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Stability Research of Switched Two-Machine Power Systems

Author: FengQuan
Tutor: ZhaoJun
School: Northeastern University
Course: Control Theory and Control Engineering
Keywords: Switching system Power system Switching dual- machine power system Stability Common Lyapunov function Robust Control Adaptive control Hybrid Systems
CLC: TM712
Type: Master's thesis
Year: 2009
Downloads: 15
Quote: 0
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Abstract


The power system is a high -dimensional , strongly nonlinear dynamic system . The latest research results of the non-linear control theory is applied to the power system , its fundamental purpose is to further improve the dynamic quality of complex power system operation , increase the stability of the system is running , as well as to improve and improve the quality and security of supply . Both the power system is essentially contains continuous dynamic and hybrid systems with discrete dynamic . Switching system as a type of hybrid systems is extremely important , due to the complexity of the power system itself , making switching system theory is applied to the power system is a difficult and have a meaningful research topic . Based on the theory of switching systems , switching power system control problem . The main work is as follows : First , the establishment of a switching model of the power system , and that switching dual power system model , as well as switchable dual power system model with uncertain parameters ; then switching system for switching the two - machine power system model , common Lyapunov function method , has been switched to the two - machine power system asymptotically stable under arbitrary switching results . Compared to the literature results prove that the process easier controller design has also been simplified . The simulation results prove the validity of the conclusions . Next, for with parameter uncertainties switch dual power system model , robust control problems . Common Lyapunov function method , application switching systems were designed to switch subsystem controller and parameter adaptive law , the uncertain switched two - machine power system asymptotically stable under arbitrary switching . And verified by simulation . Finally , there is the full text of the conclusions and the outlook for further work places .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Theory and Analysis > Power system stabilizer
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