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In this paper, the effects of Power System Stabilizer (PSS) along with an uncompensated or series compensated transmission line on turbine-generator shaft torsional oscillations are investigated. Time domain simulations and eigenvalue analysis are carried out in MATLAB and SIMULINK to study the interaction between PSS and torsional modes. A six-mass shaft is employed to accurately study the torsional...
The VSC-HVDC can enhance the performance of power systems and plays a major role in the dynamic stability of power systems. In addition VSC-HVDC controller can be utilized to mitigate torsional torque and prevent sub-synchronous resonance (SSR) effectively. In this paper a controller has been designed for VSC-HVDC to suppress sub-synchronous oscillations. The Control methodology that is employed as...
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