Imitate Output Characteristic of Variable Blade Pitch Wind Generator with Speed Sensorless Asynchronous Motor

Xiaoling Yuan, Wenjie Yi, Yuzhou Huang, and Haoming Liu


Wind turbine, output characteristic, pitch angle control, speed sensorless, PHM


An emulation system of variable blade pitch wind generator (VBPWG) is constructed based on asynchronous motor in this paper. A static characteristics model of wind turbine is built according to aerodynamic theory. As VBPWG runs in different condition and has different input-output characteristic at different wind speed, different control strategies for VBPWG are explored and control system for pitch angle regulation is designed. Speed sensorless vector control method is introduced to the imitation system. Simulation results illustrate the effectiveness of the wind turbine simulator performance.

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