Subsynchronous Resonance Mitigation for Series-Compensated DFIG-Based Wind Farm by Using Two-Degree-of-Freedom Control Strategy

Huang, Po-Hsu; Moursi, Mohamed Shawky El; Xiao, Weidong; Kirtley, James L.

doi:10.1109/tpwrs.2014.2348175

Cited by 161 publications

(101 citation statements)

References 18 publications

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“…Therefore, in this case there are no torsional interactions between the grid and the mechanical modes of the wind turbine (also observed in [17]). …”

Section: Loci Of the Relevant Eigenvaluesmentioning

confidence: 86%

“…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]. SSO also appeared in a 150 MVA DFIG wind farm located in Minnesota, USA.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

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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“…Therefore, in this case there are no torsional interactions between the grid and the mechanical modes of the wind turbine (also observed in [17]). …”

Section: Loci Of the Relevant Eigenvaluesmentioning

confidence: 86%

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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“…Energies 2017, 10, 1182 3 of 16 changing atmospheric conditions, and the improvement of the control scheme of the grid side converter (GSC) is often disregarded in the literature [20][21][22][23][24][25]. In addition, in the design process of the controllers for alleviating SSCI, the details of the dynamics of the studied system should be retained as much as possible, especially the nonlinear dynamics associated with the control of DFIG converters [27].…”

Section: Power System Model and Pi Controllermentioning

confidence: 99%

“…However, classical linear methods are employed in the majority of the literature [4,[20][21][22][23][24][25][26][27] to simplify the complicated nonlinear models, omitting the significant dynamics for controller design. As a result, satisfactory performances from the controllers [20][21][22][23][24][25][26][27] are merely achieved for a predefined set of operations owing to the employment of the linearized model of the studied system. In order to overcome these restrictions, nonlinear controllers are necessary.…”

Section: Power System Model and Pi Controllermentioning

confidence: 99%

Nonlinear Controllers Based on Exact Feedback Linearization for Series-Compensated DFIG-Based Wind Parks to Mitigate Sub-Synchronous Control Interaction

Wang

Xiong

et al. 2017

Energies

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Abstract:The increasing penetration of wind power in the grid has driven the integration of wind farms with power systems that are series-compensated to enhance power transfer capability and dynamic stability. This may lead to sub-synchronous control interaction (SSCI) problems in series-compensated doubly-fed induction generator (DFIG)-based wind farms. To mitigate SSCI, nonlinear controllers based on exact feedback linearization (EFL) are proposed in this paper. Before deriving the control laws, the exact feedback linearizability of the studied system is scrutinized. Frequency scanning analysis is employed to test the designed EFL controllers. Moreover, the performance of the EFL controllers is compared to that of classical proportional-integral (PI) controllers. A series-compensated 100 MW DFIG-based wind park is utilized to assess the performance of the designed controllers through the alleviation of sub-synchronous resonance. Analyses of the studied system reveal that the resistance is negative under sub-synchronous frequency conditions, whereas the reactance becomes negative at approximately 44 Hz. The designed EFL controllers effectively alleviate SSCI and result in positive reactance and resistance values within the whole sub-synchronous frequency range. The results from the frequency scanning method are also validated through the time domain simulation and the eigenvalue analysis.

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“…In [11], the HOPF bifurcation of the equilibrium points and their corresponding limit cycles have been applied to the study of sub-synchronous interaction between wind farms and series-compensated transmission lines. In [12], a novel two-Degree-Of-Freedom (2DOF) control strategy combined with a damping control loop is designed and analyzed to enhance the system stability and alleviate the SSR that may arise due to the induction generator e ect. In [13], a PI damping controller based on Wide-Area Measurement System (WAMS) has been designed and added to the main loop of PV plat to damp SSR oscillations.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of effect of SSSC stabilizer in different control channels on sub-synchronous resonance oscillations

2017

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Abstract. To increase transmitted power, series capacitors may be used in the transmission lines. A compensated transmission line together with a turbine-generator may cause Sub-Synchronous Resonance (SSR) phenomena in a power system. In this paper, details of dynamic modeling of a single machine power system connected to the network through a transmission line, compensated with a series capacitor, have been presented. Static Synchronous Series Compensator (SSSC) as one of series FACTS devices has been used for the damping of the SSR oscillations. For this purpose, a linear damping SSSCbased stabilizer with lead-lag structure is incorporated into SSSC controller. To determine parameters of SSSC stabilizer, a new multi-objective function has been proposed. In this function, in addition to improving stability of critical modes, the gain of the stabilizer has been considered. To have a stabilizer with a minimum-phase structure, suitable constraints have been determined and added to the objective function. To optimize the objective function, a recently developed optimization technique known as Grey Wolf Optimization (GWO) algorithm has been applied. The eigenvalues analysis and nonlinear simulations of the IEEE First Benchmark Model (FBM) power system with a SSSC stabilizer illustrate the e ectiveness of the proposed method in suppressing SSR oscillations in the studied system.

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Subsynchronous Resonance Mitigation for Series-Compensated DFIG-Based Wind Farm by Using Two-Degree-of-Freedom Control Strategy

Cited by 161 publications

References 18 publications

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

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

Nonlinear Controllers Based on Exact Feedback Linearization for Series-Compensated DFIG-Based Wind Parks to Mitigate Sub-Synchronous Control Interaction

Evaluation of effect of SSSC stabilizer in different control channels on sub-synchronous resonance oscillations

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