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This paper proposes an optimal coordinated voltage control (CVC) of AC/DC systems to enhance steady-state voltage stability.
The experimental results show better performance of the excitation system with the proposed stabilizer compared to the system with a conventional PI voltage controller and PSS2A stabilizer.
Thyristor-based onload tap-changing AC voltage stabilizers are cheap and robust.
Results of the experimental studies show that the proposed adaptive stabilizer outperforms the conventional stabilizer.
The efficiency of the best new voltage stabilizer presented in this paper will exceed the ones previously published significantly.
The superior performance of this stabilizer in comparison to the conventional fixed gain stabilizer proves the efficacy of this new approach.
It is found that the proposed PID stabilizer outperforms the traditional power system stabilizer currently used by most power plants.<<ETX>>
The model allows for a choice of appropriate voltage stabilizers based on theoretical calculations only and can help to facilitate any experimental study for choosing appropriate voltage stabilizer additives.
The ac power stabilizer proposed here has a simple construction and high performance.
Voltage instability following disturbances under very weak AC-system conditions can also be avoided.