SS resonance analysis of complex power system incorporating wind power

This study aims to conduct the sub-synchronous (SS) resonance analysis of a multi-machine power system incorporating doubly fed induction generator (DFIG)- or permanent magnetic synchronous generator (PMSG)-based wind farm. The linearised equations involving the dynamics of steam turbine generator,...

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Bibliographic Details
Published in:IET renewable power generation 2017-02, Vol.11 (3), p.305-312
Main Authors: Shi, Li-Bao, Su, Jun-Lin, Yao, Liang-Zhong
Format: Article
Language:English
Subjects:
asynchronous generators
complex power system
doubly fed induction generator
eigenvalue analysis
Eigenvalues
eigenvalues and eigenfunctions
Generators
IEEE 16‐machine‐68‐bus test system
linearised equations
Loads (forces)
Magnetic resonance
Mathematical analysis
multimachine power system
permanent magnetic synchronous generator
PMSG
Research Article
series‐compensated transmission line
shunt capacitor
SS resonance analysis
state matrix formation process
steam turbine generator
Steam turbines
subsynchronous resonance analysis
transmission line
Transmission lines
wind farm
Wind power
wind power plants
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Summary:This study aims to conduct the sub-synchronous (SS) resonance analysis of a multi-machine power system incorporating doubly fed induction generator (DFIG)- or permanent magnetic synchronous generator (PMSG)-based wind farm. The linearised equations involving the dynamics of steam turbine generator, wind farm, shunt capacitor, transmission line, and load are derived, and the detailed state matrix formation process pertinent to each component is presented. Taking the IEEE 16-machine-68-bus test system as example, the eigenvalue analysis along with participation factor is applied to investigate the impacts of the series compensation level of transmission line on the modal frequencies and damping ratios of two groups of oscillatory modes of interest: namely, the SS mode of the series-compensated transmission line and the shaft modes of the studied steam turbine generator before and after one of the un-studied steam turbine generators is replaced by the DFIG- or PMSG-based wind farm. Some useful conclusions and comments are drawn.
ISSN:1752-1416
1752-1424
1752-1424
DOI:10.1049/iet-rpg.2016.0289