Abstract
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.
Highlights
This study presents the control strategy of a Static Var Compensator (SVC) transfer without building new transmission line
Control strategy: The control strategy of the SVC in a single machine infinite bus system is determined from the pole-placement design method
The u is the input control strategy of SVC given by Eqn 12: E′∠δ =1.23∠45, Vb=1.0, X′d =0.3, Xt=0.1, XL1=XL2=0.5, XL3=XL4=1, H=6, f=50 Hz, D=0.1; It is considered that a three-phase self clearing fault appears at line 1 near bus m and it is cleared at 140 msec
Summary
This study presents the control strategy of a SVC transfer without building new transmission line. With for improving power system dynamic performance. The the increased loading in modern power system, power concept of optimal control is applied to derive control system is getting risk. The control strategy is applied to a SVC. American in 2003 challenges power engineering to find placed in a power system to investigate the the new method for enhancing dynamic performance of improvement of the power system dynamic power system. For power flow control in steady state and dynamic state. The dynamics of the machine, in classical model, can be expressed by the following differential Eqn 1-3: Synchronous Series Compensator (SSSC), Unified Power Flow Controller (UPFC) and Inter-line Power δ = ω (1). Important role for effective improvement of dynamic performance of a power system.
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