Please use this identifier to cite or link to this item: https://doi.org/10.1109/PESGM.2012.6345297
Title: An adjustable robust optimization approach for unit commitment under outage contingencies
Authors: Xiong, P.
Jirutitijaroen, P. 
Issue Date: 2012
Source: Xiong, P.,Jirutitijaroen, P. (2012). An adjustable robust optimization approach for unit commitment under outage contingencies. IEEE Power and Energy Society General Meeting : -. ScholarBank@NUS Repository. https://doi.org/10.1109/PESGM.2012.6345297
Abstract: This paper develops a practical robust optimization method for modeling unit outage contingencies in unit commitment (UC) scheduling. The overall problem is divided into two stages. The first-stage problem determines UC decisions before the realization of uncertainty. The impact of generator failures is incorporated into the second-stage recourse problems as the outage contingencies are observed. The objective of the proposed formulation is to minimize total cost under the worst contingency over a deterministic uncertainty set, so that UC schedules with desired reliability and robustness characteristics can be obtained. Tradeoffs between reliability and economical benefit can be adjusted by applying different uncertainty set, which can be designed by conventional n-K, or a novel probabilistic αcut criterion. Such a two-stage robust optimization problem can be solved fairly efficiently by a cutting-plane algorithm. Extensive numerical simulations are conducted to demonstrate that this method enhances the reliability and robustness of UC decisions. © 2012 IEEE.
Source Title: IEEE Power and Energy Society General Meeting
URI: http://scholarbank.nus.edu.sg/handle/10635/83460
ISBN: 9781467327275
ISSN: 19449925
DOI: 10.1109/PESGM.2012.6345297
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