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http://dx.doi.org/10.5000/EESK.2014.18.1.019

Seismic Fragility Analysis of Lightning Arrester Considering Various Damage States  

Shin, Yooseong (Smart Load Rating Team, Korea Expressway Corporation)
Song, Jong-Keol (Department of Civil Engineering, Kangwon National University)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.18, no.1, 2014 , pp. 19-28 More about this Journal
Abstract
The seismic evaluation of electric power facilities in the switchyard of nuclear power plants is currently insufficient. In order to evaluate the seismic performance of lightning arrester subjected to four types of earthquake (near- and far-fault earthquakes, NEHRP Site Class A&B and D earthquakes), seismic fragility analysis using maximum likelihood estimation is performed considering various damage states. The comparison of the seismic fragility curves for three main parts of lightning arrester that are the busing, anchor and steel frame, reveals that the failure of lightning arrester is governed by the bushing damage mode such as porcelain cracking.
Keywords
Seismic fragility analysis; Electric power facilities; lightning arrester; Damage state;
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Times Cited By KSCI : 1  (Citation Analysis)
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