Fluctuation-Suppression Pitch Control Strategy Study for Wind Turbine

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Abstract:

With the large-scale direction development of wind turbine, the vibrations of wind turbines, which are rigid-flexible coupled multi-body systems, can be easily excited. Control system can be improved to reduce the vibration amplitude and load levels. Fluctuation-suppression pitch control strategy has been improved in this paper. The reference input rotation speed, which is normally constant, is required to change with rotation acceleration in pitch control in this new control strategy. Theory and simulation show that Fluctuation-suppression pitch control (FSPC) strategy can improve the vibration characters of wind turbine and suppress rotation speed and power fluctuation, and it is also quite effective for gust situation

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Periodical:

Advanced Materials Research (Volumes 463-464)

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1605-1610

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Online since:

February 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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