Volume 12, Issue 1 And A (Transaction A: Civil Engineering March 2014)
IJCE 2014, 12(1 And A): 55-72 |
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Bastami M, Hajihasani M. Input waves for seismic design of power substation equipment for near and far Iranian earthquake records. IJCE 2014; 12 (1) :55-72
URL: http://ijce.iust.ac.ir/article-1-712-en.html
URL: http://ijce.iust.ac.ir/article-1-712-en.html
Abstract: (7166 Views)
Dynamic analysis of the seismic performance of power substation equipment is time-consuming, expensive and uses responses that are sensitive to ground motion. This research proposes a method to derive input waves for dynamic analysis in place of original records from seismic events in Iran. In this study, a power transformer, current transformer, circuit breaker and disconnect switch are analyzed using fifty records from the far-field and near-field earthquake ground motions. Statistical analysis is done on the maximum acceleration and displacement responses to obtain their pushover curves. Sinusoidal waves were created using the fundamental frequencies of the equipments and PGA of 0.1g through 0.5 g as the amplitude. The results are compared with the original records and show that the proposed input waves provide a reasonable fit for an extensive range of near-field and far-field ground motion results.
Keywords: Input wave, Seismic analysis, Power substation, Power transformer, Current transformer, Circuit breaker, Disconnect switch.
Type of Study: Research Paper |
Subject:
Structure-Earthquake
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