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/pesmg.2013.6672110

Cited by 30 publications

(39 citation statements)

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“…This conclusion was also confirmed by the SSR phenomenon in practical wind farms [13]. Reference [14] presented the procedures to study the SSR in wind integrated power systems. Moreover, the DFIG-based wind farm was utilized to damp the torsional oscillations of the conventional T-G units [6,7].…”

Section: Introductionmentioning

confidence: 59%

Impact of increased wind power generation on subsynchronous resonance of turbine-generator units

Zhang

2016

J. Mod. Power Syst. Clean Energy

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With more and more wind power generation integrated into power grids to replace the conventional turbine-generator (T-G) units, how the subsynchronous resonance (SSR) of conventional T-G units is affected becomes an important technical issue. In this paper, a group of T-G units are interconnected with a series compensated transmission line, and some units are substituted by a nearby DFIG-based wind farm (WF). Under such circumstances, the SSR of power systems would change accordingly. This paper establishes the mathematical model to analyze the torsional interaction (TI) and the induction generator effect of the T-G units. Both eigenvalue analysis and time domain simulations demonstrate the impact of DFIG-based WF on SSR of power systems and how the control parameters of wind farms can affect the SSR.

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Section: Introductionmentioning

confidence: 59%

Impact of increased wind power generation on subsynchronous resonance of turbine-generator units

Zhang

2016

J. Mod. Power Syst. Clean Energy

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“…On December 25, 2012, SSCI was observed in a cluster of wind farms located in the north of China and caused many DFIGs to trip off . Researchers have carried out fruitful work on this phenomenon and have reached valuable conclusions on its analysis model , impacts from DFIG parameters , wind speed, and compensation level . Compared to self‐excited induction generator (SEIG) and permanent magnetic synchronous generator (PMSG), DFIGs are more vulnerable to SSCI .…”

Section: Introductionmentioning

confidence: 99%

“…Further study reveals that the control of DFIG plays a key role in the interaction between DFIG and the series‐compensated power system . The current tracking control of rotor‐side converter (RSC) impacts the system stability effectively, and a larger proportional gain will result in more severe SSCI . The reason is that the proportional gain of the current tracking control in RSC increases the equivalent resistance of rotor windings and provides negative damping for system LC resonance .…”

Section: Introductionmentioning

confidence: 99%

DFIG Wind Farm Modeling for Subsynchronous Control Interaction Analysis

Wang

Sun

You

2017

IEEJ Transactions Elec Engng

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Single doubly fed induction generator (DFIG) model is adopted in present subsynchronous control interaction (SSCI) analyses because of its ease of use. But, there are hundreds of wind turbine generators (WTGs) under different operating conditions in practical wind farms. A two-DFIG model is employed in this paper to check the influences of different system factors on SSCI. These analyses indicate that resonant frequency of SSCI predominantly depends on the leakage inductances of the generator and transformer. It indicates that the impedance of the resonant circuit mainly consists of the above inductances and the series capacitor. Thus, in the sense of resonance, the whole system can be simplified into an LC circuit. According to the resonant power conservation of this LC circuit, a multi-DFIG model can be aggregated into a single-DFIG model. Eigenvalue analysis and simulation results show that the proposed single-DFIG model possesses acceptable precision in the representation of SSCI in a multi-DFIG system.

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“…Recently, a new obstacle, namely Subsynchronous Interaction (SSI) has been added to the list after the Zorillo Gulf wind farm incident in Texas in October 2009 [2]- [9]. SSI is due to the interaction between large doubly fed induction generator (DFIG)-based wind farms and series capacitor compensated transmission systems.…”

Section: Introductionmentioning

confidence: 99%

“…4,5)and(Figs. 7,8,9) institutes the effectiveness of the supplemental control in damping the torsional torques in all turbine-generator shaft sections as well as in mitigating SSI in wind farm A.…”

mentioning

confidence: 99%

On the use of wind energy conversion systems for mitigating subsynchronous resonance and subsynchronous interaction

Gao

Karaagac

Faried

et al. 2014

IEEE PES Innovative Smart Grid Technologies, Europe

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The paper highlights the potential use of wind energy conversion systems for the mitigation of Subsynchronous Resonance (SSR) and Subsynchronous Interaction (SSI). SSR and SSI damping is attained by introducing supplemental control signals in the reactive power control loops of the grid side converters of Full-Frequency Converter (FFC) and Doubly-Fed Induction Generator (DFIG) wind turbines. The effectiveness of the supplemental control in mitigating the two phenomena is demonstrated on a test benchmark through time domain simulation studies using EMTP-RV. IndexTerms -Series capacitive compensation, subsynchronous interaction, subsynchronous resonance, wind energy.

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A procedure to study sub-synchronous interactions in wind integrated power systems

Cited by 30 publications

References 0 publications

Impact of increased wind power generation on subsynchronous resonance of turbine-generator units

Impact of increased wind power generation on subsynchronous resonance of turbine-generator units

DFIG Wind Farm Modeling for Subsynchronous Control Interaction Analysis

On the use of wind energy conversion systems for mitigating subsynchronous resonance and subsynchronous interaction

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