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Due to the double fed induction generatorpsilas (DFIG) advantage of controlling active and reactive power independently and partly power converter, DFIG is becoming a popular type of wind power generation system. However, the converter is quite sensitive to grid disturbance because of its limited partial capacity compared with the generator rating. Nowadays the grid code in European demands that the...
A disturbance accommodating Linear Quadratic Regulator (LQR) method was applied in pitch control system to achieve good performance. The disturbance can be estimate by designing state estimator, and a feedback was added into the input to eliminate disturbance effect. The feed back matrix was calculated in accordance to LQR theory. A wind turbine dynamic modal was set up, and simulation of the control...
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