The Research of Design and Simulation of the H∞ Control for Direct-Driven Permanent Magnet Synchronous Wind Generator

• Main Authors: Young-Ren Lai, 賴泳任
• Other Authors: Jyh-Haw Wang
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/464v8d

碩士 === 正修科技大學 === 電子工程研究所 === 106 === In this paper, the robust control of direct-drive permanent magnet synchronous wind generator (PMSG) is studied, which considers that the direct-drive permanent magnet synchronous wind turbine is a nonlinear system in actual operation. Besides, at the same time under the realistic problems of uncertainties of system parameters and external disturbances, the mathematic model of direct-drive permanent magnet synchronous wind power generation system is established. Among them, the H∞ control theory and the direct feedback linearization technique are used. By using the way the robust control model is set up, the control law is obtained by H∞ control theory, and the algorithm is concise and practical. The results of MATLAB/Simulink simulation show that H∞ control can make sure the direct-drive permanent-magnet wind-driven synchronous generator can obtain maximum wind energy safely and reliably, and also transmit constant-voltage and constant-frequency power to the power grid in the case of wind speed change, uncertain system parameters and external disturbances.