Abstract
The present research focuses on transient stability of multi-machine power systems in a full consideration regarding the performances of the Takagi–Sugeno fuzzy-based sliding mode control approach in association with the conventional sliding mode and also the optimal control approaches to improve the last finding outcomes in this area. Hereinafter, concerning the robustness of the sliding mode control approach toward parametric uncertainties and environment perturbations, in fact, a couple of different sliding mode control approaches are designed for mutual comparison, after a number of state-of-the-art technique considerations. To increase the control performance, the Takagi–Sugeno fuzzy-based approach is devised to provide the appropriate coefficients. Finally, the three control approaches are all carried out in the six-machine power system under the same condition and the investigated results are correspondingly provided to be analyzed. The results indicate that the proposed fuzzy-based control approach is well behaved with respect to other related ones.
Highlights
Keywords Transient stability · Six-machine power system · Takagi–Sugeno fuzzy-based sliding mode control approach · Optimal control approachTransient stability is a concept to be considered for the purpose of measuring the performance of synchronous machines, which has the highest importance for longdistance grids
From a physical point of view, transient stability can be defined as the ability of a system to remain with synchronous outcomes during the occurrence of large perturbations
The stability is addressed as the property of a power system that enables it to maintain a stable equilibrium and return to an acceptable state, when faced with large perturbation for normal performance situations
Summary
Keywords Transient stability · Six-machine power system · Takagi–Sugeno fuzzy-based sliding mode control approach · Optimal control approach. Transient stability is a concept to be considered for the purpose of measuring the performance of synchronous machines, which has the highest importance for longdistance grids. From a physical point of view, transient stability can be defined as the ability of a system to remain with synchronous outcomes during the occurrence of large perturbations. A large number of investigations are dedicated to the types of stability of the power systems, where some of them have directly focused on the transient stability, in-depth. With this goal, a set of potential related works in this area are listed
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