Design and Analysis of a Slope Voltage Control for a DFIG Wind Power Plant

Martínez, Jorge; Kjær, P.C.; Rodriguez, P.; Teodorescu, Remus

doi:10.1109/tec.2011.2170197

Cited by 67 publications

(29 citation statements)

References 15 publications

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“…On the contrary, various reactive power and voltage control schemes during grid faults have been proposed to improve the fault ride‐through (FRT) or low voltage ride‐through (LVRT) capability of a DFIG wind turbine . FRT or LVRT capability means that wind turbines should tolerate voltage dips at their terminals and remain connected to the grid to support voltage and frequency during and after the fault, respectively.…”

Section: Ancillary Services From Dfig Wind Turbinementioning

confidence: 99%

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Review of DFIG wind turbine impact on power system dynamic performances

Ngamroo

2017

IEEJ Transactions Elec Engng

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Recently, the variable-speed wind turbine with doubly fed induction generator (DFIG) has drawn significant attention because of its many advantages such as small power converter rating, the ability to control the output power, etc. Nevertheless, the large penetration of DFIG wind turbines may affect the power system dynamics. This paper provides a general review of the DFIG wind turbine's impact on power system dynamic performances such as frequency stability, transient stability, small-signal stability, and voltage stability. Besides, ancillary services from the DFIG wind turbine for the power grid, such as frequency support, reactive power, and voltage support, are explained. Especially, the survey emphasizes power oscillation damping methods by the DFIG wind turbine.

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Section: Ancillary Services From Dfig Wind Turbinementioning

confidence: 99%

“…In Refs. , static voltage control schemes of a DFIG wind turbine are proposed to support the grid voltage during faults. Since these schemes are based on the fixed volt‐var characteristic, they yield a limited contribution to secure reactive power and regulate the PCC voltage.…”

Section: Ancillary Services From Dfig Wind Turbinementioning

confidence: 99%

Review of DFIG wind turbine impact on power system dynamic performances

Ngamroo

2017

IEEJ Transactions Elec Engng

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“…Most of the wind farm controllers were based on the centralized control strategies, in which a central controller gathers all information to decide the reactive power generations and controls the PCC voltage. The secondary voltage controls based on the PI regulator or V/Qdroop approach were proposed in [8]- [11] to counteract the changes of reactive power flow, resulting in the improvement of PCC voltage. In these methods, the control performance relies on the central PI regulator.…”

Section: Introductionmentioning

confidence: 99%

Leader-Following Diffusion-Based Reactive Power Coordination and Voltage Control of Offshore Wind Farm

Nguyen

Kim

2020

IEEE Access

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This paper proposed a distributed reactive power coordination and voltage control of offshore wind farm based on the leader-following diffusion algorithm. Designating several wind turbine generators (WTGs) as the leaders to receive the information of voltage at point of common coupling (PCC), the reactive power generations required to minimize the voltage deviation could be computed by these leaders. The required reactive power generations are diffused throughout all WTGs by the diffusion algorithm, resulting in the coordinated operation of WTGs to regulate the PCC voltage. The proposed offshore wind farm controller is based on the hierarchical control strategy, which consists of primary and secondary layers. The primary layer is responsible for the inner current, voltage or power regulations whereas the secondary layer is based on the proposed diffusion algorithm to achieve the coordinated operation among WTGs. The proposed strategy could maintain accurate reactive power sharing among WTGs and regulate the PCC voltage. A comparison study with the conventional consensus-based control is presented to show the effectiveness of the proposed diffusion controller. The comparison results show the better performance of the proposed method in terms of dynamic responses of PCC voltage and reactive power coordination. Simulation scenarios of constant wind speed, variable wind speed, and voltage sag in the utility grid are carried out to evaluate the performance of proposed method. The proposed diffusion control is tested either in a small or large offshore wind farm systems. Effect of communication delay on the performance of proposed diffusion control is also described. An experiment of the small-scale wind farm system is conducted to show the feasibility of proposed diffusion strategy. INDEX TERMS Distributed control, diffusion algorithm, voltage control, wind farm control.

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“…Many papers studied the voltage and reactive power control strategy at the turbine level, wind farm level, and wind farm group level [6][7][8][9][10][11][12][13][14][15][16][17]. In order to participate in voltage regulation, a wind turbine can increase its reactive power output to some extent by lowering its active power output [6].…”

Section: Introductionmentioning

confidence: 99%

Two-Tier Reactive Power and Voltage Control Strategy Based on ARMA Renewable Power Forecasting Models

Wang

Ren

et al. 2017

Energies

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Abstract:To address the static voltage stability issue and suppress the voltage fluctuation caused by the increasing integration of wind farms and solar photovoltaic (PV) power plants, a two-tier reactive power and voltage control strategy based on ARMA power forecasting models for wind and solar plants is proposed in this paper. Firstly, ARMA models are established to forecast the output of wind farms and solar PV plants. Secondly, the discrete equipment is pre-regulated based on the single-step prediction information from ARMA forecasting models according to the optimization result. Thirdly, a multi-objective optimization model is presented and solved by particle swarm optimization (PSO) according to the measured data and the proposed static voltage stability index. Finally, the IEEE14 bus system including a wind farm and solar PV plant is utilized to test the effectiveness of the proposed strategy. The results show that the proposed strategy can suppress voltage fluctuation and improve the static voltage stability under the condition of high penetration of renewables including wind and solar power.

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Design and Analysis of a Slope Voltage Control for a DFIG Wind Power Plant

Cited by 67 publications

References 15 publications

Review of DFIG wind turbine impact on power system dynamic performances

Review of DFIG wind turbine impact on power system dynamic performances

Leader-Following Diffusion-Based Reactive Power Coordination and Voltage Control of Offshore Wind Farm

Two-Tier Reactive Power and Voltage Control Strategy Based on ARMA Renewable Power Forecasting Models

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