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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Pitch Angle Control for Improving the Low Voltage Ride-Through Based on DFIG
verfasst von : Ruming Li, Tianyu Liu, Qinghua Zhu, Li Zhang
Erschienen in: Computational Intelligence, Networked Systems and Their Applications
Verlag: Springer Berlin Heidelberg
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Pitch angle control for wind generation is one of the most important segments in wind turbine. Wind turbine can capture the max wind energy which is called Maximum Power Point Tracking through regulating the pitch angle and then the output power of wind turbine is the best. On the base of it, one new method of pitch angle is put forward in this paper. When the grid was failure, we can reduce the output power through regulating the pitch angle in order to improve the performance of LVRT of the wind turbine. When the grid voltage is under the sudden dip, the rotor speed can be limited to reduce the engine and the sudden disconnection of wind turbine and grid can be confined. The pitch angle control is described in this paper in a short time when the emergency power supply is discussed so that we can keep the coordination between the wind turbine and the grid.