Mitigating SSR Using DFIG-Based Wind Generation

Fan, Lingling; Miao, Zhixin

doi:10.1109/tste.2012.2185962

Cited by 231 publications

(161 citation statements)

References 19 publications

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“…The rated voltage of each induction generator is 0.69 kV. This assumption adopts the weighted admittance averaging method supported by several recent studies [6,[21][22][23]. Those studies indicate that this simplification is able to offer a reasonable equivalent model for SSTI stability research.…”

Section: System Modelingmentioning

confidence: 97%

Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines

Gao

Zhang

et al. 2017

Energies

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Abstract:High-voltage direct current (HVDC) lines with line-commutated converter (LCC) are being increasingly employed to transmit bulk wind power over long distance. However, this may cause the sub-synchronous torsional interaction (SSTI) between the wind farms and the LCC-HVDC system. The SSTI characteristics of wind farms with fixed-speed induction generator (FSIG) wind turbines connected to LCC-HVDC are investigated in this paper. To simplify the calculations, a modular modeling method is proposed for building the small-signal mathematical model of the investigated system. Small-signal analysis, participation factor analysis, and impact of dominant factors analysis are then applied to investigate the SSTI characteristics under different operating conditions. Three oscillation modes associated with the SSTI are identified in the entire system through small-signal and participation factor analysis, comprising two torsional modes and an electromechanical mode. Impact of dominant factors analysis shows that the system becomes less stable as the wind farm capacity grows and the distance between FSIG wind farm and the rectifier station increases. Moreover, the above analysis suggests that wind farms with FSIG connected to LCC-HVDC lines may not cause unstable SSTI. The electromagnetic transient simulations based on PSCAD/EMTDC (Power Systems Computer-Aided Design/Electromagnetic Transients including DC) verify these results.

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Section: System Modelingmentioning

confidence: 97%

Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines

Gao

Zhang

et al. 2017

Energies

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“…The grid side converter (GSC) of the power electronic converter (PEC), due to its similar structure to a STATCOM, can also be controlled to damp SSR. SSR damping capability of DFIG increases with increase in wind speed [17][18][19][20].…”

Section: Subsynchronous Resonance (Ssr)mentioning

confidence: 99%

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

Mwaniki

Hui

Dai

2017

Journal of Engineering

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There is increased worldwide wind power generation, a large percentage of which is grid connected. The doubly fed induction generator (DFIG) wind energy conversion system (WECS) has many merits and, as a result, large numbers have been installed to date. The DFIG WECS operation, under both steady state and fault conditions, is of great interest since it impacts on grid performance. This review paper presents a condensed look at the various applied solutions to the challenges of the DFIG WECS including maximum power point tracking, common mode voltages, subsynchronous resonance, losses, modulation, power quality, and faults both internal and from the grid. It also looks at approaches used to meet the increasingly stringent grid codes requirements for the DFIG WECS to not only ride through faults but also provide voltage support. These are aspects of the DFIG WECS that are critical for system operators and prospective investors and can also serve as an introduction for new entrants into this area of study.

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“…The substate vectors of X = [X wind , X UPFC , X SG, X AC ] T , where X wind is the state vector of PMSGbased wind farm, including dc link and electric system; X UPFC is the state vector of UPFC; X SG is the state vector of SG system, including excitation, turbine, governor and electromechanical system; X AC is the state vector of transmission lines and buses system. The winds peed is set 14 m/s for designing PID damping controller the UPFC, the transfer function T s [18] is represented as…”

Section: A Pid Linear Damping Controllermentioning

confidence: 99%

Design of a Novel Intelligent Damping Controller for UPFC in Power System Connected Offshore Wind Power Applications

Lin¹,

Lu²

2015

IJIRSET

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This paper proposes a unified power flow controller (UPFC)-based oscillation damping controller for use with a permanent magnet synchronous generator (PMSG)-based offshore wave farm (OWF). A novel intelligent damping controller (NIDC) was used to increase the stability of power control and improve the performance, where the proposed NIDC consists of the adaptive critic network, the Functional Link based Elman Neural Network (FLENN), and PID linear damping controller. The UPFC is used with the NIDC to OWF, which is connected to a single-machine infinite-bus to improve system stability. The PID damping controller is analysis of complex eigenvalues based on a theory of modal control. The node connecting weights of the FLENN and critic network are trained online. The proposed NIDC can be used to achieve better damping characteristics. The internal power fluctuations in the power system can also be effectively alleviated under variable wind power generation.

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Mitigating SSR Using DFIG-Based Wind Generation

Cited by 231 publications

References 19 publications

Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines

Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

Design of a Novel Intelligent Damping Controller for UPFC in Power System Connected Offshore Wind Power Applications

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