LVRT Scheme of PMSG Wind Power Systems Based on Feedback Linearization

LVRT Scheme of PMSG Wind Power Systems Based on Feedback Linearization

This paper proposes a low-voltage ride-through scheme for the permanent magnet synchronous generator (PMSG) wind power system at the grid voltage sag. The dc-link voltage is controlled by the generator-side converter instead of the grid-side converter (GSC). Considering the nonlinear relationship be...

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Veröffentlicht in:IEEE transactions on power electronics 2012-05, Vol.27 (5), p.2376-2384
Hauptverfasser: Kim, Ki-Hong, Jeung, Yoon-Cheul, Lee, Dong-Choon, Kim, Heung-Geun
Format: Artikel
Sprache:eng
Schlagworte:
Automatic voltage control
Circuit faults
Computer simulation
Control algorithms
Converters
DC-link voltage
Electric potential
Electronics
Feedback linearization
Generators
permanent magnet synchronous generator (PMSG)
Power system stability
ride-through
Simulation
Validity
Voltage
Wind power
Wind power generation
Wind turbines
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Beschreibung
Zusammenfassung:This paper proposes a low-voltage ride-through scheme for the permanent magnet synchronous generator (PMSG) wind power system at the grid voltage sag. The dc-link voltage is controlled by the generator-side converter instead of the grid-side converter (GSC). Considering the nonlinear relationship between the generator speed ω m and the dc-link voltage V dc , a dc-link voltage controller is designed using a feedback linearization theory. The GSC controls the grid active power for a maximum power point tracking. The validity of this control algorithm has been verified by simulation and experimental results for a reduced-scale PMSG wind turbine simulator.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2011.2171999