621.311:681.5

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IDENTIFICATION AND CLASSIFICATION OF WEAK OVERHEAD LINES BY USING N-1 SECURITY PRINCIPLE

A.O. Stelyuk
Institute of Electrodynamics of the National Academy of Sciences of Ukraine,
Peremohy, 56, Kyiv-57, 03680, Ukraine,
e-mail: astelyuk@ied.org.ua

The paper presents an identification method of the most overloaded overhead lines (OHL) based on N-1 principle. The classification of the elements influencing OHL loading in post-fault power system operation has been proposed. The simulation results of the post-fault load flow considering different contingencies of the standard type on example of IEEE test model are shown. References 7, figures 3.
Key words: contingency, N-1 principle, overhead line, post-fault, identification.