Large Signal and Small Signal Stability of Single Machine Infinite System using Dynamic Brake and Static Shunt Compensator
Balwinder Singh Surjan
Dr. Balwinder Singh Surjan, Department of, Electrical Engineering,  PEC University of  Technology, Chandigarh, India.
Manuscript received on September 21, 2012. | Revised Manuscript received on October 10, 2012. | Manuscript published on October 30, 2012. | PP: 243-248 | Volume-2 Issue-1, October 2012.  | Retrieval Number: A0786102112 /2012©BEIESP

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Abstract: In this paper thyristor controlled dynamic brake and static shunt compensator controllers are employed to enhance the transient and small signal stability investigation stability of power system represented through Single Machine connected to Infinite Bus (SMIB). The Phillips-Heffron representation of SMIB system is also modified for reactive power inclusion. The controllers Power System Stabilizer (PSS), Static Shunt Compensator (SSC), Thyristor Controlled Dynamic Brake (TCDB) are tuned for the minimization of performance index. The results obtained here indicate explicitly that the coordinated operation of proposed controllers is effective in improving transient as well as small signal stability of the system.