Performance Evaluation of Power System Stabilizer for Transient Stability of a Power System

Performance Evaluation of Power System Stabilizer for Transient Stability of a Power System
Author(s):
Sachin Vrajlal Rajani, Alpesh S Adeshara, Vivek J Pandya, Varsha A Shah
Keywords:
PSS, Transient Stability, Rotor Angle Difference, Speed of Machine, L-G Fault
Abstract
With the growing demand of electrical power, the power system as a whole is becoming huge and therefore disturbance factors are also large in numbers. The main aim of the designer is to keep system in the best possible (healthy) conditions in and after the disturbance. Power System Stabilizers (PSS) is a control unit that counteract rotor angle variation and speed variation at the time of disturbance in the system and thus improving the transient stability of the system. This paper presents an operation of PSS at the time of single line to ground (L-G) fault. A test bench is created in Matlab/Simulink® to observe performance of PSS. The simulations presented here shows the working of PSS at the time of fault and it is found satisfactorily to mitigate rotor angle and speed variations at the time of disturbance with PSS which otherwise (without PSS) would have become unstable.
Article Details
Unique Paper ID: 157767 Publication Volume & Issue: Volume 9, Issue 8 Page(s): 1 - 5
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