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Security issues related to power grid networks have attracted the attention of researchers in many fields. Recently, a new network model that combines complex network theories with power flow models was proposed. This model, referred to as the extended model, is suitable for investigating vulnerabilities in power grid networks. In this paper, we study cascading failures of power grids under the extended...
Security issues in complex systems such as power grid, communication network, Internet, among others have attracted wide attention from academic, government and industry. In this paper, we investigate the vulnerabilities of power grid under a topology-based network model in the context of cascading failures caused by physical attacks against substations and transmission lines. In particular, we develop...
The power grid networks are vulnerable to various attacks which may lead to cascading failures. Severe cascading failures can cause large scale power outage and preventing them is believed to be one of the greatest challenges in power grid systems. In this paper, we study cascading failures using the Bay Area power grid data. We adopt two topology based models, which describe the definition of load...
The development of an intelligent electric grid of future, a smart grid, has attracted significant amount of attention recently from academia, industry, and government as well. Among many efforts toward this objective, computational intelligence research could provide important technical support to help the society to accomplish this goal. In this paper, I present a high level discussion on the vision...
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