Novel Non-linear Control of DFIG and SSSC for Stability Increment of Power System
Publish place: International Journal of Industrial Electronics, Control and Optimization، Vol: 7، Issue: 1
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IECO-7-1_001
تاریخ نمایه سازی: 20 فروردین 1403
Abstract:
This study examines stability improvement of the power system which includes Double Feed Induction Generators (DFIGs) and Static Series Synchronous Compensator (SSSC). The proposed nonlinear controller is designed based on the terminal sliding mode control theory. A sliding mode observer is also developed to remove the need to access the information of all the state variables. The final closed-loop of the power system modeling is robust against parameter variations and uncertainties. The limitations of the control signals in the process of controller design are also considered. The application of such a method increases the stability margins and results in higher robustness degrees. A comparison with other nonlinear approaches such as back-stepping and feedback linearization approaches is carried out. The results show the faster and more reliable convergence rate of the power system-controlled trajectories to reach back to the equilibrium point after occurring a sudden fault. The results are obtained by performing a simulation on the standard ۳۹-Bus, ۱۰ machines NEW ENGLAND power system.
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Authors
Saeed Abazari
Faculty of Engineering, University of shahrekord, shahrekord, Iran
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