Optimal Control Design of Static Var Compensator for Damping Power System Oscillation
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Copyright: © 2020 Prechanon Kumkratug. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Problem statement: The disturbance in power system is unavoidable situation. It causes in power system oscillation. Approach: This study applied the Static Var Compensator (SVC) to damp power system oscillation. The optimal control design is applied to derive the control strategy of SVC. The simulation results are tested on a Single Machine Infinite bus. The proposed method is equipped in sample system with disturbance. The generator rotor angle curve of the system without and with a SVC is plotted and compared. Results: It was found that the system without a SVC has high variation whereas that of the system with a SVC has much smaller variation. Conclusion: From the simulation results, the SVC can damp power system oscillation.
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- Power system oscillation
- static var compensator
- static synchronous compensator
- static synchronous series compensator
- unified power flow controller
- inter-line power flow controller
- control strategy
- optimal control