Robust Subsynchronous Damping Control of PMSG-Based Wind Farm

Yun Wang (), Fengyun Luo, Chaoyang Long, Guoqing Tao, Ying Xu and Rong Yang ()
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Yun Wang: Guangdong Key Laboratory of Electromagnetic Control and Intelligent Robots, Shenzhen University, Shenzhen 518060, China
Fengyun Luo: Guangdong Key Laboratory of Electromagnetic Control and Intelligent Robots, Shenzhen University, Shenzhen 518060, China
Chaoyang Long: Guangdong Key Laboratory of Electromagnetic Control and Intelligent Robots, Shenzhen University, Shenzhen 518060, China
Guoqing Tao: College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
Ying Xu: College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China
Rong Yang: College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518060, China

Energies, 2023, vol. 16, issue 7, 1-22

Abstract: This paper provides an H ∞ robust control strategy for a permanent magnet synchronous generator (PMSG)-based wind farm to realize subsynchronous resonance suppression (SSR) subject to uncertain system distortions and parameter perturbation. Firstly, an eighth-order state space mathematical model of a PMSG-based wind farm is established, including the grid-side converter (GSC), GSC controller, and phase-locked loop (PLL) model. Secondly, the SSR characteristics of a PMSG-based wind farm are analyzed through eigenvalue analysis. Thirdly, a robust subsynchronous damping controller is designed based on eigenvalue analysis of SSR. Finally, the designed robust subsynchronous damping controller is validated with case studies of wind farms. The results show that the controller can increase the stability of PMSG-based wind farm systems and restrain SSR.

Keywords: damping control; eigenvalue analysis; permanent magnet synchronous generator; subsynchronous resonance; wind farm (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: 2023
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