Abstract
Monitoring an electrical network is an important and challenging task. Phasor measurement units are measurement devices that can be used for a state estimation of this network. In this paper we consider a PMU placement problem without conventional measurements and with zero injection nodes for a full observability of the network. We propose two new approaches to model this problem, which take into account a propagation rule based on Ohm’s and Kirchoff’s law. The natural binary linear programming description models an iterative observability process. We remove the iteration by reformulating its fixed point conditions to a bilevel program, which we then further reformulate to a single-level mixed-integer linear program. We also present a bilevel algorithm to solve directly the proposed bilevel model. We implemented and tested our models and algorithm: the results show that the bilevel algorithm is better in terms of running time and size of instances which can be solved.
| Original language | English |
|---|---|
| Title of host publication | Combinatorial Optimization and Applications - 9th International Conference, COCOA 2015, Proceedings |
| Editors | Donghyun Kim, Weili Wu, Ding-Zhu Du, Zaixin Lu, Wei Li |
| Publisher | Springer Verlag |
| Pages | 364-376 |
| Number of pages | 13 |
| ISBN (Print) | 9783319266251 |
| DOIs | |
| Publication status | Published - 1 Jan 2015 |
| Event | 9th International Conference on Combinatorial Optimization and Applications, COCOA 2015 - Houston, United States Duration: 18 Dec 2015 → 20 Dec 2015 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 9486 |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 9th International Conference on Combinatorial Optimization and Applications, COCOA 2015 |
|---|---|
| Country/Territory | United States |
| City | Houston |
| Period | 18/12/15 → 20/12/15 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Bilevel program
- Mixed integer linear program
- Monitoring electrical network
- PMU placement problem
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