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 A New Application of Extreemum-Seeking Algorithm for PMSG-Wind turbine via Linear Quadratic Regulator
Tác giả hoặc Nhóm tác giả: Dinh Chung, Phan and Thi Minh Dung, Tran
Nơi đăng: International journal of applied engineering research; Số: Vol13,No7;Từ->đến trang: 5501-5507;Năm: 2018
Lĩnh vực: Khoa học công nghệ; Loại: Bài báo khoa học; Thể loại: Quốc tế
TÓM TẮT
In this paper, a new application of extreemum-seeking (ES) algorithm for the maximum power output of a permanent magnetic synchronous generator (PMSG) wind turbine is proposed. A new control law for the machine side converter of PMSG is designed technically based on a cascade PI controller for both d-axis current and rotor speed adjustment to minimize the power loss in the stator winding of PMSG and to execute the extreemum-seeking purpose of the wind turbine respectively. Furthermore, the performance of this cascade PI controller is optimized by using Linear Quadratic Regulator (LQR). The proposed combination between a new control law and ES algorithm is evaluated by simulating a PMSG wind turbine in Matlab/Simulink. In which, the authors not only dug into the simulation results' analysis of a conventional method to express the effectiveness of the proposed one. The application of ES algorithm can be used instead of making use of exactly-known turbine knowledge since the wind turbine can track its maximum power point curve as well as the power loss in PMSG can reach the minimum.
ABSTRACT
In this paper, a new application of extreemum-seeking (ES) algorithm for the maximum power output of a permanent magnetic synchronous generator (PMSG) wind turbine is proposed. A new control law for the machine side converter of PMSG is designed technically based on a cascade PI controller for both d-axis current and rotor speed adjustment to minimize the power loss in the stator winding of PMSG and to execute the extreemum-seeking purpose of the wind turbine respectively. Furthermore, the performance of this cascade PI controller is optimized by using Linear Quadratic Regulator (LQR). The proposed combination between a new control law and ES algorithm is evaluated by simulating a PMSG wind turbine in Matlab/Simulink. In which, the authors not only dug into the simulation results' analysis of a conventional method to express the effectiveness of the proposed one. The application of ES algorithm can be used instead of making use of exactly-known turbine knowledge since the wind turbine can track its maximum power point curve as well as the power loss in PMSG can reach the minimum.
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