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High-order sliding mode controller for no-load cutting-in control in DFIG wind power system

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3 Author(s)
Xuemei Zheng ; Dept. of Electr. Eng., Harbin Inst. of Technol., Harbin, China ; Wei Li ; Wei Wang

In this paper, according to the characteristic of AC-excited variable speed constant frequency wind turbine generation, stator voltage orientation vector control strategy is adopted in double-fed induction generator (DFIG). Firstly, the paper studies the running characters of DFIG, and the principle of DFIG under no-load cutting-in condition. Then according to the mathematical model of DFIG under no-load cutting-in condition, the paper proposes a higher-order sliding mode controller for the model. Finally, a comprehensive system simulation on the no-load operation before cutting-in, the transient process at the cutting-in moment and the DFIG tracks the maximum wind energy after cutting-in. Compared the proposed method with adopting PI control. The simulation results validate the proposed method in the paper is an idle method of the cutting-in.

Published in:

Systems and Control in Aeronautics and Astronautics (ISSCAA), 2010 3rd International Symposium on

Date of Conference:

8-10 June 2010