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Estimating Hurricane Outage and Damage Risk in Power Distribution System

机译:估计配电系统中的飓风中断和损坏风险

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摘要

Hurricanes have caused severe damage to the electric power system throughoutthe Gulf coast region of the U.S., and electric power is critical to post-hurricane disasterresponse as well as to long-term recovery for impacted areas. Managing hurricane risksand properly preparing for post-storm recovery efforts requires rigorous methods forestimating the number and location of power outages, customers without power, anddamage to power distribution systems. This dissertation presents a statistical poweroutage prediction model, a statistical model for predicting the number of customerswithout power, statistical damage estimation models, and a physical damage estimationmodel for the gulf coast region of the U.S. The statistical models use negative binomialgeneralized additive regression models as well as negative binomial generalized linearregression models for estimating the number of power outages, customers without power,damaged poles and damaged transformers in each area of a utility company?s servicearea. The statistical models developed based on transformed data replace hurricaneindicator variables, dummy variables, with physically measurable variables, enablingfuture predictions to be based on only well-understood characteristics of hurricanes. Thephysical damage estimation model provides reliable predictions of the number ofdamaged poles for future hurricanes by integrating fragility curves based on structural reliability analysis with observed data through a Bayesian approach. The models weredeveloped using data about power outages during nine hurricanes in three states servedby a large, investor-owned utility company in the Gulf Coast region.
机译:飓风已严重破坏了美国整个墨西哥湾沿岸地区的电力系统,电力对于飓风后的灾害响应以及受灾地区的长期恢复至关重要。要管理飓风风险并为风暴后的恢复工作做好充分的准备,就需要采取严格的方法来确定停电的数量和位置,无电客户以及配电系统的损坏。本文提出了一个统计断电预测模型,一个用于预测无电客户数量的统计模型,统计破坏估计模型以及一个针对美国墨西哥湾沿岸地区的物理破坏估计模型。该统计模型使用负二项式广义累加回归模型以及负二项式广义线性回归模型,用于估计公用事业公司服务区每个区域的停电次数,无电客户,极点损坏和变压器损坏。基于转换后的数据开发的统计模型将飓风指标变量,虚拟变量替换为可物理测量的变量,从而使未来的预测只能基于已充分理解的飓风特征。物理损伤估计模型通过基于结构可靠性分析的易损性曲线与贝叶斯方法的观测数据相结合,为未来飓风提供了可靠的破损极数预测。这些模型是使用有关三个州的九次飓风期间停电的数据开发的,该飓风由墨西哥湾沿岸地区的一家大型投资者所有的公用事业公司提供服务。

著录项

  • 作者

    Han Seung Ryong;

  • 作者单位
  • 年度 2009
  • 总页数
  • 原文格式 PDF
  • 正文语种 en_US
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