Controlled link shedding for maximizing supportable demand of a disrupted power network

Himaja Kesavareddigari, Atilla Eryilmaz, R. Srikant

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is well-known that power networks are prone to cascading failures in the event of a network disruption. A traditional way to prevent such cascading failures is to shed some of the supportable demand from the network. Interestingly, due to the non-local nature of power flow distributions, further deliberate disconnection of lines in a disrupted power network can result in improvements in its supportable demand, the phenomenon resembling Braess' paradox. In this paper, we exploit this phenomenon to formulate a multi-stage control scheme using: a fast timescale, linear Network Stabilization Problem based on demand shedding; and a slow timescale, combinatorial Demand Maximization Problem based on link shedding. We provide a key example illustrating the paradox and some structural results demonstrating the limitations and potential of our control scheme. Using Simulated Annealing to tackle the large combinatorial problem, we also investigate the efficacy of our approach for the Polish power grid (which consists of 2383 buses and 2896 lines).

Original languageEnglish (US)
Title of host publication2016 IEEE 55th Conference on Decision and Control, CDC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages6972-6977
Number of pages6
ISBN (Electronic)9781509018376
DOIs
StatePublished - Dec 27 2016
Event55th IEEE Conference on Decision and Control, CDC 2016 - Las Vegas, United States
Duration: Dec 12 2016Dec 14 2016

Publication series

Name2016 IEEE 55th Conference on Decision and Control, CDC 2016

Other

Other55th IEEE Conference on Decision and Control, CDC 2016
CountryUnited States
CityLas Vegas
Period12/12/1612/14/16

ASJC Scopus subject areas

  • Artificial Intelligence
  • Decision Sciences (miscellaneous)
  • Control and Optimization

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  • Cite this

    Kesavareddigari, H., Eryilmaz, A., & Srikant, R. (2016). Controlled link shedding for maximizing supportable demand of a disrupted power network. In 2016 IEEE 55th Conference on Decision and Control, CDC 2016 (pp. 6972-6977). [7799343] (2016 IEEE 55th Conference on Decision and Control, CDC 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CDC.2016.7799343