Independent pitch control strtegy anlysis of MW wind turbine
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Abstract:
Under rel circumstnces, wind sher, tower shdow nd other fctors led to unblnced lods on wind wheel plne nd lrge tip displcement. While trditionl wind turbine control strtegy cnnot effectively solve the problem of uneven lod. In view of this, n individul pitch control strtegy is proposed by combining the liner qudrtic regultor with the disturbnce ccommodting control. Then this control strtegy is simulted under the environment of FAST nd Mtlb/Simulink softwre. Results show tht the proposed strtegy of individul pitch control cn reduce lods of min components nd improve opertionl life of wind turbines under wind sher cses.
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Supported by National Natural Science Foundtion of China (51005255);and the Doctoral Foundtion of High Institution of Ministry of Eduction, China (20090191120005).
