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Title: Nonlinear control of dynamic voltage restorer to improve lvrt capability in wind turbine systems
Authors: Van, Tan Luong
Do, Van Si
Nguyên, Thi Thanh Truc
Keywords: Doubly-fed induction generator
Dynamic voltage restorer
Feedback linearization theory
Voltage sag
Wind turbine
Issue Date: 2019
Series/Report no.: Journal of Science, Technology and Food;No. 02, Vol. 19 .- P.13-22
Abstract: This paper proposes a nonlinear control of dynamic voltage restorer (DVR) based on a feedback linearization (FL) theory to improve a low-voltage ride-through (LVRT) capability of a doubly fed induction generator (DFIG) wind turbine system. First, the nonlinear model of the system including LC' filter is obtained in the d-q synchronous reference frame. Then, the controller design of the linearized model is performed by the multi-input multi-output feedback linearization. The simulation results for the 2 MW-DFIG wind turbine system with the DVR compensation at grid faults gives as good performance as those without grid faults.
ISSN: 0866-8132
Appears in Collections:Khoa học Công nghệ và Thực phẩm

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