A two-stage stochastic programming model for electric substation flood mitigation prior to an imminent hurricane
arxiv(2023)
摘要
We present a stochastic programming model for informing the deployment of ad
hoc flood mitigation measures to protect electrical substations prior to an
imminent and uncertain hurricane. The first stage captures the deployment of a
fixed number of mitigation resources, and the second stage captures grid
operation in response to a contingency. The primary objective is to minimize
expected load shed. We develop methods for simulating flooding induced by
extreme rainfall and construct two geographically realistic case studies, one
based on Tropical Storm Imelda and the other on Hurricane Harvey. Applying our
model to those case studies, we investigate the effect of the mitigation budget
on the optimal objective value and solutions. Our results highlight the
sensitivity of the optimal mitigation to the budget, a consequence of those
decisions being discrete. We additionally assess the value of having better
mitigation options and the spatial features of the optimal mitigation.
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关键词
electric substation flood,imminent hurricane,two-stage
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