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http://dx.doi.org/10.5000/EESK.2006.10.3.013

Seismic Reliability Assessment of the Korean 345 kV Electric Power Network considering Parallel Operation of Transformers  

Park, Won-Suk (서울대학교 교량설계핵심기술연구단)
Park, Young-Jun (육군사관학교 토목공학과)
Cho, Ho-Hyun (서울대학교 지구환경시스템공학부)
Koh, Hyun-Moo (서울대학교 지구환경시스템공학부)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.10, no.3, 2006 , pp. 13-20 More about this Journal
Abstract
Substations in electric power transmission network systems (EPTS) operate using several transformers in parallel to increase the efficiency in terms of stability of energy supply. We present a seismic reliability assessment method of EPTS considering the parallel operation of transformers. Two methods for damage state model are compared in this paper: bi-state and multi-damage model. Simulation results showed that both models yielded similar network reliability indices and the reliability indices of the demand nodes using hi-state model exhibited higher damage probability. Particularly, the corresponding EENS (Expected Energy Not Supplied) index was significantly larger than that of the multi-damage state.
Keywords
seismic reliability; electric power transmission system; multi-damage state; seismic fragility; Monte-Carlo method;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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