Individual Pitch Control of Large Wind Turbine Based on Model Reference Adaptive

Bing HAN; Jie MA

doi:10.16513/j.2096-2185.DE.2106558

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Distributed Energy ›› 2021, Vol. 6 ›› Issue (5) : 26-32. DOI: 10.16513/j.2096-2185.DE.2106558

Basic Research

Individual Pitch Control of Large Wind Turbine Based on Model Reference Adaptive

Bing HAN ,
Jie MA

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Abstract

On large wind turbine rotor plane unbalanced loads, it can control each blade pitch angle (individual pitch control (IPC)) to ease, but the dynamic response of a sudden change in wind speed wind turbines are usually lag in time. Firstly, model reference optimization of individual pitch control method was given. By measuring the effective wind speed of the turbine plane, the adaptive mechanism of feedforward control correction parameters was introduced to estimate the estimated value and compensation value of the delay. Secondly, the generation power fluctuation and tower vibration caused by the lag of wind speed prediction were corrected by feedforward disturbance compensation control of rotor speed and pitch angle. Finally, the experimental results show that the model reference adaptive independent variable blade optimization control technology improves the performance of independent variable blade controller of large wind turbine, improves the utilization efficiency of wind power to a certain extent, and alleviates the fatigue load of major components of large wind turbine.

Key words

wind turbines / individual pitch control (IPC) / feedforward disturbance / load / adaptive control

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Bing HAN , Jie MA. Individual Pitch Control of Large Wind Turbine Based on Model Reference Adaptive[J]. Distributed Energy Resources. 2021, 6(5): 26-32 https://doi.org/10.16513/j.2096-2185.DE.2106558

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