A Procedure to Study Sub-Synchronous Interactions in Wind Integrated Power Systems

Suriyaarachchi, D.H.R.; Annakkage, U.D.; Karawita, C.; Jacobson, David

doi:10.1109/tpwrs.2012.2204283

Cited by 123 publications

(28 citation statements)

References 16 publications

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“…When the interharmonic current is injected into the grid, it will cause voltage, current and power to oscillate, causing various faults and the instability of the power system [8]. Subsynchronous oscillation caused by DFIG has been studied in terms of damping and impedance, such as eigenvalue analysis [9,10], frequency scanning method [11,12], and equivalent impedance [13][14][15]. References [9,10] analyze and control the subsynchronous oscillation based on eigenvalue analysis.…”

Section: Introductionmentioning

confidence: 99%

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Analysis of the Propagation Characteristic of Subsynchronous Oscillation in Wind Integrated Power System

Wen¹,

Peng²,

Yang

et al. 2019

Energies

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This paper proposes oscillation propagation factors to analyze power oscillations caused by the interharmonics of doubly fed induction generators (DFIG) at different points in the power system. First, a dynamic model of the DIFG is built, including the asynchronous generator, its transmission system, converters and the control systems. Then, the state space expression is formed by deducing the input and output matrices. From this, the oscillation propagation factor is proposed and denoted to exhibit the propagation mechanism of interharmonics in the view of frequency domain, by deducing the multi-input-multi-output transfer functions matrix. Along with this, the sensitivity of propagation is calculated for adjusting the parameters to block the oscillation propagating path. Finally, the modified four machine system with two DFIGs and the New-England 39 bus system with two DFIGs is used as a test system to verify the effectiveness of the oscillation propagation factor. From this the simulation results demonstrate that the subsynchronous interharmonics of DFIGs injected into the grid will propagate to the different points of the system and results in oscillation of the power. The oscillation propagation factor could quantize the oscillation magnitude propagating from one point to other point in the wind integrated power system.

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Section: Introductionmentioning

confidence: 99%

“…References [9,10] analyze and control the subsynchronous oscillation based on eigenvalue analysis. Frequency scanning method is performed to investigate subsynchronous control interaction [11,12]. An impedance-based analysis approach is used to characterize subsynchronous oscillation [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Propagation Characteristic of Subsynchronous Oscillation in Wind Integrated Power System

Wen¹,

Peng²,

Yang

et al. 2019

Energies

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“…However, large scale wind farm grid integration brings many challenges to the stable running of grid. In addition, the volatility and unpredictability of the wind power also are viewed as the main difficulties of the electric power system management [1,2]. In order to reduce the negative effects of grid connection, the grid code of all countries has introduced more and more strictly requirements, such as high accuracy of wind farm power forecasting 907 system, multiple ways of active power regulation, fast and efficient reactive power regulation like voltage control, power factor regulation and reactive power regulation [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

A Method for Wind Farm Reactive Power Controlling using DIgSILENT and MATLAB

Hua¹,

Ma²,

Wei³

2018

dtcse

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In order to regulate the voltages of Point of Common Coupling (PCC) and single wind turbine in a wind farm, it is necessary to control the output of reactive power of wind turbines, and in some case, it also need to control static var compensators (SVCs) or static var generators (SVGs) of the wind farm to satisfy the voltage set-point requirement. The accuracy of reactive power control system decides the control level of grid voltage. In order to improve the accuracy, this paper introduces modeling and simulation method of wind farm reactive power control system using DIgSILENT  and MATLAB . At first, it introduces the modeling process and co-calling principle of the two kinds of software tools, and then emphasizes that it develops a kind of advanced wind farm reactive power control logic to realize control accuracy improvement in MATLAB, whereas the power quality and distribution logic of reactive power among wind turbines are simulated and assessed. In the end, taking an Inner Mongolia wind farm with 33 double-fed wind turbines as a test application, the wind farm reactive power control model is verified by comparing real wind farm operating data and simulation results, and the result shows that the accuracy of reactive power control system is higher than traditional method.

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“…The problem was also analyzed using the Nyquist criterion on a derived impedance model in [10]. A procedure to study SSI in wind farms was presented in [11] and a general methodology was proposed in [12]. Mitigation strategies using dedicated controllers were analyzed in [6,[13][14][15][16][17][18], and using Flexible AC Transmission Systems (FACTS) in [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Multi-parameter bifurcation analysis of subsynchronous interactions in DFIG-based wind farms

Revel

León

Alonso

et al. 2016

Electric Power Systems Research

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A Procedure to Study Sub-Synchronous Interactions in Wind Integrated Power Systems

Cited by 123 publications

References 16 publications

Analysis of the Propagation Characteristic of Subsynchronous Oscillation in Wind Integrated Power System

Analysis of the Propagation Characteristic of Subsynchronous Oscillation in Wind Integrated Power System

A Method for Wind Farm Reactive Power Controlling using DIgSILENT and MATLAB

Multi-parameter bifurcation analysis of subsynchronous interactions in DFIG-based wind farms

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