Journal
IEEE OPEN ACCESS JOURNAL OF POWER AND ENERGY
Volume 9, Issue -, Pages 298-307Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/OAJPE.2022.3191954
Keywords
Geographic information systems; power system planning; power system restoration; power transmission; resilience
Funding
- U.S. Department of Energy's Office of Electricity
- Federal Emergency Management Agency
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Limited access to transmission lines after a major contingency event can hinder restoration efforts. This paper proposes a methodology that utilizes GIS data and graph theory analysis to assess infrastructure and identify hard-to-reach areas due to natural risks or distance to roads.
Limited access to transmission lines after a major contingency event can inhibit restoration efforts. After Hurricane Maria, for example, flooding and landslides damaged roads and thus limited travel. Transmission lines are also often situated far from maintained roadways, further limiting the ability to access and repair them. Therefore, this paper proposes a methodology for assessing Puerto Rico's infrastructure (i.e., roads and transmission lines) to identify potentially hard to reach areas due to natural risks or distance to roads. The approach uses geographic information system (GIS) data to define vulnerable areas, that may experience excessive restoration times. The methodology also uses graph theory analysis to find transmission lines with high centrality (or importance). Comparison of these important transmission lines with the vulnerability results found that many reside near roads that are at risk for landslides or floods.
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