Performance of Electric Utility Lifelines in Urban Centers for Earthquake Hazards

摘要CMS0099638“城市中心电力设施生命线的地震灾害性能”项目负责人：Dorothy Reed，华盛顿大学。由于放松管制，美国的公用事业基础设施系统正在发生重大变化。最近，以前认为轻微的自然灾害引起的结构部件故障造成了大范围的停电。由于自然和人为原因造成的短缺对太平洋西北地区的影响尤为严重，因为遵守环境标准对发电造成了限制。很明显，美国在电力基础设施可靠性方面缺乏统一的方法。这样的框架在确定系统组件的重要性并最终提供改进性能的指导方针方面是有价值的。我们建议开发一个基于可靠性的框架，以评估电力公用事业配电系统在地震灾害中的电力输送性能。配电系统被定义为包括配电线路、电线杆、电线杆设备和变电站等组成部分。我们的框架将侧重于用于输送电力的结构系统的性能及其与其他关键生命线的相互作用。我们的方法将大大扩展由日本岐阜大学的Nojima开发的三管齐下的模型，在这个模型中，组件、系统和社会绩效指标被混合到一个单一的标准中。从神户地震和Nisqually地震中吸取的宝贵经验教训也将纳入我们的调查。这项调查将需要在目前美国社会经济、监管和政治气候的背景下制定拟议的绩效水平。我们项目的一个主要贡献将是明确地包括并最终澄清法规的非技术限制的作用，并在这样做时，隐含地评估政治气候对美国地区绩效水平发展的有条件影响。尽管我们将专注于美国境内的一个特定地区（太平洋西北部），但将我们的方法应用于美国其他地区应该是直截了当的。

Proposal: CMS-0099638PI: Dorothy ReedInstitution: University of WashingtonDate: May 22, 2001ABSTRACT CMS0099638 "Performance of Electric Utility Lifelines in Urban Centers for Earthquake Hazards" PI: Dorothy Reed, University of Washington. The utility infrastructure system in the US is undergoing significant changes due to deregulation. Recently, structural component failures induced by natural hazards previously considered minor have caused widespread blackouts. The effects of shortages due to natural and man-made causes has been particularly critical for the Pacific Northwest, as compliance with environmental standards places constraints on the generation of power. It has become clear that the US lacks a cohesive approach to electric utility infrastructure reliability. Such a framework would be valuable in identifying the importance of system components and ultimately provide guidelines for improved performance. We propose to develop a reliability-based framework for the performance assessment of power delivery by an electric utility distribution system for earthquake hazards. The distribution system is defined to include components such as the distribution lines, poles, pole-based equipment and substations. Our framework will be focused on the performance of the structural system used to deliver power and its interactions with other critical lifelines. Our approach will significantly expand the three-pronged model developed by Nojima of Gifu University in Japan in which component, system and societal performance measures are blended into a single standard. The valuable lessons learned through the Hyogoken-Nanbu (Kobe) and Nisqually earthquakes will also be incorporated into our investigation. This investigation will require the formulation of proposed performance levels in the context of the present US socio-economic, regulatory and political climate. A major contribution of our project will be to explicitly include, and ultimately clarify, the role of the non-technical constraints of regulations, and in so doing, implicitly evaluate the conditional influence of the political climate upon the development of levels of performance for a US location. Although we will focus on a specific locale within the US [the Pacific Northwest], the adaptation of our approach to other locations in the US should be straightforward.