Study of Sub-Synchronous Control Interaction (SSCI) Based on the Test Signal Method

Ben Feng Gao; Jin Liu; Shu Qiang Zhao

doi:10.4028/www.scientific.net/AMR.989-994.2980

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994Study of Sub-Synchronous Control Interaction...

Study of Sub-Synchronous Control Interaction (SSCI) Based on the Test Signal Method

Abstract:

Large-scale wind turbine generators with power electronic converters that operate near series compensated transmission lines are susceptible to un-damped sub-synchronous oscillations. This sub-synchronous oscillation is called Sub-synchronous Control Interaction (SSCI). Based on PSCAD / EMTDC simulation platform the establishment of Double Fed Induction Generator (DFIG) equivalent inverter controlled sources and network model, and verify the correctness of the equivalent model. Analysis the impact of series compensation and rotor-side converter PI parameters characteristic of the SSCI based on test signal method and time-domain simulation method. The results show that increasing the degree of series compensation , inner gain constant increases and inner integral time decreases will help increase SSCI, outer ring of PI parameters has little effect on the SSCI .

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

2980-2984

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.2980

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Online since:

July 2014

Authors:

Ben Feng Gao*, Jin Liu, Shu Qiang Zhao

Keywords:

DFIG, Equivalent Model, Sub-Synchronous Control Interaction, Test Signal Method

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