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Seismic response and reliability of ...

Song, Junho.

Seismic response and reliability of electrical substation equipment and systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Seismic response and reliability of electrical substation equipment and systems.
作者:	Song, Junho.
面頁冊數:	262 p.
附註:	Chair: Armen Der Kiureghian.
附註:	Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4722.
Contained By:	Dissertation Abstracts International65-09B.
標題:	Engineering, Civil.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3147010
ISBN:	0496053973

Seismic response and reliability of electrical substation equipment and systems.
Song, Junho.

Seismic response and reliability of electrical substation equipment and systems. - 262 p.

Chair: Armen Der Kiureghian.

Thesis (Ph.D.)--University of California, Berkeley, 2004.

An electrical substation equipment item is idealized as a single-degree-of-freedom oscillator by describing its deformation in terms of an assumed displacement shape function. The validity and accuracy of this idealization for interaction studies is examined for an example pair of connected equipment items. The hysteretic behaviors of several rigid bus connectors are described by differential equation models fitted to experimental data or to hysteresis loops predicted by detailed finite element analysis. Efficient nonlinear time history and random vibration analysis methods are developed for determining the seismic response of the connected equipment items. Based on the developed analytical models and methods, the effect of interaction in the connected equipment system is investigated through extensive parametric studies. The results lead to practical guidelines for the seismic design of interconnected electrical substation equipment. (Abstract shortened by UMI.)

ISBN: 0496053973Subjects--Topical Terms:

212394
Engineering, Civil.

Seismic response and reliability of electrical substation equipment and systems.
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245 1 0 $a Seismic response and reliability of electrical substation equipment and systems.
300 $a 262 p.
500 $a Chair: Armen Der Kiureghian.
500 $a Source: Dissertation Abstracts International, Volume: 65-09, Section: B, page: 4722.
502 $a Thesis (Ph.D.)--University of California, Berkeley, 2004.
520 # $a An electrical substation equipment item is idealized as a single-degree-of-freedom oscillator by describing its deformation in terms of an assumed displacement shape function. The validity and accuracy of this idealization for interaction studies is examined for an example pair of connected equipment items. The hysteretic behaviors of several rigid bus connectors are described by differential equation models fitted to experimental data or to hysteresis loops predicted by detailed finite element analysis. Efficient nonlinear time history and random vibration analysis methods are developed for determining the seismic response of the connected equipment items. Based on the developed analytical models and methods, the effect of interaction in the connected equipment system is investigated through extensive parametric studies. The results lead to practical guidelines for the seismic design of interconnected electrical substation equipment. (Abstract shortened by UMI.)
520 # $a Continued operation of critical lifelines after a major earthquake is essential for reduction of losses, timely delivery of emergency services, and post-earthquake recovery. An important element within the power transmission lifeline is the electrical substation, which serves to transform the power voltage for distribution in local grids. The electrical substation typically consists of a complex set of equipment items that are interconnected through either assemblies of rigid bus and flexible connectors or flexible cable conductors.
520 # $a Estimating the seismic response and reliability of an electrical substation is a challenging task because: (1) Connected equipment items cannot be analyzed individually due to the presence of dynamic interaction between them; (2) the connecting elements (either rigid-bus-flexible-connector or flexible cable conductor) behave nonlinearly; (3) the earthquake ground motion is stochastic in nature; and (4) the substation is a complex system subjected to a stochastic loading, whose reliability cannot be directly deduced from the marginal reliabilities of its components. This dissertation aims at developing analytical models and methods for assessing the seismic response of electrical substation equipment connected by assemblies of rigid bus and flexible connectors, and the reliability of electrical substation systems subjected to stochastic earthquake loading. A parallel aim is to develop practical guidelines for design of connected equipment items to reduce the adverse effect of dynamic interaction under earthquake loading. Attention is also given to developing systematic methods for identifying critical components and cut sets within the electrical substation system.
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790 1 0 $a Der Kiureghian, Armen, $e advisor
791 $a Ph.D.
792 $a 2004
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