Feasibility of different corrective control options for the improvement of transient stability

Corrective control actions for Transient Stability Improvement (TSI) could offer a solution to possible problems arising in modern stressed power networks operating under higher level of uncertainty. A comparative analysis of the most widely used corrective TSI methods is presented in this paper. The impact of the different Corrective Measures (CMs) on transient stability is investigated for different size of equipment, by calculating the additional time that the system is capable of withstanding severe disturbances at different locations. A comparison between different CMs is also performed, to identify the conditions under which each measure is most effective and therefore guide the design of stabilization strategies for large power systems. The work in this paper contributes specifically to the decentralized real-time stabilization of power systems.

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