Variable Pitch Double Mode Switching Optimal Control ofWind Turbines Based on TS Fuzzy Weighted
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(School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)

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    Abstract:

    The traditional PID variable pitch control strategy had large fluctuant rotation speed and low following features of the pitch angle. It was focused that the output power of the wind turbine was stable at rated power above the rated wind speed. For the inertia and delay of the variable pitch system, the problem of long dynamic adjustment time and large amount of overshoot are caused in the control process. A TS fuzzy weighted dual mode pitch control strategy based on PID control and fuzzy control was presented. The directdrive variable pitch PM wind turbine simulation model has been built with Simulink, through the simulation verification. The result showed that this method had the advantages of fuzzy control and PID control, had the accuracy of pitch angle higher and the response speed faster, so that the power of generator was more closed to rated power.

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ZHANG Qiang, HOU Tao. Variable Pitch Double Mode Switching Optimal Control ofWind Turbines Based on TS Fuzzy Weighted[J]. Electric Machines & Control Application,2018,45(7):122-126.

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  • Online: December 17,2019
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