Abstract
In this paper the Small Signal Stability (SSS) of Synchronous Generator (SG) - SVC system is investigated in Single Machine-Infinite Bus environment. The SVC has very important role to compensate reactive power fast and also for damping out power system oscillations and It has damping control loop as well as standard voltage control loop. In this paper there are three Models of Synchronous Generator (SG) has been studied which are SG-1 which has damper winding in both d-axis & q-axis, SG-2 which has damper winding in q-axis only and SG-3 which has no damper winding. These three SG models with SVC system are examined and obtained suitable SG model based on high degree of reliability and minimum computational time requirement by using comprehensive transfer-function (TF) block-diagram model (BDM) of a synchronous generator-SVC system. This transfer function is analyzed by Bode Plot for different variables. The validation of proposed method is done by MATLAB-Simulink Software.
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