Analysis and Control of Wind Power Grid Integration Based on a Permanent Magnet Synchronous Generator Using a Fuzzy Logic System with Linear Extended State Observer

Youjie Ma, Long Tao, Xuesong Zhou, Wei Li and Xueqi Shi
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Youjie Ma: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Long Tao: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Xuesong Zhou: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Wei Li: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Xueqi Shi: School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China

Energies, 2019, vol. 12, issue 15, 1-19

Abstract: Recently, wind energy conversion systems (WECSs) have attracted attention due to their effective application in renewable energy sources. It is a complex system with multi-variables, strong coupling, non-linearity, and variable parameters; however, traditional control systems are inadequate in answering the demands of complex systems. In order to solve the complexity and improve the transient stability during grid faults and power fluctuations, this paper proposes a fuzzy logic system with the linear extended state observer (FLS-LESO) applied to WECSs based on a permanent magnet synchronous generator (PMSG). The FLS-LESO consists of a fuzzy logic controller, a conventional PD controller, and the linear extended state observer (LESO). This paper analyzes the mathematical model of a wind power system and combines it with LESO to improve the estimation accuracy of the observer and further improve the control performance. In the simulation study, the control performance of the FLS-LESO was also tested under various operating conditions using the MATLAB/Simulink simulation platform to verify the correctness and effectiveness of the control system.

Keywords: wind energy conversion system; grid faults; power fluctuations; transient stability; fuzzy logic system; linear extended state observer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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