smartgrid

Vulnerability analysis of power systems based on cyber-attack and defense models
Reliable operation of power systems is a primary challenge for the system operators. With the advancement in technology and grid …
Saqib Hasan, Amin Ghafouri, Abhishek Dubey, Gabor Karsai, Xenofon D. Koutsoukos
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Heuristics-based approach for identifying critical N-k contingencies in power systems
Reliable operation of electrical power systems in the presence of multiple critical N - k contingencies is an important challenge for …
S. Hasan, A. Ghafouri, Abhishek Dubey, G. Karsai, X. Koutsoukos
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Implementation of a distributed microgrid controller on the Resilient Information Architecture Platform for Smart Systems (RIAPS)
Formation of microgrids have been proposed as a solution to improve grid reliability, and enable smoother integration of renewables …
Y. Du, H. Tu, S. Lukic, D. Lubkeman, Abhishek Dubey, G. Karsai
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A modeling framework to integrate exogenous tools for identifying critical components in power systems
Cascading failures in electrical power systems are one of the major causes of concern for the modem society as it results in huge …
S. Hasan, Abhishek Dubey, A. Chhokra, N. Mahadevan, G. Karsai, X. Koutsoukos
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A simulation testbed for cascade analysis
Electrical power systems are heavily instrumented with protection assemblies (relays and breakers) that detect anomalies and arrest …
Saqib Hasan, Ajay Chhokra, Abhishek Dubey, Nagabhushan Mahadevan, Gabor Karsai, Rishabh Jain, Srdjan Lukic
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A Systematic Approach of Identifying Optimal Load Control Actions for Arresting Cascading Failures in Power Systems
Cascading outages in power networks cause blackouts which lead to huge economic and social consequences. The traditional form of load …
Ajay Chhokra, Amogh Kulkarni, Saqib Hasan, Abhishek Dubey, Nagabhushan Mahadevan, Gabor Karsai
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Diagnostics and prognostics using temporal causal models for cyber physical energy systems
Reliable operation of cyber-physical systems such as power transmission and distribution systems is crtiical for the seamless …
Ajay Chhokra, Saqib Hasan, Abhishek Dubey, Nagabhushan Mahadevan, Gabor Karsai
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Poster Abstract: Distributed Reasoning for Diagnosing Cascading Outages in Cyber Physical Energy Systems
The power grid incorporates a number of protection elements such as distance relays that detect faults and prevent the propagation of …
Ajay Chhokra, Abhishek Dubey, Nagabhushan Mahadevan, Gabor Karsai
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The Role of Context and Resilient Middleware in Next Generation Smart Grids
The emerging trends of volatile distributed energy resources and micro-grids are putting pressure on electrical power system …
Abhishek Dubey, Subhav Pradhan, Douglas C. Schmidt, Sebnem Rusitschka, Monika Sturm
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An improved distance relay model with directional element, and memory polarization for TCD based fault propagation studies
Modern Power Systems have evolved into a very complex network of multiple sources, lines, breakers, loads and others. The performance …
R. Jain, S. M. Lukic, A. Chhokra, N. Mahadevan, Abhishek Dubey, G. Karsai
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