Seismic interaction in linearly connected electrical substation equipment

被引：0
|
作者：
Der Kiureghian, A. [1 ]
Sackman, J.L. [1 ]
Hong, K.-J. [1 ,2 ]
机构：
[1] Department of Civil and Environmental Engineering, University of California, Berkeley, CA 94720, United States
[2] Department of Civil and Environmental Engineering, University of California, Berkeley, CA 94720-1720, United States
来源：
Earthquake Engineering and Structural Dynamics | 2001年 / 30卷 / 03期
关键词：
Electric substations - Mass transfer - Structural analysis;
D O I：
10.1002/eqe.9
中图分类号：
学科分类号：
摘要：
An electrical substation consists of a complex set of equipment items that are interconnected through conductor buses or cables. If the connections are not sufficiently flexible, significant dynamic interaction may occur between the connected equipment items during a seismic excitation. This interaction is believed to be responsible for some of the observed substation equipment damage in recent earthquakes. This paper investigates the interaction between two equipment items connected by a linear spring-dashpot or spring-dashpot-mass element representing a conductor bus. It is found that the interaction between the two equipment items may significantly amplify the response of the higher-frequency equipment item. The influences of various key parameters on the interaction effect are quantified. Means for reducing the adverse interaction effect are described. Copyright © 2001 John Wiley & Sons, Ltd.
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页码：327 / 347
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