Seismic risk assessment of spatially distributed electric power systems

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dc.contributor.authorPoulos Campbell, Alan John
dc.contributor.authorEspinoza, Sebastián Andrés
dc.contributor.authorLlera Martin, Juan Carlos de la
dc.contributor.authorRudnick van de Wyngard, Hugh
dc.date.accessioned2023-01-16T16:18:12Z
dc.date.available2023-01-16T16:18:12Z
dc.date.issued2017
dc.description.abstractThe adequate performance of critical infrastructure such as transportation, telecommunications, healthcare, and electric power systems are essential to the resilience of communities after major earthquakes. However, assessing the seismic risk of networks is more complex than for individual structures since the performance of systems depend on several spatially distributed intensity measures and the interdependence amongst the system’s components. A convenient and probabilistically consistent way of performing the assessment is by the use of a stochastically-generated earthquake catalogue. This paper computes the seismic risk of electric power systems and its methodology can be summarized in three steps: (i) sample hazard-consistent seismic scenarios; (ii) compute the overall performance of the system for each scenario; and (iii) estimate the seismic risk from the performances of all earthquake scenarios. The resulting risk is represented by the commonly used expected annual service loss of the system, but also by the complete probability distribution of accumulated deficit of electric service. The methodology is applied to the electric network in north Chile, and is used to estimate the Energy Not Supplied (ENS) and the Energy Index of Unreliability (EIU) due to seismic events. Finally, an evaluation of the effect that different sampling methods have on the expected values and uncertainty of results is presented.
dc.fechaingreso.objetodigital2023-01-16
dc.format.extent11 páginas
dc.fuente.origenSIPA
dc.identifier.urihttps://www.wcee.nicee.org/wcee/article/16WCEE/WCEE2017-3825.pdf
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/66341
dc.information.autorucEscuela de ingeniería ; Poulos Campbell, Alan John ; 0000-0001-8654-1024 ; 177702
dc.information.autorucEscuela de ingeniería ; Espinoza, Sebastián Andrés ; S/I ; 185303
dc.information.autorucEscuela de ingeniería ; Llera Martin, Juan Carlos de la ; 0000-0002-9064-0938 ; 53086
dc.information.autorucEscuela de ingeniería ; Rudnick van de Wyngard, Hugh ; 0000-0002-5424-7784 ; 99167
dc.language.isoen
dc.nota.accesoContenido completo
dc.publisherNational Information Centre of Earthquake Engineering
dc.relation.ispartofWorld Conference on Earthquake Engineering (16° : 2017 : Santiago, Chile)
dc.rightsacceso abierto
dc.subjectSeismic risk
dc.subjectDistributed infrastructure systems
dc.subjectNetworks
dc.subjectElectric power systems
dc.subjectFragility curves
dc.titleSeismic risk assessment of spatially distributed electric power systems
dc.typecomunicación de congreso
sipa.codpersvinculados177702
sipa.codpersvinculados185303
sipa.codpersvinculados53086
sipa.codpersvinculados99167
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