Phasor measurement unit placement for identifying power line outages in wide-area transmission system monitoring

Hao Zhu, Yiyu Shi

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

Abstract

Phasor measurement units (PMUs) are widely recognized to be instrumental for enhancing the power system situational awareness - a key step toward the future power grid. With limited PMU resources and high installation costs, it is of great importance to develop strategic PMU deployment methods. This paper focuses on optimally selecting PMU locations for monitoring transmission line status across the wide-area grid. To bypass the combinatorial search involved, a linear programming reformulation is first developed to provide an upper bound estimate for the global optimum. Furthermore, a greedy heuristic method is adopted with the complexity only linearly in the number of PMUs, while leveraging on the upper bound estimate a branch-and-bound algorithm is also developed to achieve a near-optimal performance at a reduced complexity. Numerical tests on various IEEE test cases demonstrate the validity of our proposed methods, greatly advocating the satisfactory performance the simple greedy method at only linear complexity. This suggests a hybrid method by using the greedy solution as a warm start to reduce the number of BB iterations.

Original languageEnglish (US)
Title of host publicationProceedings of the 47th Annual Hawaii International Conference on System Sciences, HICSS 2014
PublisherIEEE Computer Society
Pages2483-2492
Number of pages10
ISBN (Print)9781479925049
DOIs
StatePublished - Jan 1 2014
Event47th Hawaii International Conference on System Sciences, HICSS 2014 - Waikoloa, HI, United States
Duration: Jan 6 2014Jan 9 2014

Publication series

NameProceedings of the Annual Hawaii International Conference on System Sciences
ISSN (Print)1530-1605

Other

Other47th Hawaii International Conference on System Sciences, HICSS 2014
CountryUnited States
CityWaikoloa, HI
Period1/6/141/9/14

ASJC Scopus subject areas

  • Engineering(all)

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    Zhu, H., & Shi, Y. (2014). Phasor measurement unit placement for identifying power line outages in wide-area transmission system monitoring. In Proceedings of the 47th Annual Hawaii International Conference on System Sciences, HICSS 2014 (pp. 2483-2492). [6758910] (Proceedings of the Annual Hawaii International Conference on System Sciences). IEEE Computer Society. https://doi.org/10.1109/HICSS.2014.311