Abstract
Of many defining characteristics for a flood resilient city and its infrastructure networks, mitigating flooding impacts and recovering quickly to a pre-flood state are to be considered of high importance. With a likely increase in the frequency and intensity of future heavy precipitation and flooding events in Europe, the vulnerability of the electrical distribution network of Maxvorstadt, Munich will also increase. These facts justify the need for quantifying how the electrical distribution network would respond to flooding, and more so, how stakeholders can better prepare for such an event. For a synthetic electrical distribution network of Maxvorstadt, the timing and location of network components failure due to flooding and affected persons without power have been computed for a combination of realistic future flooding events via the Electrical Network Flood Resilience Model developed in this study. It has been learned that most buildings, and therefore their inhabitants, lose power due to the failure of a specific component, Medium Voltage—Low Voltage transformer buses, and that flood risk solutions should focus on protecting network components from inundation to ensure its functionality through flooding events. Solutions like dry proofing such components before severe flooding occurs is recommended for several neighborhoods analyzed in this study.
Highlights
In the modern world as societies grow more complex, citizens become more demanding of cities being able to deliver high-quality and sustained continuity of the services provided. Sundnes (2014) define water, energy, and communication as part of the Basic Societal Functions (BSF) to be provided to people in modern cities
This study aims to assess flood impacts on electrical distribution networks, an infrastructure system that is highly sensitive to flooding and whose recovery time, and resilience, is worsened with more severe flooding (Karagiannis et al, 2017)
The quantification of network flood resilience (NFR) is the major goal of this research and is a measure representative of how a cities electrical distribution networks (EDN) can withstand a flooding event
Summary
In the modern world as societies grow more complex, citizens become more demanding of cities being able to deliver high-quality and sustained continuity of the services provided. Sundnes (2014) define water, energy, and communication as part of the Basic Societal Functions (BSF) to be provided to people in modern cities. Sundnes (2014) define water, energy, and communication as part of the Basic Societal Functions (BSF) to be provided to people in modern cities. Like Munich for example, use infrastructure networks in order meet the BSF, through transporting fresh water, ensuring traffic flow management, and distribution of electricity, to name a few. These working civil infrastructures are central parts of modern society, playing an integral role in the vitality of social and economic well-being (Pant et al, 2018). Electrical distribution networks (EDN) are the critical urban infrastructure network of foremost consideration that will be investigated
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