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Voltage-Sag Tolerance of DFIG Wind Turbine With a Series Grid Side Passive-Impedance Network.
- Source :
-
IEEE Transactions on Energy Conversion . 12/01/2010, Vol. 25 Issue 4, p1048-1056. 9p. - Publication Year :
- 2010
-
Abstract
- Due to the increase of the number of wind turbines connected directly to the electric utility grid, new regulator codes have been issued that require low-voltage ride-through capability for wind turbines so that they can remain online and support the electric grid during voltage sags. Conventional ride-through techniques for the doubly fed induction generator (DFIG) architecture result in compromised control of the turbine shaft and grid current during fault events. In this paper, a series passive-impedance network at the stator side of a DFIG wind turbine is presented. It is easy to control, capable of off-line operation for high efficiency, and low cost for manufacturing and maintenance. The balanced and unbalanced fault responses of a DFIG wind turbine with a series grid side passive-impedance network are examined using computer simulations and hardware experiments. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 08858969
- Volume :
- 25
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Energy Conversion
- Publication Type :
- Academic Journal
- Accession number :
- 55352813
- Full Text :
- https://doi.org/10.1109/TEC.2010.2054097