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This is in contrast to the case with conventional automatic voltage regulator and power system stabilizer where performance varies widely with the operating situation and can even cause system instability.
This paper presents a novel approach for precise and fast AC voltage regulation.
This paper proposes an optimal coordinated voltage control (CVC) of AC/DC systems to enhance steady-state voltage stability.
Simulation and experimental results are presented, showing that the regulator provides very good performance, which is superior to that obtained with a conventional automatic voltage regulator with power system stabilizer.
This new stabilizer system indicates better performance by changes in operating conditions and on the other hand, by setting Flexible AC Transmission System device (FACTS) this system can play a key role in limiting fluctuations.
A thyristor based AC regulator used for stator voltage control, works efficiently at this condition.
The results of simulations performed for two AC/DC power systems show that the proposed method can effectively coordinate control variables to enhance voltage stability.
This paper establishes a method for the online self-design or self-adjustment of a DC/AC converter based stabilizer in the multi-machine power system.
Proceedings ArticleDOI
S.M. Perez, J.J. Mora, G. Olguin 
01 Aug 2006
This paper presents an adaptive power system stabilizer (PSS) that together with the automatic voltage regulator (AVR) improves terminal voltage control under different perturbations of the synchronous machine.
The results demonstrated the effectiveness of the STATCOM device in stabilising the AC wind energy by insuring effective generator/load bus voltage regulation and dynamic reactive compensation.
This paper presents a new self-tuning stabilizer for enhancement of the dynamic stability in power systems.
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.
This arrangement of stabilizer possesses better robustness to the changes of power system operating conditions.
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.
This paper proposes a new power system stabilizer based on fuzzy systems.
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.
The method can be used to evaluate the effects of dc modes of operation, ac system operating conditions and VAr compensation schemes on the combined system voltage stability.
The method is shown to be simple and feasible to apply to power system stabilizer design for multimachine systems.

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