Performance of Intelligent Wind Turbine Pitch Control through PI, PID, and LQR and Hybrid of PI and LQR Controllers
Keywords:
PMSG-LQR,PID, PI, Wind, Total Harmonic Distortion (THDAbstract
This work focuses on the development and evaluation of wind pitch control techniques for a wind turbine equipped use a PMSG, or permanent magnet synchronizing generator. Optimizing the power is the goal. capture and enhance system stability while minimizing harmonic distortion in the generated electrical power. Four different control strategies are investigated: PMSG-LQR, PMSG-LQR-PID, PMSG-PID, and PMSG-PI. The PMSG-LQR control strategy utilizes the Linear Quadratic Regulator (LQR) to optimize depending on the system, adjust the pitch angle dynamics and control objectives. The PMSG-LQR-PID approach combines LQR utilizing a PID (Proportional-Integral-Derivative) controller to speed up reaction and regulate output. The PMSG-PID technique employs a PID controller as the sole control strategy, while the PMSG-PI approach utilizes an integral-proportional (PI) controller. Simulations are conducted to utilizing a PID controlling (proportional-integral-derivative) to speed up reaction and regulate output, and harmonic distortion. The results show that the PMSG-LQR-PID technique achieves the lowest Total Harmonic Distortion (THD), indicating a cleaner and more stable power output. The PMSG-LQR technique also performs well in terms of THD, while the PMSG-PI technique exhibits a moderate level of distortion. However, the PMSG-PID technique shows a significantly higher THD value, suggesting poorer power quality.
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