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In this paper, a review of the classifications of power system oscillation modes, as well as power system stabilizer (PSS) design structures, is proposed. Four major oscillation modes and their effects on power system stability have been investigated and analyzed, and the critical elements affecting each mode, frequency range, and PSS application have been summarized using important published work...
In this paper for the first time the mathematical model and the two-level method of fault-tolerant inter-domain routing in telecommunications networks was presented. The novelty of the model is its decomposed representation and formulation the inter-area interworking conditions. The implementation of these conditions guaranteed the connectivity of calculated inter-area paths. The research of the proposed...
In modern telecommunication networks very acute problem is an increasing of scalability. The most effective solution is the usage of hierarchical routing which assumes that decomposition of the network into areas. The paper proposed the method of hierarchical inter-area routing based on the goal coordination principle. The proposed method is based on flow-based model of inter-area routing. In numerical...
The presence of supplementary controllers for thyristor controlled series compensators (TCSC), to damp the Inter-area power system oscillations makes the resultant transmission line (T.L), reactance varying during the damping process. This variation causes an undesirable effect on the distance relay DR, as its setting depends on the physical impedance of the T.L. In this paper, a novel algorithm is...
The electric power system is a non-linear dynamic system, with continuous condition changes during normal operation. Therefore, it is required to have a special control strategy to cover different operating points. One of the proposed techniques to solve such problem is the use of a multiple model adaptive control (MMAC), allowing that the controller updating to represent the actual system properly...
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