Paper Info
Title
Mitigating cascading failures in interdependent power grids and communication networks
Abstract
We study the interdependency between the power grid and the communication network used to control the grid. A communication node depends on the power grid in order to receive power for operation, and a power node depends on the communication network in order to receive control signals. We demonstrate that these dependencies can lead to cascading failures, and it is essential to consider the power flow equations for studying the behavior of such interdependent networks. We propose a two-phase control policy to mitigate the cascade of failures. In the first phase, our control policy finds the unavoidable failures that occur due to physical disconnection. In the second phase, our algorithm redistributes the power so that all the connected communication nodes have enough power for operation and no power lines overload. We perform a sensitivity analysis to evaluate the performance of our control policy, and show that our control policy achieves close to optimal yield for many scenarios. This analysis can help design robust interdependent grids and associated control policies.
Year
DOI
Venue
2014
10.1109/SmartGridComm.2014.7007653
Smart Grid Communications
Keywords
Field
DocType
load flow control,power grids,power system reliability,sensitivity analysis,cascading failures,communication network,communication node,interdependent networks,power flow equations,power grid,power node,robust interdependent grids,two-phase control policy
Interdependence,Power-flow study,Interdependent networks,Telecommunications network,Computer network,Real-time computing,Electric power transmission,Cascading failure,Power-system protection,Engineering,Grid,Distributed computing
Conference
ISSN
Citations 
PageRank 
2373-6836
16
0.90
References 
Authors
6
3
Name
Order
Citations
PageRank
Marzieh Parandehgheibi1586.25
Eytan Modiano23714314.44
David Hay318512.25