Sub-synchronous Oscillation Control of the DFIG System with SVG Based on Feedback Linearization of RSC. Issue 1 (1st February 2023)

• Record Type: Journal Article
• Authors: Xue, Jingwei; Lin, Yi; Tang, Yuchen; Wei, Xin; Wang, Yongjie; Tang, Haohuan; Xue, Ancheng
• Is Part Of: Journal of physics. Volume 2433 Issue 1(2023)
• Publication Date: 2023-02-01
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/2433/1/012001
• Languages: English
• ISSNs: 1742-6588

Abstract

Abstract: To suppress the subsynchronous oscillation in the doubly-fed induction generator (DFIG) system with Static VAR Generator (SVG), a feedback linearization control (FLC) method for rotor-side converter (RSC) is proposed, and its oscillation effect under small disturbances is analyzed and verified. Firstly, a 22-order time-domain model of a DFIG system with SVG is established. Secondly, combined with the principle of feedback linearization, the corresponding control method is designed for RSC inner loop control. Thirdly, the effects of PI control and feedback linearization control FLC on the system stability are compared when different parameters change under small disturbance. The results show the effectiveness of the proposed controller.