converter-high voltage direct current (VSC-HVDC) transmission; and (3) coordination of frequency regulation between the offshore wind farms and the VSC-HVDC transmission. This paper reviews the solutions that can be used to overcome problems related to the frequency stability of grid-integrated offshore wind turbines. It also details the permanent magnet synchronous generator (PMSG) with full-scale back to back (B2B) converters, its corresponding control strategies, and a typical VSC-HVDC system with an associated control system. The control methods, both on the levels of a wind turbine and the VSC-HVDC system that participate in a system's primary frequency control and emulation inertia, are discussed.

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Section: The Grid Side Voltage Source Converter-controllermentioning

confidence: 99%

“…A de-loading method is supposed to solve the aforementioned problem. The method can be realized in two ways: speed control and pitch control [17].…”

Section: Control Frequency Response Supported By Offshore Wind Farm Amentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Frequency Regulation Strategies in Grid Integrated Offshore Wind Turbines via VSC-HVDC Technology: A Review

2017

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“…Wind turbines (WTs) are capable of providing system frequency control support [5,6,7,8,9]. In [5] an analyEmail address: fdiazg@irec.cat.…”

Section: Introductionmentioning

confidence: 99%

Coordinated operation of wind turbines and flywheel storage for primary frequency control support

Díaz‐González

Hau

Sumper

et al. 2015

International Journal of Electrical Power & Energy Systems

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This work assesses the participation of wind power plants in primary frequency control support. To participate in frequency control-related tasks, the wind power plants have to maintain a certain level of power reserves. In this article, the wind power plant is equipped with a flywheel-based storage system to fulfil the power reserve requirements set by the network operator. The article focuses on two main aspects: the definition of the control strategy to derate the wind turbines to provide a part of the required power reserves; and the coordinated regulation of the power reserves of the wind turbines and the flywheels while participating in primary frequency control. This coordinated regulation enables the wind power plant to maintain the net level of power reserves set by the network operator while alleviating the need of deloading the wind turbines. The performance of the proposed control schemes are shown by simulation.

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“…Indeed, grid codes dictate Fault Ride-Through (FRT) requirements. Low-Voltage RideThrough (LVRT) capability is considered to be the biggest challenge in wind turbines design and manufacturing technology [3]. LVRT requires wind turbines to remain connected to the grid in presence of grid voltage sags.…”

Section: Introductionmentioning

confidence: 99%

High-Order Sliding Mode control for DFIG-based Wind Turbine Fault Ride-Through

Benbouzid

Beltran

Yao

et al. 2013

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society

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Abstract-This paper deals with the Fault Ride-Through (FRT) capability assessment of a Doubly-Fed Induction Generator (DFIG)-based Wind Turbine (WT) using High-Order Sliding Mode (HOSM) control. Indeed, it has been recently suggested that sliding mode control is a solution of choice to the FRT problem. In this context, this paper proposes HOSM as an improved solution that handle the classical sliding mode chattering problem. Indeed, the main and attractive features of HOSMs are robustness against external disturbances (e.g. grid) and chattering-free behavior (no extra mechanical stress on the drive train).Simulations using the NREL FAST code on a 1.5-MW wind turbine are carried-out to evaluate ride-through performance of the proposed HOSM control strategy in case of grid frequency variations and unbalanced voltage sags.

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Review of contribution to frequency control through variable speed wind turbine

Cited by 276 publications

References 15 publications

Frequency Regulation Strategies in Grid Integrated Offshore Wind Turbines via VSC-HVDC Technology: A Review

Frequency Regulation Strategies in Grid Integrated Offshore Wind Turbines via VSC-HVDC Technology: A Review

Coordinated operation of wind turbines and flywheel storage for primary frequency control support

High-Order Sliding Mode control for DFIG-based Wind Turbine Fault Ride-Through

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