Impact Analysis of Locational Marginal Price Subject to Power System Topology Errors
- Authors
- Choi, Dae-Hyun; Xie, Le
- Issue Date
- Oct-2013
- Publisher
- IEEE
- Citation
- 2013 IEEE INTERNATIONAL CONFERENCE ON SMART GRID COMMUNICATIONS (SMARTGRIDCOMM), pp 55 - 60
- Pages
- 6
- Journal Title
- 2013 IEEE INTERNATIONAL CONFERENCE ON SMART GRID COMMUNICATIONS (SMARTGRIDCOMM)
- Start Page
- 55
- End Page
- 60
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/67757
- DOI
- 10.1109/SmartGridComm.2013.6687933
- ISSN
- 2373-6836
- Abstract
- This paper formulates and analyzes the impact of power transmission network topology error on real-time electricity market prices. We consider the scenario in which the undetected false status of circuit breakers from topology error processing may lead to wrong modeling of real-time network topology, which, in turn, misleads the results of state estimation and real-time economic dispatch. In particular, we focus on the economic impact of this circuit breaker-induced network topology error on locational marginal price (LMP). The primary goal of this paper is to derive a simple LMP sensitivity index that accounts for the relationship between the change in network topology and LMP. The proposed sensitivity index provides system operators a simple but effective screening of the impact of topology errors on real-time LMP. The validity of the derived sensitivity index is verified and illustrated with numerical examples in the IEEE-14 bus system.
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